Service & Technical Reference Manual · ACTIMETRY UART (U1) ... well as for follow-up and diagnostic assessment. The device may be used in a sleep lab or clinical setting by ... one

Alice® PDxTM

Service & Technical Reference Manual

© 2009 Koninklijke Philips Electronics N.V.

PAGE I1054417, VER. 01

Alice® PDxTM Service & Technical Reference Manual

LIMITED WARRANTYRespironics, Inc. warrants that the Alice PDx device shall be free from defects of workmanship and materialsand will perform in accordance with the product specifications for a period of two years from the date of sale byRespironics, Inc. to the customer. If the product fails to perform in accordance with the product specifications,Respironics, Inc. will pay customary freight charges from Respironics, Inc. to the customer location only. Thiswarranty does not cover damage caused by accident, misuse, abuse, alteration and other defects not relatedto material or workmanship.

Respironics, Inc. disclaims all liability for economic loss, loss of profits, overhead or consequential damageswhich may be claimed to arise from any sale or use of this product. Some states do not allow the exclusion orlimitation of incident or consequential damages, so the above limitation or exclusion may not apply to you.

This warranty is given in lieu of all other express warranties. In addition, any implied warranties—including anywarranty of merchantability or fitness for the particular purpose—are limited to one year. Some states do notallow limitations on how long an implied warranty lasts, so the above limitation may not apply to you. Thiswarranty gives you specific legal rights, and you may have other rights that vary from state to state.

To exercise your rights under this warranty, contact Respironics, Inc. at:

APPLICABILITY OF WARRANTY

The terms and conditions of this warranty are applicable as between Respironics, Inc. and the customer as toeither a sale of the equipment, or to a transaction whereby Respironics, Inc. sells or conveys such equipmentto a third party for lease to the customer. The limitations and warranty provision herein shall ensure the benefitof Respironics, Inc. and any manufacturer of the equipment sold by Respironics, Inc.

1054417, VER. 01PAGE II


ALICE PDX INTRODUCTIONOVERVIEW ...............................................................................................................................1INTENDED USE.........................................................................................................................1SERVICE NOTICE......................................................................................................................1SERVICE TRAINING...................................................................................................................1SERVICE/TECHNICAL SUPPORT STATEMENT..............................................................................1

WARNINGS, CAUTIONS, & NOTESWARNINGS...............................................................................................................................4CAUTIONS................................................................................................................................5

SPECIFICATIONSPHYSICAL SPECIFICATIONS.......................................................................................................7OPERATING SPECIFICATIONS....................................................................................................8ELECTROMAGNETIC EMISSIONS ................................................................................................9ELECTROMAGNETIC IMMUNITY ................................................................................................10

THEORY OF OPERATIONOVERVIEW .............................................................................................................................13DETAILED CIRCUIT DESCRIPTIONS ..........................................................................................14ANALOG PCA........................................................................................................................14ECG .....................................................................................................................................14EEG/EOG.............................................................................................................................15EOG .....................................................................................................................................16EFFORT BELT ........................................................................................................................16PRESSURE/SNORE/RESPIRATION SENSOR ..............................................................................17DIGITAL PCA.........................................................................................................................18MICROCONTROLLER ...............................................................................................................18THERMISTOR CIRCUIT.............................................................................................................18BODY POSITION SENSOR (ACCELEROMETER) .........................................................................1916-BIT ANALOG TO DIGITAL CONVERTER................................................................................19ANALOG REFERENCE SUPPLY ................................................................................................19POWER SUPPLIES ..................................................................................................................19ACTIMETRY UART (U1) .........................................................................................................21ANALOG VOLTAGE REFERENCE..............................................................................................21NON-VOLATILE DATA STORAGE .............................................................................................21ADDITIONAL DATA STORAGE..................................................................................................21LCD DRIVER .........................................................................................................................22BATTERY PCA.......................................................................................................................22BATTERIES ............................................................................................................................22OVERCURRENT PROTECTION ..................................................................................................22REVERSE POLARITY PROTECTION...........................................................................................22

PAGE III1054417, VER. 01

AlicePDxTM Service & Technical Reference Manual

THEORY OF OPERATION (CONT.)SD CARD ..............................................................................................................................22INDICATOR LED.....................................................................................................................22

TROUBLESHOOTINGCOMMON PROBLEMS .............................................................................................................23ERROR CODE TABLE .............................................................................................................23

REPAIR AND REPLACEMENTRP KIT REFERENCE TABLE....................................................................................................30BENCH CHECKOUT ................................................................................................................31REPLACEMENT PROCEDURES.................................................................................................32REPLACING THE BATTERY DOOR & BATTERIES ......................................................................32REPLACING THE BATTERY ENCLOSURE ..................................................................................33REPLACING THE BATTERY PCA .............................................................................................34REPLACING THE POWER BUTTON...........................................................................................35REPLACING THE DISPLAY ENCLOSURE ...................................................................................36REPLACING THE MAIN PCA STACK........................................................................................39REPLACING THE DISPLAY HOLDER AND/OR DISPLAY (LCD)....................................................42REPLACING THE CANNULA PORT............................................................................................44REPLACING THE CLAMSHELL ASSEMBLY ................................................................................45

CLEANING AND MAINTENANCEALICE PDX DEVICE AND HOLSTER .........................................................................................46CARRYING CASE....................................................................................................................46LANYARD ..............................................................................................................................46

PERFORMANCE VERIFICATION/POST SERVICE TESTINGPROCEDURE ..........................................................................................................................47

TESTING DATA SHEET

SCHEMATICS

1054417, VER. 01PAGE IV

AlicePDxTM Service & Technical Reference Manual

ALICE PDX INTRODUCTION

OVERVIEWAlice PDx is a portable, diagnostic recording device. It may be used for obstructive sleep apnea screening aswell as for follow-up and diagnostic assessment. The device may be used in a sleep lab or clinical setting bytrained professionals, and it may be used at home by patients as directed by their health care provider.

The Alice PDx device is capable of recording various physiologic inputs and storing the data locally on theremovable storage card. The device may also be connected directly to a computer running the Sleepware®

software application. Sleepware can display live or pre-recorded data in a resolution consistent with thecomputer hardware specifications.

INTENDED USE

The Alice PDx is a multi-function recording device that collects and stores physiological signals. The recordeddata is downloaded, presented graphically on a computer screen, and may be printed for diagnostic review byclinicians/physicians to aid in the diagnosis of respiratory sleep disorders or other physiological disorders. TheAlice PDx may be used on adults in the home or hospital/institutional environment.

The device does not provide alarms and is not intended for use as an automated apnea or cardiac monitor.

SERVICE NOTICEThe Alice PDx is designed so that qualified Service Technicians can perform repair and testing procedures.Only qualified personnel should repair this product using authorized parts.

SERVICE TRAININGRespironics offers service training for the Alice PDx. Training includes complete disassembly of the device,troubleshooting subassemblies and components, and performance testing. For more information, contact theRespironics Service department at:

E-mail: [email protected]: (724) 755-8220

Fax: (724) 755-8230

SERVICE/TECHNICAL SUPPORT STATEMENTFor technical assistance, please contact Respironics Customer Satisfaction.

CAUTION

U.S. federal law restricts this device to sale by or on the order of a physician.

U.S.A. and CanadaPhone: 1-800-345-6443

Fax: 1-800-886-0245

InternationalPhone: 1-724-387-4000

Fax: 1-724-387-5012

PAGE 11054417, VER. 01


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1054417, VER. 01PAGE 2


WARNINGS, CAUTIONS, & NOTESWarnings, cautions, and notes are used throughout this manual to identify possible safety hazards, conditionsthat may result in equipment or property damage, and important information that must be considered whenperforming service and testing procedures on the Alice PDx device. Please read this section carefully beforeservicing the Alice PDx.

WARNING

Warnings indicate the possibility of injury to people.

CAUTION

Cautions indicate the possibility of damage to equipment.

NOTE

Notes are used to emphasize important information.

PAGE 31054417, VER. 01


WARNINGS

WARNINGS

• Perform Service procedures only in an ESD-protected environment.

• This device is not intended for life support.

• Do not service the Alice PDx device in a Magnetic Resonance Imaging (MRI) environment orin close proximity to a high emissions source.

• The Alice PDx system and software are not designed to replace the clinical judgement andanalysis of a health care professional.

• Do not plug sensor cables into electrical outlets. Cable contact with electrical outlets presentsa serious shock hazard.

• Make sure the conductive parts of electrodes and associated connectors, including the neutralelectrode, do not contact other conductive parts, including earth.

• Oxygen supports combustion. Oxygen should not be used while smoking or in the presence ofan open flame.

• Do not service the device in the presence of a flammable anaesthetic mixture in combinationwith oxygen or air, or in the presence of nitrous oxide.

• When attaching the sensors and cables, be careful to route the cables in a manner that willreduce the possibility of damage to either the sensors or the device.

• Periodically inspect the sensor cables for damage or signs of wear. Replace if damaged.

• Do not immerse the Alice PDx in any fluids.

• Repairs and adjustments must be performed by Respironics-authorized service personnelonly. Unauthorized service could cause injury, invalidate the warranty, or result in costlydamage.

• Use caution when removing damaged batteries and avoid exposing skin to any batteryleakage.

• Recycle or dispose of batteries in accordance with local regulations. Do not incinerate.

• Use only accessories that have been approved by Respironics.

• Connecting the Alice PDx to a device that is not approved by Respironics with the therapyand/or SleepLink® communication cables, may result in a shock hazard to patient. Onlydevices that are IEC 60601-1 approved may be attached to the Alice PDx.

• Ensure that any computer connected to the Alice PDx complies with the safety standard IEC60950. Only connect the Alice PDx to an IEC 60950 compliant computer when configuring thedevice or when viewing a sleep study in real time, carefully following the respectiveinstructions. Do not connect the Alice PDx to any other USB compatible device.

• Do not use grease, oils, polishes or other petroleum-based products when servicing orhandling the device.

• Precautionary procedures include methods to prevent buildup of electrostatic discharge (e.g.,air conditioning, humidification, conductive floor coverings, and non-synthetic clothing),discharging one’s body to the frame of the equipment or system or to earth or a large metalobject, and bonding oneself by means of a wrist strap to the equipment or system, or to earth.

1054417, VER. 01PAGE 4


CAUTIONS

CAUTIONS

• U.S. federal law restricts this device to sale by or on the order of a physician.

• Use only Respironics or factory-authorized replacement parts and accessories.

• Follow all of the manufacturer’s recommendations and instructions for the Alice PDx and allequipment used with the device.

• Operation of the Alice PDx device may be adversely affected by:

• Electromagnetic fields exceeding the level of 10 V/m in the test conditions of EN 60601-1-2

• The operation of high frequency (diathermy) equipment

• Defibrillators, or short wave therapy equipment

• Radiation (e.g., x-ray, CT)

• Magnetic fields (e.g., MRI)

• Synthetic fabric from draperies or rugs can also cause interference due to static electricity.Touching an inanimate object (e.g., wall) before handling the system often prevents static build-up problems.

• Strong transmitter signals from TV, radio, airport, police, fire, and ambulance stations could bereceived and may be misinterpreted as heart and/or breath signals. If you are located less thanone mile from any of these sources, ask Respironics Customer Service to assist you indetermining whether your system will operate properly.

• Do not immerse the Alice PDx device in any fluids.

• Do not place liquids on or near the Alice PDx device. If liquids are spilled on the equipment,discontinue use until it can be determined that the device can be safely operated.

• Performance of the Alice PDx cannot be assured when connected to therapy devices notmanufactured by Respironics.

• If you use an ExG or EEG Neuroground, do not use the right leg/ground ECG lead.

• Never use cleaning agents or harsh chemicals. Never spray cleaner directly onto the device.

• Make sure all parts are thoroughly dry before using.

• Do not autoclave, gas, or pressure sterilize Alice PDx equipment.

PAGE 51054417, VER. 01



1054417, VER. 01PAGE 6


SPECIFICATIONS

PHYSICAL SPECIFICATIONS

SizeDimensions 5” L x 3” W x 2” H (12.7 cm x 7.62 cm x 5.08 cm)

Weight Approximately 8 oz. (230 grams), (weight does not include batteries)Classifications & Standards Compliance

The Alice PDx device is classified as follows:• Type of Protection Against Electric Shock: Internally powered equipment.

• Degree of Protection Against Electric Shock: Type BF Applied part

• Degree of protection against harmful ingress of water:

• IPX0 (Ordinary protection against the ingress of liquids)

• Mode of Operation: Continuous operation

• Not suitable for use in the presence of a flammable anaesthetic mixture with air, oxygen, or nitrous oxide

The Alice PDx device is designed to conform to the following standards:• IEC 60601-1, IEC 60601-1-2,

• EN 60601-1, EN 60601-1-2, UL 60601-1, CSA 22.2 No. 601.1, and AS 3200.1.0.

Power RequirementsThree AA (1.5V) alkaline batteries, 0.43 watts (typ).

Temperature and Storage InformationTemperature Operating: 41 °F to 95 °F (5 °C to 35 °C)

Storage: -4 °F to 140 °F (-20 °C to 60 °C)Humidity Operating & Storage: 15-95% (non-condensing)

Atmospheric Pressure Operating & Storage: 70-102 kPa

PAGE 71054417, VER. 01


OPERATING SPECIFICATIONS

SpO2

Accuracy SpO2 (70-100%)(± 1 SD) -

• No Motion:

• Adults: ± 2 digits

• Motion


• Low Perfusion


Standard Deviation is a statistical measure: up to 32% of the readings may falloutside these limits.

Heart Rate• No Motion (18 - 300 BPM):


• Motion (40 - 240 BPM):


• Low Perfusion (40 -240 BPM):


DisposalDispose of the system components in accordance with local regulations.

1054417, VER. 01PAGE 8


ELECTROMAGNETIC EMISSIONSThis device is intended for use in the electromagnetic environment specified below. Use, service, and testing ofthe device should be performed in such an environment.

GUIDANCE & MANUFACTURER’S DECLARATION - ELECTROMAGNETIC EMISSIONS

EMISSIONS TEST COMPLIANCEELECTROMAGNETIC ENVIRONMENT

GUIDANCE

RF emissionsCISPR 11

Group 1Class B

The device uses RF energy only for its internalfunction. Therefore, its RF emissions are very lowand are not likely to cause any interference innearby electronic equipment.

RF emissionsCISPR 11

Not applicable for battery operated devices

The device is suitable for use in all establishments,including domestic establishments.

Harmonic emissions IEC 61000-3-2


Voltage fluctuations/flicker emissions IEC 61000-3-3


PAGE 91054417, VER. 01


ELECTROMAGNETIC IMMUNITYThis device is intended for use in the electromagnetic environment specified below. Use, service, and testing ofthe device should be performed in such an environment.

GUIDANCE & MANUFACTURER’S DECLARATION - ELECTROMAGNETIC IMMUNITY

IMMUNITY TESTIEC 60601-1-2

TEST LEVELCOMPLIANCE

LEVELEMC ENVIRONMENT GUIDANCE

Electrical fast Transient/burst IEC 61000-4-4

±2 kV for power supply lines

±1 kV for I/O lines


±1 kV for I/O lines

The device is suitable for use in all establishments, including domestic establishments.

SurgeIEC 61000-4-5

±1 kV Differential Mode

±2 kV common mode



Voltage dips, short interruptions, and voltage variations on power supply input lines IEC 61000-4-11

<5% UT (>95% dip in UT) for 0.5 cycle

40% UT (60% dip in UT) for 5 cycles

70% UT (30% dip in UT) for 25 cycles

<5% UT (>95% dip in UT) for 5 sec



1054417, VER. 01PAGE 10


Conducted RF

IEC 61000-4-6

Radiated RF

IEC 61000-4-3

3 Vrms

150 kHz to 80 MHz

3 V/m

80 MHz to 2.5 GHz

3 Vrms

3 Vrms

Portable and mobile RF communicationsequipment should be used no closer toany part of the device, including cables,than the recommended separationdistance calculated from the equationapplicable to the frequency of thetransmitter. Recommended separationdistance:

P = maximum output power rating of thetransmitter in watts (W) according to thetransmitter manufacturer and d = therecommended separation distance inmeters (m).

Field strengths from fixed RF transmitters,as determined by an electromagnetic sitesurvey,a should be less than thecompliance level in each frequencyrange.b

Interference may occur in the vicinity ofequipment marked with the followingsymbol:

NOTE 1 At 80 MHz and 800 MHz, the higher frequency range applies.NOTE 2 These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection fromstructures, objects, and people.a Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios,amateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess theelectromagnetic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured fieldstrength in the location in which the device is used exceeds the applicable RF compliance level above, the device should be observedto verify normal operation. If abnormal performance is observed, additional measures may be necessary, such as reorienting orrelocating the device.b Over the frequency range 150 kHz to 80 MHz, the field strengths should be less than 3 V/m.

GUIDANCE & MANUFACTURER’S DECLARATION - ELECTROMAGNETIC IMMUNITY

IMMUNITY TESTIEC 60601-1-2

TEST LEVELCOMPLIANCE

LEVELEMC ENVIRONMENT GUIDANCE

d 1.2 P=d 1.2 P=d 2.3 P=

80 MHz to 800 MHz800 MHz to 2.5 GHz

PAGE 111054417, VER. 01


RECOMMENDED SEPARATION DISTANCES BETWEEN PORTABLE & MOBILE RF COMMUNICATIONS AND THE M SERIES BASE PLATFORM SLEEP THERAPY DEVICESThis device is intended for use in an electromagnetic environment in which radiated RF disturbances arecontrolled. Electromagnetic interference may be prevented by maintaining a minimum distance betweenportable and mobile RF communications equipment (transmitters) and this device as recommended in thetable below, according to the maximum output power of the communications equipment.

RATED MAXIMUM POWER OUTPUT OF TRANSMITTER (W)

SEPARATION DISTANCE ACCORDING TO FREQUENCY OF TRANSMITTER

(m)

150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2.5GHz

0.01 0.12 0.12 0.23

0.1 0.38 0.38 0.73

1 1.2 1.2 2.3

10 3.8 3.8 7.3

100 12 12 23

For transmitters rated at a maximum output power not listed above, the recommended separationdistance d in meters (m) can be estimated using the equation applicable to the frequency of thetransmitter, where P is the maximum output power rating of the transmitter in watts (W) accordingto the transmitter manufacturer.

Note 1: At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.

Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affectedby absorption and reflection from structures, objects, and people.

d 1.2 P= d 1.2 P= d 2.3 P=

1054417, VER. 01PAGE 12


THEORY OF OPERATION

OVERVIEWA block diagram of the Alice PDx system is shown in Figure A.

FIGURE A: SYSTEM DIAGRAM

The system consists of a microcontroller, operating under program control, which collects signal inputs fromthe various peripheral signal conditioning circuits and stores that information on a removable data storagemedia. The system provides a User Interface (UI), which consists of a Liquid Crystal Display (LCD), an Eventpush button and a Power push button. A serial data link port, capable of communicating with external devicessuch as a Personal Computer (PC), or, various Respironics CPAP and Ventilator products is provided.

The Alice PDx is housed in a two-piece, hinged plastic housing. A removable cover on the back side of thehousing allows user access for replacement of the three “AA” cells, which provide power for the unit. The samecover also allows access to the removable data storage card.

All of the electrical circuitry is contained on three PCAs, broken down as follows:• Analog PCA

• Digital PCA

• Battery PCA

A detailed explanation of the circuitry on each PCA will follow.

Serial Data

NoninPulse Oximeter

Module

I2C UART

EEGEOGEMG

ECG

Thermistor

Accelerometer(Body Position)

Effort Belt

Pressure SensorSnore

Pressure Based Flow

PressureCPAP

orVentilator

CPUdsPIC333FJ256GP710

ActimetrySensor

Finger Probe

Electrodes

Electrodes

Serial Data

Event

On/Off

+3.

3VA

+3.

3VD

+5V

LCDReal-time Clock

EEPROM

SD Card

PC

Ventilator

CPAP

Battery3x AA

Alkaline or NIMH

PowerSupplies

Z

X Y

PAGE 131054417, VER. 01


DETAILED CIRCUIT DESCRIPTIONS

ANALOG PCA

ECG

The ECG subsystem consists of three signal conditioning circuits that receive biopotential signals fromelectrodes on the patient’s body and convert them to signals suitable for application to the ADC in themicrocontroller. All three channels provide identical gain and frequency response and differ only in inputconnections.

All ECG signal conditioners are designed to the following parameters:• Input voltage range: +/-4 mVDC

• Input coupling type: DC

• Input impedance: 10 Megohm single-ended, 20 Megohm differential

• Bandwidth: 0.318Hz to 200Hz (-3 dB)

• Output voltage range: 0 to 3VDC

• Quiescent output voltage: 1.5VDC

• Total gain: 375

The three ECG channels are ECG-I, ECG-II and ECG-V. Since each of the three signal conditioners containidentical circuitry, only ECG-I will be discussed here.

In a normal configuration, electrodes are placed on the patient in the following locations: left arm, right arm, leftleg, right leg and chest. ECG-I measures the potential between the left arm and the right arm. ECG-IImeasures the potential between the left leg (+) and the right arm (-). ECG-V measures the potential betweenthe chest electrode (+) and the average voltage of the left arm, right arm and left leg electrodes. Other ECGchannels (known as “leads”) can be derived by the algebraic addition and subtraction of the various channelsby software running in the microcontroller, or in the host computer.

Signal from the patient electrodes enter the Alice PDx unit at J16-1 (left arm) and J16-3 (right arm) and passesthrough R1 and R21, which in conjunction with C7 and C22, form lowpass filters for EMC susceptibilityreduction. A Transient Voltage Suppressor (CR4) and conventional diodes CR1A and CR1B provide ESDprotection. Resistors R18 and R20 bias the left and right arm signals approximately 1.5 VDC to ensure thesesignals are within the common mode range acceptable to U9.

Amplifier U9 is a low-drift instrumentation amplifier which amplifies the difference between the left and right armsignals by a factor of 18.7.

The output of U9 is fed to a four pole lowpass active filter formed by U10A and U10B. This filter has a cutofffrequency (Fc) of 200 Hz (-3dB) and a gain of 20. This filter was designed to have low phase distortion, toprevent distortion of the ECG waveform. The filtered signal is buffered by amplifier U10D prior to being sent tothe microcontroller ADC.

Amplifier U10C forms an integrator which is used to remove any DC shift that may occur in the amplifier/filterchain. The integrator has a Tc of 10 seconds and feeds back into the reference input of instrumentationamplifier U9. The integrator causes the signal at the output of U10B to be centered about ANALOG_REF, even

NOTE

Refer to Alice PDx Analog Board Schematics sheets 1, 2, and 3,located in the Schematics section beginning on page 53.

1054417, VER. 01PAGE 14


if a DC shift occurs due to amplifier offsets or a small DC offset occurring in the signal input. The action of theintegrator causes the appearance of a single pole of highpass filtering with a cutoff frequency of 0.318 Hz toappear in the response of the ECG signal conditioning circuit.

EEG/EOG

The EEG signal conditioners serve to amplify and filter the low-level “brain-wave” signals picked up byelectrodes placed on the scalp of the patient such that they are suitable for application to the microcontrollerADC. There are a total of 5 EEG amplifiers in the Alice PDx system. They are:

• EEG N1 R1

• EEG N2 R1

• EEG N3 R2

• EEG N4 R2

• EEG R1 R2

All EEG signal conditioners are designed to the following parameters:

• Input voltage range: 1000 µVp-p

• Input coupling type: AC


• Bandwidth: 0.08 Hz to 35 Hz (-3 dB)

• Output voltage range: 0 to 3 VDC

• Quiescent output voltage: 1.5 VDC

• Total gain: 3000

Since all five signal conditioners function identically, with the exception of their input connections, the operationof only one amplifier will be described here.

Signal from the electrodes enters the Alice PDx at J7-1 and J7-2 and pass through EMC/ESD protectioncomponents CR19B, R209, C30, CR18A, C32, R210, C129, C130 and C132. The signal then passes througha highpass RC filter consisting of C158, R63, C159 and R64. This filter serves to remove any DC offset due toelectrogalvanic action of the electrodes and has a cutoff frequency of 0.08 Hz. The signal is amplified byinstrumentation amplifier U1 with a gain of 150.

The amplified signal then passes to a four-pole active filter composed of amplifiers U2A and U2B. This filterhas a gain of 20, a cutoff frequency of 35 Hz, and is designed to minimize phase distortion of the signal.

The filtered signal next travels to amplifier U2D, where it is buffered prior to being sent to the analog input ofthe system microcontroller.

A sample of the filtered signal is sent to an integrator formed by U2C. The output of the integrator feeds thereference pin of U1 and causes the output of U2B to have a quiescent voltage equal to ANALOG_REF, thus,removing any DC offset due to amplifier offsets.

NOTE

Refer to Alice PDx Analog Board Schematic sheets 4, 5, and 6,located in the Schematics section beginning on page 53.

PAGE 151054417, VER. 01


EOG

Alice PDx contains three EMG signal conditioners which function identically to the EEG signal conditioners,but, are designed to different parameters. All EMG signal conditioners are designed to the followingparameters:

• Input voltage range: 300 uVp-p

• Input coupling type: AC


• Bandwidth: 10 Hz to 100 Hz (-3 dB)

• Output voltage range: 0 to 3 VDC

• Quiescent output voltage: 1.5 VDC

• Total gain: 10,000

EFFORT BELT

The operation of effort belt #1 is identical to that of #2, therefore, only the operation of belt #1 will be explainedhere.

An elastic belt which has wire woven through it is wrapped around the patient’s abdominal or thoracic area. Asthe patient breathes, the diameter of the patient’s abdomen or thorax changes, causing a change in the beltdiameter. Any change in the belt diameter causes a change in the belt’s inductance. The belt inductance, inconcert with C75 and C85 form a resonant circuit which controls the frequency of a Pierce oscillator formedwith U19. As the belt inductance changes, so does the frequency of oscillation. The nominal frequency ofoscillation of Belt #1 is approximately 100 KHz while Belt #2 is 170 KHz. These nominal frequencies can varyover a wide range, depending on the inductance of the effort belt.

The nominal belt inductance is approximately 42 uH. This test was performed on a few belts that wereavailable at the time of test and may not be indicative of inductance values to be expected in other beltsamples.

The output of oscillator U19 is fed into U20, an LM555CM timer chip operating as a oneshot multivibrator. Inthis mode, every falling edge of the signal from U19 causes U20 to output a positive pulse of a fixed duration ofapproximately 1.4 usec. U20 will change the rate at which it is triggered, due to changes in U19 frequency. Thischange of trigger rate, when taken with a constant duration pulse output by U20 each time it is triggered,means the duty cycle of U20’s output changes in response to changes in U19’s oscillation frequency. U20’soutput pulses are low pass filtered in a network formed by R165, R166, R167, C103, C104 and C105. Afterfiltering, a DC voltage is obtained which is proportional to the frequency of oscillation of U19. Since U19’sfrequency of oscillation is controlled by the inductance of the effort belt, we now have derived a voltage whosevalue is dependent upon the inductance of the effort belt.

NOTE

Refer to Alice PDx Analog Board Schematic sheets 7 and 8, locatedin the Schematics section beginning on page 53.

NOTE

Refer to Alice PDx Analog Board Schematic sheets 9 and 10located in the Schematics section beginning on page 53.

1054417, VER. 01PAGE 16


The DC voltage obtained across C105 is fed to amplifiers U21A and U21B via capacitor C117. C117 removesany DC offset that may be present in the belt signal while U21 amplifies the signal to a level suitable forapplication to the ADC.

It should be noted that the effort belt signals are fed to the LTC1867L 16 bit ADC, rather than the internal ADCof the microcontroller. This was done because it was felt that respiratory signal would need a greater dynamicrange than other signals.

PRESSURE/SNORE/RESPIRATION SENSOR

The pressure sensor in Alice PDx allows the measurement of pressure at the patient’s mask due to a CPAP orventilator, and the detection of both snore and respiration via the use of a nasal cannula.

When a pressure tap is connected from the Alice PDx to the patients’ mask, pressure over the range of -5 to 40CM can be read from the sensor into the microcontroller via the sensor’s I2C port.

When a cannula is connected, patient snore and respiration signals are detected by using a direct connectionfrom the sensor’s bridge output pins, which is amplified in instrument amplifier U18. Here, the differentialvoltage is amplified by a gain of 82.

The amplified signal is then fed to two sets of amplifier/filter circuits for deriving the respiration and snoresignals.

The respiration signal is detected by taking the U18 output and passing it first through a single pole RC filterconsisting of C81 and R17. This filter has a cutoff frequency of.03 Hz. The signal is then amplified by a factor of3.15 by U17A. The respiration signal passes through a 15 Hz, 2 pole active filter, consisting of U17B andassociated components. The amplified and filtered signal is then sent to the LTC1867L 16 bit ADC (U30) onthe digital board.

The output of amplifier U18 also feeds the snore detection circuit. The amplified signal. Passes through U23A,where it is highpass filtered at 100 Hz and amplified with a voltage gain of 50. The filtered signal next passesthrough U23B, which is configured as a gain of 1 inverting amplifier. This amplifier configuration was chosen toprovide a simple way to increase the gain of the signal path, if needed, simply by changing the values ofresistors R27 and R12. U23C and U23D provide additional voltage gain (8) and lowpass filtering (180 Hz) ofthe signal, prior to application to the analog to digital converter U30, located on the digital board.

The pressure sensor used in the Alice PDx offers extremely stable performance over a wide range oftemperatures. Stability of the sensor is enhanced by an onboard temperature sensor and DSP that correct thesensor’s output as needed, to limit error to +/-2% over the temperature range of 0 – 60 °C.

Since the digital output of the sensor is only updated at a rate of <100 Hz and is limited to 12 bits, it wasnecessary to gain access directly to the bridge outputs and apply external signal processing to obtain the snoreand respiration signals.

NOTE

Refer to Alice PDx Analog Board Schematic sheet 11located in theSchematics section beginning on page 53.

PAGE 171054417, VER. 01


DIGITAL PCA

MICROCONTROLLER

The system microcontroller is a Microchip dsPIC33FJ256GP710. Key features of this part include:• 256 KB Flash program memory

• 32 Kbytes static RAM

• 32 Analog inputs

• 2 UARTS

• 2 SPI ports

• 2 I2C ports

• The ability to access many peripherals via DMA

The microcontroller is responsible for coordinating the operation of Alice PDx system. Analog signals arereceived from the various sensors and processed by their respective conditioning circuits. These signals arethen passed to the microcontroller where they are further processed for storage on the SD memory card.

THERMISTOR CIRCUIT

The thermistor circuit provides the interface between a nasal or oral thermistor and the system microcontroller.Current flow through the thermistor, via resistor R137 causes a voltage to be developed across the thermistor.Slight variations will occur in the voltage across the thermistor in response to resistance changes due to patientrespiration. These voltage variations will be coupled through a low pass filter, consisting of R155 and C50 andthen through a highpass filter consisting of R145 and C210. The filtered signal is then amplified by U38A andlow pass filtered by R293 and C211 before being sent to the LT1867L 16 bit ADC.

A THERM_GOOD signals the microcontroller when a plug is inserted into jack J6.• Amplifier gain: 31

• Lowpass filter cutoff: 16 Hz

• Highpass filter cutoff: 0.033 Hz

NOTE

Refer to Alice PDx Digital Board Schematic sheet 3 located in theSchematics section beginning on page 53.

NOTE


1054417, VER. 01PAGE 18


BODY POSITION SENSOR (ACCELEROMETER)

A three-axis accelerometer mounted on the digital board provides body position sensing by means ofdetermining the sensor’s attitude with respect to gravity. The accelerometer is oriented such that:

• X is in the vertical axis

• Y is in the horizontal axis

• Z is in the front-to-back axis

16-BIT ANALOG TO DIGITAL CONVERTER

A standalone 16 bit ADC (U30) was included to provide the high resolution needed for sensing respiratorysignals. The LTC1867L provides for up to 8 input channels, only four of which are used. The ADCcommunicates with the system microcontroller via an SPI port.

The ADC’s internal reference is disabled and the device fed with an external 3.0 VDC reference.

ANALOG REFERENCE SUPPLY

Refer to Alice PDx Digital Board Schematic sheet 1.

The analog reference supply provides a voltage that is equal to VREF * ½ to all of the analog circuitry on thedigital and analog boards. This ensures that the quiescent outputs of all of the signal conditioners throughoutthe system are held at one half the input range of the system ADCs.

POWER SUPPLIES

Battery voltage is converted to the various operating voltages needed by the Alice PDx by means of three DCto DC converter circuits. These circuits supply operating voltage to the +3.3V_DIG, +3.3V_ANA and +5Vbusses.

Battery voltage can vary from zero volts, for a fully discharged battery, to about 4.8 VDC, for a fully chargedbattery. This poses special problems for the +3.3V supplies, as the input voltage can be less than, equal to, or,greater than the output voltage, requiring different power supply topologies as battery voltage changes. The ICchosen for the 3.3 VDC supplies is the LTC3440, by Linear Technologies. This part automatically reconfiguresitself as either a buck or boost converter, as needed to maintain voltage regulation.

NOTE


NOTE


NOTE


PAGE 191054417, VER. 01


There are separate supplies for both the +3.3V_ANA and +3.3V_DIG busses, consisting of U24 and U25,respectively.

A third DC to DC converter, U6, supplies power to the +5V bus. In this case, output voltage would always behigher than input voltage, allowing the use of a boost-only converter topology. The part chosen for this circuitwas the LT3526B, by Linear Technologies.

The original circuit for the +5V supply was an ON Semiconductor NCP1421. While highly efficient, this partgenerated a rather noisy +5V supply. Since the +5V supply feeds the pressure sensor, noise on the +5V buswas appearing on the snore signal, lowering the signal to noise ratio of the snore signal. The +5V supply waschanged to the LT2526B in order to improve the signal to noise ratio of the snore signal.

Amplifier U39 provides an indication of battery voltage to the microcontroller. The output of U39 (Vbatt) followsthe relationship below:

Y = MX + B

Where:

Y = voltage measured directly on the battery terminals

M = 1.922

X = VBATMON

B = 0.4212

The battery monitoring circuits are located on the digital board, rather than on the battery board. As a result,the battery monitoring circuit must measure battery voltage after it has passed through a considerable amountof resistance, due to traces in the flex circuit, EMC choke coils, and other devices. Main power for the unit alsopasses through these resistances, causing voltage drops to develop between the battery and the batterymonitoring circuit. The equation above accounts for these voltage drops, assuming the device is drawing anominal load current of about 78 mA. If load current should deviate from this value, it may be necessary torecalculate the M and B constants.

The system processor monitors VBATMON and will issue a low battery warning when the battery terminalvoltage falls below approximately 3.1 volts. The low battery warning will cause the system to halt furtheraccesses to the SD card, as well as flash the battery icon on the LCD.

If the battery continues to drain to a terminal voltage approximately 2.82 volts, battery supervisor U7 will issuea “battery critically low” warning to the processor via the BATT_GOOD line. This will cause the processor to gointo an immediate system shutdown. Due to the voltage drops mentioned above, it was necessary to set thetrip point of the voltage supervisor to 2.55 volts.

The control circuit for the power supplies is shown on sheet 6 of the Digital Board Schematic.

When the power button is pressed, a logic low appears at the /PR input of D-type flip flop U17, which puts theflip flop into the preset state. When in the preset state, output /Q is at logic low, which causes MOSFETS Q3Aand Q3B to not conduct, enabling the power supplies. A similar condition can be achieved if the RTC (U5)pulses the /IRQ/FOUT pin low in response to the passing of a preset time condition.

While any further presses of the power button have no direct effect on the power control circuit, themicrocontroller is notified of button pushes via a port pin. This button push may be detected by the programrunning in the microcontroller and cause the microcontroller to initiate a shutdown of the power system. Whenthe microcontroller places a logic high on the gate of Q2A, flip flop U17 is forced into the CLEARED state,applying a logic high on MOSFETS Q3A and Q3B, which causes a shutdown of the power supplies.

1054417, VER. 01PAGE 20


Under this scheme, the microcontroller can initiate a shutdown not only in response to a user request, butanytime it is necessary. A weak battery, or, a detected malfunction in the unit may be cause for a systemshutdown.

ACTIMETRY UART (U1)

A UART (Universal Asynchronous Receiver Transmitter), which is accessible to the microcontroller via an I2Cport is provided to support a future external actigraphy sensor.

ANALOG VOLTAGE REFERENCE

A precision 3.0 VDC reference is provided to the microcontroller ADC and the 16 bit external ADC (U30) by theanalog reference regulator (U13). ANALOG_REF is also derived from this signal.

NON-VOLATILE DATA STORAGE

32 Kbytes of non-volatile data storage is provided by EEPROM U4.

ADDITIONAL DATA STORAGE

32 Kbytes of additional temporary data storage is provided by U36. This RAM memory is accessed by an SPIport.

NOTE


NOTE


NOTE


NOTE


PAGE 211054417, VER. 01


LCD DRIVER

The microcontroller communicates with the LCD via I2C port 2. The 3.3 volt logic levels of the microcontrollerare translated by U2 to the 5 volt levels as required by the off board LCD. The LCD contains its own PCA8576driver on the LCD glass.

BATTERY PCA

BATTERIES

Power for the Alice PDx is provided by three user-replaceable “AA” size cells which are mounted by means ofspring clips to the battery board. While the preferred cell chemistry is either alkaline or NiMH, it is recognizedthat chemistries other than the preferred ones may be used. While these alternate chemistries may not provideideal performance, they should not cause damage to the Alice PDx or the batteries and must not cause ahazardous condition to occur.

OVERCURRENT PROTECTION

Overcurrent protection is provided by positive temperature coefficient thermistor F1.

REVERSE POLARITY PROTECTION

Protection of the device from the application of reverse polarity is provided by P-channel MOSFET Q1. An RCnetwork at the gate of Q1 provides a slow turn-on of power to the VBATT bus. This slow turn-on feature limitsthe charging current to capacitors on the input of the DC to DC converters (digital board) enough to preventdamage to MOSFET Q1.

SD CARD

The battery board contains the socket for the SD card.

INDICATOR LED

The battery board contains a bi-color (yellow/green) LED as part of the user interface. Inverters U1 and U2provide drive current to the LEDs, as commanded by the microcontroller.

NOTE

Refer to Alice PDx Digital Board Schematic sheet 5 located in the Schematics section beginning onpage 53.

NOTE

Refer to Alice PDx Battery Board Schematic sheet 1 located in the Schematics section beginning onpage 53.

1054417, VER. 01PAGE 22


TROUBLESHOOTINGThis troubleshooting guide provides a method for identifying the cause of a failure.

COMMON PROBLEMS

ERROR CODE TABLE

PROBLEM POSSIBLE CAUSES CORRECTIVE ACTIONUnit will not power up • Loose flex cable

• Faulty Battery PCA

• Faulty Digital PCA

• Replace flex cable

• Replace Battery PCA – check P5connector and F1 (less than 1 ohm)

• Replace Digital PCA – check P4connector

Empty Battery Icon flash

Yellow LED flash

• Battery Low • Replace Batteries

• Replace Battery PCA

Memory Card outline icon flash

Yellow LED flash

• Memory Card Missing or Bad • Replace Memory Card


• Replace Digital PCA

Full Memory Card Icon Flash

Yellow LED Flash

• Memory Card Full • Empty Memory Card

Wrench Icon Flash

Yellow LED Flash

• Safe Error State • Access error log

PDX EVENTS

ERROR CODE

DESCRIPTION PROBABLE CAUSE CORRECTIVE ACTION

12 Configuration Component EEPROMUpdate Failed

Faulty Digital PCA Replace Digital PCA

13 Failed to get ConfigurationComponent

Faulty Digital PCA Replace Digital PCA

21 Reserved (Unused) Faulty Digital PCA Replace Digital PCA



PAGE 231054417, VER. 01


CRITICAL ERRORS

ERROR CODE



151 Boot Monitor Software Program CRCTest Failed

Software memorycorrupted

Update Software

Replace Digital PCA

152 Main Application Software ProgramCRC Test Failed

Software memorycorrupted

Update Software

Replace Digital PCA

153 SRAM Data Bus Test Failed Faulty Digital PCA Replace Digital PCA

154 SRAM Address Bus Test Failed Faulty Digital PCA Replace Digital PCA

155 SRAM Data Location Test Failed Faulty Digital PCA Replace Digital PCA

156 Watchdog Timer Check Test Failed Faulty Digital PCA Replace Digital PCA

158 Watchdog Timer Timeout Faulty Digital PCA Replace Digital PCA

159 Stack Overrun Test Failed Faulty Digital PCA Replace Digital PCA

160 Main Battery Check Low Battery • Faulty Battery PCA

• Loose flex cable





161 Microcontroller Exception Detected Faulty Digital PCA Replace Digital PCA –check U29

162 Spurious Unused/Interrupt Detected Faulty Digital PCA Replace Digital PCA –check U29

163 Software Exception Detected Faulty Digital PCA Replace Digital PCA –check U29

164 OS Error Detected Faulty Digital PCA Replace Digital PCA –check U29

165 SD Card Write Protected • Wrong SD cardstatus (writeprotected)




• Replace SD card




1054417, VER. 01PAGE 24


166 SD Card Removed Error • Wrong SD cardstatus (writeprotected)




• Replace SD card


• Replace ClamshellAssembly

• Replace Main PCAStack

167 SD Card Full • Wrong SD cardstatus (writeprotected)



Faulty Digital PCA

• Replace SD card




168 SD Card I/0 Error • Wrong SD cardstatus (writeprotected)



Faulty Digital PCA

• Replace SD card




169 Initialization Error Faulty Digital PCA Replace Main PCA Stack

170 EEPROM I/O Error Faulty Digital PCA Replace Main PCA Stack

171 Comm Port I/O Error Faulty Digital PCA Replace Digital PCA

174 Serial RAM I/O Error Faulty Digital PCA Replace Main PCA Stack –check U36

175 Pressure Sensor Error • Faulty Analog PCA

• Loose Pressureconnection

Replace Main PCA Stack

176 LCD controller Error • Faulty LCD


• Replace LCD


177 Watchdog Test RAM Error Faulty Digital PCA Replace Main PCA Stack

178 Serial SRAM Data Bus Test Failed Faulty Digital PCA Replace Main PCA Stack –check U36

CRITICAL ERRORS

ERROR CODE


PAGE 251054417, VER. 01


179 Serial SRAM Address Bus Test Failed Faulty Digital PCA Replace Main PCA Stack –check U36

180 Serial SRAM Data Location TestFailed

Faulty Digital PCA Replace Main PCA Stack –check U36

NON-CRITICAL ERRORS

ERROR CODE


226 Body Position Sensor (Accelerometer)Test Failed


227 RTC I/O Error Faulty Digital PCA Replace Main PCA Stack –check U5

228 RML Event Buffer Overflow Faulty Digital PCA Replace Main PCA Stack

229 EEPROM Manufacturing DataChecksum Failure

Faulty Digital PCA Replace Main PCA Stack

230 SpO2 I/O Error • Faulty OximetryModule


• Faulty Analog PCA

Replace Main PCA Stack

231 Reboot Limit Exceeded Faulty Digital PCA Replace Digital PCA

232 SpO2 Lost Synch Error • Faulty OximetryModule



• Replace OximetryModule


• Replace Analog PCA

233 SpO2 Frame Error • Faulty OximetryModule



Main PCA Stack

234 RTC Test Failed Faulty Digital PCA Replace Main PCA Stack –check U5

CRITICAL ERRORS

ERROR CODE


1054417, VER. 01PAGE 26


235 Body Position Sensor (Accelerometer)Test Data Update Error


236 UART1 Error Faulty Digital PCA Replace Main PCA Stack

237 TD Missed Sample Error Faulty Digital PCA Replace Main PCA Stack

238 EEPROM HW Data Checksum Failed Faulty Digital PCA Replace Main PCA Stack

NON-CRITICAL ERRORS

ERROR CODE


PAGE 271054417, VER. 01



1054417, VER. 01PAGE 28


REPAIR AND REPLACEMENTFor technical assistance or replacement part ordering information, contact Respironics Product Support.

USA and CanadaPhone: 1-800-345-6443

Fax: 1-800-866-0245Email: [email protected]

InternationalPhone: 1-724-387-4000

Fax: 1-800-387-5012

PAGE 291054417, VER. 01


RP KIT REFERENCE TABLE

RP KIT NAME KIT CONTENTS PART NO.Main PCA Stack (pre-assembled andcalibrated)

• Galaxy Analog Board PCA

• Galaxy Digital Board PCA

• Pulse Ox Module

• 4-40 Phil Screw

• Flat washer (x3)

• 3/16” Nylon Standoff

• Thermistor Foam

1054921

Battery PCA Battery PCA 1054922Battery Door Battery Door 1053279Battery Enclosure • Battery enclosure

• #2 torx pan plastite 5/16” long (4x)

1054948

Battery Enclosure Screw Kit • #2 torx pan plastite 5/16” long (4x) 1054949

Battery PCA Flex Cable Battery PCA Flex Cable 1055426LCD w/Gasket • LCD

• Hinge Cup

1055427

Display Holder Display Holder 1055428Clamshell Assembly • Display enclosure cover

• Cannula and Cannula Cover

• Hinge, Clamshell w/Detent

• Base lock

• Power button

• Lock hook

• Spring, compression, 0.079” OD, 3.81lb/in

• Flex cable

1054923(Domestic U.S.and Japan)

1054924(International)

Alice PDx Plug Kit • Plug, large (2x)

• Plug, small (2x)

1054925

Power Button Power Button 1055429Display Enclosure (Domestic U.S.) • Display Enclosure

• Event Button

1054926

Display Enclosure (International,including Japan)

• Display Enclosure

• Event Button

1054947

Display Enclosure Screw Kit • Screw, #2 phil, pan, plastite, 3/4” long (2x)

• Screw, #2 torx pan plastite 5/16” long (2x)

1054950

1054417, VER. 01PAGE 30


BENCH CHECKOUT

Prior to performing service procedures on the Alice PDx, perform the following:1. Visually inspect the outside of the device for physical damage and broken or missing parts.2. Power on the device and verify that self test begins.3. Perform repairs to the device as necessary.4. Conduct the Performance Verification/Post-service Testing Procedure on page 47.

Additional AccessoriesHolster Holster 10532801GB SD card, 2-pack 1GB SD Card (x2) 1053952

PAGE 311054417, VER. 01


REPLACEMENT PROCEDURES

REPLACING THE BATTERY DOOR & BATTERIES

To remove the Battery Door & Batteries:1. Slide the Battery Door away from the Battery Enclosure as shown in the following illustration.2. Remove the Batteries from the Battery Enclosure.

FIGURE B: REMOVING AND INSTALLING THE BATTERY DOOR

To install the Battery Door:• Align the Battery Door locking tab with the slot in the Battery Enclosure and slide the Battery Door

into place.

CAUTION

Repair this device only in an ESD-protected environment.

NOTE

Upon replacing any component, you must perform thePerformance Verification/Post-Service Testing procedure.Refer to page 47 for required testing after componentreplacement.

Ensure that foam is oriented towards the top of the center mark in the inside of the Battery Door.

Battery Door

1054417, VER. 01PAGE 32


REPLACING THE BATTERY ENCLOSURE

To replace the Battery Enclosure:1. Using a Torx T8 screwdriver, remove and retain the four screws that secure the Battery Enclosure

to the Clamshell Assembly.2. Lift the Battery Enclosure away from the Battery PCA/Battery Enclosure Cover Assembly. Refer to

the following illustration.

FIGURE C: BATTERY ENCLOSURE REMOVAL

To install the Battery Enclosure:1. Be sure the Battery PCA is properly seated in the Battery Enclosure Cover.2. Align the Battery Enclosure with the Battery PCA/Battery Enclosure Cover Assembly and properly

seat the Battery Closure in place.3. Secure the Battery Enclosure with the four screws previously removed.

2.5 in.-lbs. (x4)

The Flex Cable is Delicate. Handle with caution.

Battery Enclosure

Battery PCABattery Enclosure Cover is included in the Clamshell Assembly.

PAGE 331054417, VER. 01


REPLACING THE BATTERY PCATo remove the Battery PCA:

1. Disconnect the Ribbon Cable from the P5 Connector on the Battery PCA.

2. Lift the Battery PCA out of the Clamshell Assembly. Refer to the following illustration.

FIGURE D: BATTERY PCA REMOVAL/REPLACEMENT (ENTIRE CLAMSHEELL ASSEMBLY NOT SHOWN)

To install the Battery PCA:1. Be sure the Power Button is properly oriented in the Battery Enclosure Cover and that the Ribbon

Cable is properly routed through the slot in the Battery PCA.2. Align the Battery PCA with the Battery Enclosure Cover. Refer to Figure D.3. Connect the Ribbon Cable to the P5 connector on the Battery PCA.4. Assemble the remainder of the Alice PDx as necessary.

CAUTION

Handle the Ribbon Cable delicately so as not to damage it.

P5 ConnectorDuring installation, route the Ribbon Cable through this slot.

During installation, ensure the Button is properly oriented.

During installation, be sure the top edge of the Battery PCA is placed under the Base Lock Clip.

Base Lock Clip

1054417, VER. 01PAGE 34


REPLACING THE POWER BUTTON

To remove the Power Button:1. Remove the Battery Door and Batteries. Refer to page 32 for removal instructions if necessary.2. Remove the Battery Enclosure. Refer to page 33 for removal instructions if necessary.3. Remove the Battery PCA. Refer to page 34 for removal instructions if necessary.4. Lift the Power Button out of the Battery Enclosure Cover (part of the Clamshell Assembly).

FIGURE E: POWER BUTTON REMOVAL/INSTALLATION (ENTIRE CLAMSHEELL ASSEMBLY NOT SHOWN)

To install the Power Button:1. Place the Power Button in the opening of the Battery Enclosure Cover. Ensure the raised center of

the Button is seated in the opening of the Battery Enclosure Cover and the Button’s notch is prop-erly oriented.

2. Assemble the remainder of the Alice PDx as necessary.

Power Button

During installation, ensure the raised center on the Power Button is seated in the opening of the Battery Enclosure Cover and the notch in the Power Button is oriented properly.

PAGE 351054417, VER. 01


REPLACING THE DISPLAY ENCLOSURE

To remove the Display Enclosure:1. Open the Alice PDx to expose the LCD.2. Remove the four Rubber Mounts to expose the four screws that secure the Display Enclosure to

the Display Enclosure Cover.3. Remove the four screws that secure Display Enclosure to the Display Enclosure Cover.

FIGURE F: DISPLAY ENCLOSURE REMOVAL

2.5 in.-lbs. (x2)

2.5 in.-lbs. (x2)

Rubber Mounts (x2)

Rubber Mounts (x2)

1054417, VER. 01PAGE 36


4. Slightly separate the Display Enclosure from the Display Enclosure Cover (part of the Clamshell Assembly).

5. Unlock the J10 connector on the Digital PCA (part of the Main PCA Stack) and remove the ribbon cable. The ribbon cable is connected to the patient event button installed in the Display Enclosure.

FIGURE G: DISPLAY ENCLOSURE REMOVAL/INSTALLATION

CAUTION

A Ribbon Cable is connected between the Patient Event Button in the Display Enclosure andthe Main PCA Stack. Slightly separate the Display Enclosure from the Clamshell Assembly,then disconnect the Ribbon Cable from the J10 connector on the Digital PCA.

Unlock this connector (J10) to disconnect the ribbon cable.

Ribbon cable

Display Enclosure

IMPORTANT - DURING ASSEMBLY, THIS RIBBON CABLE MUST BE ROUTED AND FOLDED AS SHOWN. BE SURE THAT IT IS NOT PROTRUDING FROM THE MAIN PCA STACK.

PAGE 371054417, VER. 01


To install the Display Enclosure:1. Connect the patient event ribbon cable to the J10 connector located on the Digital PCA (part of the

Main PCA stack).

FIGURE H: INSTALLATION OF THE RIBBON CABLE

2. Place the Display Enclosure onto the Clamshell Assembly. Be sure the Display Enclosure snaps onto the Display Enclosure Cover (part of the Clamshell Assembly).

3. Secure the Display Enclosure to the Display Enclosure Cover using the four screws removed dur-ing the disassembly process.

4. Install the Rubber Mounts as shown previously in Figure F.5. Assemble the remainder of the Alice PDx as necessary.

CAUTION

Be sure the Ribbon Cables are routed so as not to be damagedduring assembly of the Alice PDx.

J10 connector on Digital PCA

Side ViewProper Alignment of the Ribbon Cable

Patient Event Button

Patient Event Button Ribbon Cable

Top View - Incorrect Alignment of the Ribbon Cable

The Patient Event Button Ribbon Cable should not be installed in this fashion. Verify that the Ribbon Cable remains in

straight alignment.

1054417, VER. 01PAGE 38


REPLACING THE MAIN PCA STACK

FIGURE I: MAIN PCA STACK COMPONENTS

To remove the Main PCA Stack:1. Remove the Display Enclosure. Refer to page 36 if necessary.2. Disconnect the Flex Cable from the P4 connector located on the Digital PCA.3. Disconnect the LCD Ribbon Cable from the J4 connector located on the under side of the Digital

PCA. Not that the LCD Ribbon Cable is locked into the connector.4. Disconnect the Sensor Tube located on the Analog PCA from the Cannula Port.5. Lift the Main PCA Stack out of the Display Holder.

CAUTION

The image shown in Figure I is provided for your convenience and toillustrate the components included with the Main PCA Stack. The MainPCA Stack is assembled and calibrated by Respironics. Do notdisassemble the Main PCA Stack. Handle the Main PCA Stack withextreme caution.

Digital PCA

Analog PCA

Pulse OximeterModule

PAGE 391054417, VER. 01


FIGURE J: MAIN PCA STACK REMOVAL/INSTALLATION

CAUTION

The J4 connector shown in the following illustration is in the unlocked position. It must bein the unlocked position when removing and connecting the LCD Ribbon Cable.

Insulator

LCD Ribbon Cable (connects to J4 on the Digital PCA)

IMPORTANT - CABLE MUST BE ROUTED AND FOLDED AS SHOWN

Digital PCA

P4 Connector

Display Holder

J4 Connector

Sensor Tube

1054417, VER. 01PAGE 40


To install the Main PCA Stack:1. Connect the Sensor Tube to the Cannula Port.2. Seat the Main PCA Stack in the Display Holder. Be sure the Ribbon Cables are not pinched and

are routed for connection in the following steps.3. Connect the LCD Ribbon Cable to the J4 Connector on the Digital PCA.4. Connect the Flex Cable to the P4 Connector on the Digital PCA.5. Assemble the remainder of the Alice PDx as necessary.

PAGE 411054417, VER. 01


REPLACING THE DISPLAY HOLDER AND/OR DISPLAY (LCD)To remove the Display Holder (w/Display):

1. Remove the Display Enclosure. Refer to page 36 if necessary.2. Remove the Main PCA Stack. Refer to page 39 for removal instructions if necessary.3. Lift the Display Holder out of the Display Enclosure Cover.4. Remove the Display from the Display Holder. The Display is equipped with a non-removable Rib-

bon Cable.

FIGURE K: LCD AND DISPLAY HOLDER

To install the Display Holder with Display (LCD):1. Install the foam on the Display Holder as shown in Figure L.2. Install the Display in the DIsplay Holder as shown above in Figure K.3. Assemble the remainder of the Alice PDx as necessary.

Display Holder

Verify that Display and Display Holder snap together

Place this end in first

Display (LCD)

1054417, VER. 01PAGE 42


FIGURE L: DISPLAY HOLDER

NOTE

The Hinge Cup shown in Figure L replaces a piece of foamthat was installed in earlier versions of the Alice PDx.

Remove foam from LCD. Do not touch LCD with bare fingers.

Snap Display into Display Enclosure Cover

Be sure the Flex Cable does not get caught or pinched between plastic parts.

Remove protective Film inside of Display Cover

Position Hinge Cup in the Enclosure Cover

Connect Sensor Tubeto Cannula Port

PAGE 431054417, VER. 01


REPLACING THE CANNULA PORT

To remove the Cannula Port:1. Remove the Display Enclosure. Refer to page 36 if necessary.2. Remove the Main PCA Stack. Refer to page 39 for removal instructions if necessary.3. Unsnap the Cannula Port Cover from the latches on the Cannula Port mount.4. Remove the Cannula Port.

FIGURE M: CANNULA PORT REMOVAL/INSTALL

To install the Cannula Port:1. Place the Cannula Port the opening in the Display Enclosure as shown in Figure M.2. Place the Cannula Port cover over the Cannula Port and snap it into place to secure the Cannula

Port.3. Assemble the remainder of the Alice PDx as necessary.

Cannula Port Cover

Cannula Port

Place Cannula Port through opening in Display Enclosure Cover, then snap the Cannula Port Cover onto the Cannula Port.

Display Enclosure Cover

1054417, VER. 01PAGE 44


REPLACING THE CLAMSHELL ASSEMBLY

The Clamshell Assembly is pre-assembled and is comprised mainly of the Battery Enclosure Cover and theDisplay Enclosure Cover.

To remove the Clamshell Assembly:1. Remove the Battery Door and Batteries. Refer to page 32 for removal instructions if necessary.2. Remove the Battery Enclosure. Refer to page 33 for removal instructions if necessary.3. Remove the Battery PCA. Refer to page 34 for removal instructions if necessary.4. Remove the Power Button. Refer to page 35 for removal instructions if necessary.5. Remove the Display Enclosure. Refer to page 36 for removal instructions as necessary.6. Remove the Main PCA Stack. Refer to page 39 for removal instructions as necessary.7. Remove the Display Holder w/Display. Refer to page 42 for removal instructions as necessary.8. Remove the Cannula Port. Refer to page 44 for removal instructions as necessary.

FIGURE N: CLAMSHELL ASSEMBLY

9. Install all components into the Alice PDx and assemble the device as necessary. Refer to the pre-vious Repair/Replace sections of this Manual as necessary.

Battery Enclosure Cover

Display Enclosure Cover

PAGE 451054417, VER. 01


CLEANING AND MAINTENANCEThis section describes how to clean the Alice PDx device and sensors.

ALICE PDX DEVICE AND HOLSTERClean the Alice PDx between uses with patients.

To clean the Alice PDx device and holster:• Moisten a soft cloth with soapy water or a mild detergent. Squeeze the cloth to remove excess

water.• Gently, wipe the cloth over the device and holster.

• Then, dry with a clean, dry cloth.

CARRYING CASESurface clean with a moist cloth. If necessary, use a mild detergent, and then remove the detergent solutionwith a damp cloth. Do not use bleach. Allow to air dry.

LANYARD• Hand wash in cold water with a mild detergent. Do not use bleach.

• Hang to dry or tumble dry on low heat and remove promptly from the dryer.

CAUTION

Do not autoclave, gas, or pressure sterilize Alice PDx equipment.

1054417, VER. 01PAGE 46


PERFORMANCE VERIFICATION/POST SERVICE TESTINGThis section provides performance verification for the Alice PDx device. Testing shall be performed at periodicintervals commensurate with hospital or homecare provider guidelines for preventative maintenance, andbetween rentals and patient usage.

REQUIRED TOOLS/EQUIPMENT:

PROCEDUREPerform the following:

1. Visually inspect the device, case, display, connections, and buttons for any damage, wear, or other possible defects. (Indicate Pass or Fail on the data sheet.)

2. Ensure New, Fully-Charged AA batteries are correctly. (Indicate “Completed” on the data sheet.)3. Ensure that an SD Card is correctly inserted in the SD Card Slot. (Indicate Pass or Fail on the data

sheet.)4. Verify that the Alice PDx device is powered ON and that the error indication symbol is not visible. If

the error indication symbol is visible and flashing, power OFF the device and replace the Main PCA Stack. Refer to page 39 for replacement procedures. (Indicate Pass or Fail on the data sheet.)

Tools/Equipment Part # Tools/Equipment Part #

Host PC running Microsoft®

Windows® 2000, XP, or Vista

N/A Nasal Cannula P1390

Respironics Alice® Sleepware®

software version 2.7.43 or laterdownload from

my.respironics.comPulse Oximeter w/FingerProbe

936

Three AA batteries 1055371, 4-pack Thermistor P1379

USB to Serial (Communications)Cable

1040807 Effort Belts P1837

ECG Yoke w/Leads 1040809 (Dom. U.S.)

1040810 (International)

SD Card 1053952

EXG Yoke w/Leads 1040808 (Dom. U.S.)

1040815 (International)

Error Indication Symbol

PAGE 471054417, VER. 01


5. Verify that Respironics Sleepware® is installed on the host computer, if not, proceed with the fol-lowing software installation instructions:a. You must be logged onto the host computer and have administrative rights (e.g., you can

install and remove software, grant permissions to files and folders to other users, etc.)b. Ensure that all folders to be used by specific groups and users have the necessary permis-

sions settings.c. The permissions on all data locations must be opened so that all users have read and write

access. The software installer will attempt to do this for the chosen installation folder.d. Insert the Sleepware CD into the CD drive of your computer and follow the on-screen instruc-

tions.e. After installation is complete, create all of the data locations needed (see Sleepware’s online

help for details).f. As Administrator, change the security rights attached to any other data locations you’ve cre-

ated to allow all users full control of these directories. You can also change the user type back to “restricted” on the computer if necessary. Refer to Windows Help and Support for informa-tion on security rights. (Indicate “Completed” on the data sheet.)

6. Connect the Communications cable between the Alice PDx communications connector and the USB port of host computer.

7. Open the Sleepware software and perform Add Device to Sleepware.You must add a new Alice PDx device to Sleepware before it can be used:a. Click on the Configure button on the Sleepware starter bar and select the Add/Modify Device

option from the pop-up menu.

b. The Add/Modify Device window is displayed.

1054417, VER. 01PAGE 48


c. Click the Enable support for Alice PDx check box and enter a “Friendly” name (a name that is recognizable to you) for the Alice PDx device.

d. The name you enter will appear on the Sleepware starter bar as a device button.e. Click OK to complete the Add Device function.f. Ensure all channels are turned ON.g. Refer to Sleepware’s online help for instructions on how to configure an Alice PDx device for

use with Sleepware.8. Upon completion of the Add Device function, close Sleepware software and disconnect the com-

munications cable from Alice PDx. (Indicate Pass or Fail on the data sheet.)9. Connect the Thoracic and Abdominal Effort Belts to the Alice PDx device, ensure indicator stops

blinking.10. Connect the Nasal Cannula and Oral Thermistor to Alice PDx device, place cannula in position to

receive air flow, place the Thermistor between your fingers, and ensure indicator stops blinking.11. Connect the Pulse Oximetry cable with Finger Probe to the Alice PDx device, and ensure indicator

stops blinking. (Indicate Pass or Fail on the data sheet.)12. Connect the ECG Yoke with leads to the Alice Pdx Device, and ensure indicator stops blinking.13. Connect the EXG Yoke with leads to the Alice Pdx Device, and ensure indicator stops blinking.

14. Test the Effort Belts by expanding and contracting the belts. (Indicate Pass or Fail on the data sheet.)

15. Test the Nasal Cannula by breathing into or forcing air through the Nasal Openings.(Indicate Pass or Fail on the data sheet.)

16. Test the Thermistor by rubbing the end tips to generate heat. (Indicate Pass or Fail on the data sheet.)

17. Test the Pulse Ox by placing one index finger in the SpO2 finger probe. (Indicate Pass or Fail on the data sheet.)

18. Test the ECG signal by tapping on all lead wires.19. Touch the lead wires together after the ECG tests to gain ground default signal indication. (Indicate

Pass or Fail on the data sheet.)20. Test the EXG signal by tapping on all lead wires. (Indicate Pass or Fail on the data sheet.)21. Touch the lead wires together after the EXG tests to gain ground default signal indication. (Indicate

Pass or Fail on the data sheet.)22. Press and hold the Patient Event Button for 4 seconds.23. Power off the Alice PDx device and remove the SD Card.24. Insert the SD Card into a Card Reader. Using Sleepware software, verify the test report indicates

signals across tested inputs. (Indicate Pass or Fail on the data sheet.)25. Erase the SD Card. (Indicate “Completed” on the data sheet.)26. Complete the Test Data Sheet.

NOTE

For the following tests, allow 20 seconds to pass during the tests toallow for collection of proper data onto SD Card.

PAGE 491054417, VER. 01



1054417, VER. 01PAGE 50


TESTING DATA SHEETDevice Model Number: ______________________

Device Serial Number: ______________________

RA Number (if applicable): ___________________

Test Step # Pass Fail Completed

Physical Inspection 1 N/A

Install New Batteries 2 N/A N/A

SD Card 3 N/A

Turn ON - No Errors 4 N/A

Sleepware Installation 5 N/A N/A

Communications 6 N/A

Add Device 7 N/A

Effort Belts 9 & 14 N/A

Nasal Cannula 10 & 15 N/A

Thermistor 10 & 16 N/A

Pulse Oximeter 11 & 17 N/A

ECG 12, 18 & 19 N/A

EXG 13, 20, & 21 N/A

Patient event 22-24 N/A

Erase SD Card 25 N/A N/A

Tested By (Print / Sign): / Date: / /

PAGE 511054417, VER. 01



1054417, VER. 01PAGE 52


SCHEMATICS

PROPRIETARY STATEMENTSchematics are supplied in direct support of the sale and purchase of this product.

The Schematics are proprietary and confidential. Do not copy the schematics or disclose them to third partiesbeyond the purpose for which they are intended.

The schematics are intended to satisfy administrative requirements only. They are not intended to be used forcomponent level testing and repair. Any changes of components could effect the reliability of the device,prohibit lot tracking of electronic components, and void warranties. Repairs and testing are supported only atthe complete board level.

The schematics are of the revision level in effect at the time this manual was last revised. New revisions may ormay not be distributed in the future.

PAGE 531054417, VER. 01


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1054417, VER. 01PAGE 54


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PAGE 551054417, VER. 01


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1054417, VER. 01PAGE 56


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K

R38

6.81

K

R91

27.4K

A=4

.01uF

C82

A=4

AG

ND

AG

ND

AG

ND

+3.3

V_A

NA

AG

ND

+3.3

V_A

NA

AG

ND

+3.3

V_A

NA

AG

ND

.47uF

C87

R89

39.2

K

A=5

A=5

AG

ND

EE

G_N

4_A

2

EE

G_N

3_A

2.01uF

C102AG

ND

.01uF

C101

1UF

C16

5

1UF

C16

2

R85

2M

.01uF

C134

C44

10uF

10V

R104

27.4K

.01uF

C92

+3.3

V_A

NA

AG

ND

.47uF

C77

R10

9

10MR10

2

39.2

K

R96

10M

AG

ND

R84

2M

R97

2M

AG

ND

AN

ALO

G_R

EF

AN

ALO

G_R

EF

AN

ALO

G_R

EF

AN

ALO

G_R

EF

AN

ALO

G_R

EF

AN

ALO

G_R

EF

R22

1

1.00

K

R21

7

1.00

K

R21

8

1.00

K

AG

ND

100pF

C180

A=1

50

AG

ND

31

ES

D8V

0L2B

-03L

CR

14:A

AG

ND

32

ES

D8V

0L2B

-03L

CR

16:B

100pF

C179AG

ND

A=1

50

330p

F

C43

AG

ND

.47uF

C74

R39

309K

.1uF

C39

AG

ND

R99

162K

+3.3

V_A

NA

+3.3

V_A

NA

R86

162K

R94

22.6

K

.01uF

C89

R101

113K

+3.3

V_A

NA

7

1145 6

AD

8609

U7:

B

AG

ND

+3.3

V_A

NA

AG

ND

+3.3

V_A

NA

A=1

R22

2

1.00

K

32

ES

D8V

0L2B

-03L

CR

15:B

100pF

C181AG

ND

32

ES

D8V

0L2B

-03L

CR

17:B

100pF

C178

.1uF

C42 58

9-IN

10

7

63

2+I

N1

4

AD

8553

U6

.47uF

C84

R43

309K

330p

F

C40

AG

ND

8

11410 9

AD

8609

U8:

C

1UF

C93

1

1143 2

AD

8609

U8:

AR

107

22.6

K

8

11410 9

AD

8609

U7:

C

1UF

C83

1

1143 2

AD

8609

U7:

A

7

1145 6

AD

8609

U8:

B

+3.3

V_A

NA

.01uF

C79

R88

113K

A=1

58

9-IN

10

7

63

2+I

N1

4

AD

8553

U5

R36

4.12

K

EE

G_N

3_A

2 &

EE

G_N

4_A

2

R40

4.12

K14

11412 13

AD

8609

U8:

D

14

11412 13

AD

8609

U7:

D

1054417, VER. 01PAGE 58


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F6

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

R2

R1

A=1

50

AG

ND

AG

ND

AG

ND

/AC

T_G

OO

D

A=4

AG

ND

A=5

AC

T_U

AR

T_TX

AC

T_U

AR

T_R

X

.01uF

C143

+3.3

V_D

IG

+3.3

V_A

NA

AG

ND

R290

2M

R282

2M

AG

ND

AG

ND

.01uF

C141

.01uF

C142

AG

ND

100pF

C182

R27

0

4.12

K

330p

F

C17

3

AG

ND

R491

100K

R490

100K

/EX

G_G

OO

D

AG

ND

R27

5

162K

SP

AR

E

1UF

C17

5

AG

ND

R27

6

22.6

K

R287

113K

.01uF

C176

AG

ND

+3.3

V_A

NA

AG

ND

AG

ND

AG

ND

A=1

+3.3

V_A

NA

AG

ND

AG

ND

DG

ND

AG

ND

100pF

C183AG

ND

R27

3

309K

+3.3

V_A

NA

+3.3

V_A

NA

.47uF

C156

AG

ND

31

ES

D8V

0L2B

-03L

CR

19:A

AG

ND

AG

ND

AN

ALO

G_R

EF

EE

G_R

1_R

2

AC

TI-L

OO

PB

AC

K

25J7

:YS

HIE

LD

22J7

:V

EX

G-L

OO

PB

AC

K

19J7

:S

18J7

:R

15J7

:O

17J7

:Q

12J7

:L

AG

ND

R25

9

1.00

K

.01uF

C140

31

ES

D8V

0L2B

-03L

CR

15:A

AG

ND

R15

8

6.81

K

+3.3

V_A

NA

AC

T D

ATA

OU

T

14

11412 13

AD

8609

U28

:D

AG

ND

.47uF

C155

+3.3

V_A

NA

R26

6

1.00

K

32

ES

D8V

0L2B

-03L

CR

18:B

AN

ALO

G_R

EF

R25

7

10MR25

1

39.2

K

AN

ALO

G_R

EF

AG

ND

+3.3

V_A

NA

R492

100K

EE

G &

AC

T

20J7

:TR

264

1.00

K

21J7

:U

9J7

:I

16J7

:P

.01uF

C139AG

ND

R26

8

1.00

K

AG

ND R26

0

1.00

K

1UF

C17

0

R26

3

1.00

K

1UF

C16

8

31

ES

D8V

0L2B

-03L

CR

10:A

.01uF

C199

C54

10uF

10V

.1uF

C57

R247

27.4K

AC

T D

ATA

IN

AG

ND

+3.3

V_A

NA

1

1143 2

AD

8609

U28

:A

+3.3

V_A

NA

.01uF

C91

31

ES

D8V

0L2B

-03L

CR

16:A

R26

5

1.00

K

7

1145 6

AD

8609

U28

:B

+3.3

V_A

NA

R493

100K

8

11410 9

AD

8609

U28

:CA

NA

LOG

_RE

F

31

ES

D8V

0L2B

-03L

CR

11:A

6J7

:F

32

ES

D8V

0L2B

-03L

CR

11:B

1000

OH

MS

@ 1

00 M

HZ

E10

1000

OH

MS

@ 1

00 M

HZ

E9

1000

OH

MS

@ 1

00 M

HZ

E8

AN

ALO

G_R

EF

3J7

:C

32

ES

D8V

0L2B

-03L

CR

12:B

1000

OH

MS

@ 1

00 M

HZ

E7

58

9-IN

10

7

63

2+I

N1

4

AD

8553

U37

PAGE 591054417, VER. 01


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PR

BY

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N B

Y:

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K B

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OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F7

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

EM

G1+

AG

ND

A=5

00A

=4A

=5

EM

G2-

EM

G2+

EM

G1-

R36

0

1.00

K

R38

6

1.00

K

R25

8

1.00

K

R28

0

1.00

K

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

.47uF

C172

R40

0

56.2

K

+3.3

V_A

NA

+3.3

V_A

NA

AG

ND

AG

ND

R393

39.2KR277

39.2K

.01uF

C278

.01uF

C157

AG

ND

AG

ND

AG

ND

+3.3

V_A

NA

AG

ND

+3.3

V_A

NA

R396

2M

R397

2MR269

2M

R291

2M

100pF

C184

100pF

C185

100pF

C187

100pF

C186

A=5

00

.1uF

C280

.1uF

C171

.47uF

C277

R27

4

56.2

K

A=4

1UF

C27

9

1UF

C17

4

R40

1

7.87

K

R28

5

7.87

K

A=5

A=1

AG

ND

AN

ALO

G_R

EF

AN

ALO

G_R

EF

AN

ALO

G_R

EF

EM

G2

EM

G1

A=1

AG

ND

14J7

:N

AG

ND

13J7

:M

AG

ND

11J7

:K

AG

ND

10J7

:J

AG

ND

8200

pF

C28

1

AG

ND

8200

pF

C16

7

AN

ALO

G_R

EF

1000pF

C200

8200

pF

C16

9

120p

F

C26

4

R35

9

2.37

K

120p

F

C56

R253

9.53K

AG

ND

+3.3

V_A

NA

AG

ND

AG

ND

.47uF

C284

+3.3

V_A

NA

AG

ND

+3.3

V_A

NA

AG

ND

AG

ND

.47uF

C152

.01uF

C153

+3.3

V_A

NA

AN

ALO

G_R

EF

+3.3

V_A

NA

AN

ALO

G_R

EF

+3.3

V_A

NA

.01uF

C138

.01uF

C137

.01uF

C125

.01uF

C126

31

ES

D8V

0L2B

-03L

CR

12:A

R39

8

3.92

K

8200

pF

C28

2

1000pF

C201

31

ES

D8V

0L2B

-03L

CR

13:A

32

ES

D8V

0L2B

-03L

CR

14:B

R28

1

3.92

K

C26

710

uF10

V

R361

9.53K

R40

2

976K

+3.3

V_A

NA

C55

10uF

10V

R15

7

2.37

K

R28

3

976K

+3.3

V_A

NA

1

1143 2

AD

8609

U13

3:A

.01uF

C283

14

11412 13

AD

8609

U32

:D

1

1143 2

AD

8609

U32

:A

R36

2

10M

7

1145 6

AD

8609

U13

3:B

R40

3

13.7

K

R25

5

10M

7

1145 6

AD

8609

U32

:BR

256

13.7

K

8

11410 9

AD

8609

U13

3:C

8

11410 9

AD

8609

U32

:C

14

11412 13

AD

8609U

133:

D

AN

ALO

G_R

EF

AN

ALO

G_R

EF

32

ES

D8V

0L2B

-03L

CR

13:B

EM

G1

AN

D E

MG

2

A/D

INP

UTS

= 0

-3V

EE

G IN

PU

TS =

+/-1

50uV

(300

uVpp

)To

tal g

ain

= 3V

/ 30

0uV

= 1

0,00

0

58

9-IN

10

7

63

2+I

N1

4

AD

8553

U13

1

58

9-IN

10

7

63

2+I

N1

4

AD

8553

U31

1054417, VER. 01PAGE 60


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OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F8

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

AG

ND

AN

ALO

G_R

EF

EM

G3-

.01uF

C53AG

ND

.01uF

C52

R90

2M

R79

2MAG

ND

AG

ND

R80

3.92

K

A=5

00

R10

6

976K

R11

1

2.37

K

+3.3

V_A

NA

AG

ND

AG

ND

A=5

AG

ND

+3.3

V_A

NA

EM

G3

A=1

EM

G3+

AG

ND

8200

pF

C17

7

8200

pF

C16

6

1000pF

C202

AG

ND

120p

F

C50

R70

9.53K

.01uF

C90

AG

ND

.47uF

C80

R71

39.2K

.01uF

C68

AG

ND

C49

10uF

10V

AN

ALO

G_R

EF

AN

ALO

G_R

EF

EM

G3

32

ES

D8V

0L2B

-03L

CR

5:B

100pF

C189AG

ND

100pF

C188

31

ES

D8V

0L2B

-03L

CR

5:A

AG

ND

+3.3

V_A

NA

1UF

C678

11410 9

AD

8609

U13

:C

+3.3

V_A

NA

AG

ND

R93

56.2

K

A=4 +3

.3V

_AN

A

AN

ALO

G_R

EF

R10

5

10MR92

13.7

K

23J7

:W

24J7

:X

R23

3

1.00

K

R23

1

1.00

K

AG

ND

58

9-IN

10

7

63

2+I

N1

4

AD

8553

U14

.47uF

C64A

GN

D

1

1143 2

AD

8609

U13

:A

7

1145 6

AD

8609

U13

:B

.1uF

C48

R77

7.87

K

14

11412 13

AD

8609

U13

:D

+3.3

V_A

NA

PAGE 611054417, VER. 01


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F9

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

AG

ND

.01uF

C75

AG

ND

AG

ND

220pF

C17

AG

ND

AG

ND

R13

510

AG

ND

R172

100K

R16

5

332K

AG

ND

.1uF

C104

AG

ND

R16

7

332K

AG

ND

+3.3

V_A

NA

AG

ND

R483

100K

R487

1M

AG

ND

AG

ND

AG

ND

AG

ND

R52

100K

R19

100K

.1uF

C119

AG

ND

R163

56.2K

.1uF

C109

AG

ND

R173

1M

+3.3

V_A

NA

AG

ND

.1uF

C11

2

R17

6

332K

R18

1

10.0

K

IND

UC

TIV

E E

FFO

RT

BE

LT #

1

AN

ALO

G_R

EF

IND

_BE

LT_1

_GO

OD

IND

_BE

LT_1

AG

ND

R479

2.2M

.01uF

C85

AG

ND

+3.3

V_A

NA

AG

ND

.1uF

C103

R16

6

332K

LOW

WH

EN

BE

LTN

OT

CO

NN

EC

TED

AG

ND

.1uF

C105

1UF

C11

7

1

1143 2

AD

8609

U21

:A

+3.3

V_A

NA

+3.3

V_A

NA

32 1

J13

.1uF

C110

4

253 1

NJU

7109

F3U

19R

481

510

.1uF

C115

22PF

C113

+3.3

V_A

NA

R17

7

10.0

K

R18

2

ZER

O

7

1145 6

AD

8609

U21

:B

+3.3

V_A

NA

1G

ND

3O

UT

2TR

IG

4R

S

6TS

HLD

8V

CC

7D

SC

H

5C

RTL

LMC

555C

M

U20

+3.3

V_A

NA

+3.3

V_A

NA

IND

UC

TIV

E E

FFO

RT

BE

LT #

1

1

483 2

AD

8607

AR

M-R

2U

121:

A

1054417, VER. 01PAGE 62


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PR

BY

:

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N B

Y:

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OC

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S:

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OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F10

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

.022uF

C86

AG

ND

R171

100K

R16

8

332K

AG

ND

.1uF

C107

AG

ND

R164

82.5K

R17

0

332K

AG

ND

AG

ND

R174

1M

AG

ND

.022uF

C76

R120

100K

R119

100K

220pF

C27.1uF

C120

R118

510

AN

ALO

G_R

EF

AG

ND

IND

UC

TIV

E E

FFO

RT

BE

LT #

2R

482

510

AG

ND

+3.3

V_A

NA

AG

ND

.1uF

C106

R16

9

332K

AG

ND

.1uF

C108

1UF

C11

8

R484

100K

+3.3

V_A

NA

R488

1M

+3.3

V_A

NA

+3.3

V_A

NA

AG

ND

+3.3

V_A

NA

IND

_BE

LT_2

32 1

J15

R480

2.2M

4

253 1

NJU

7109

F3U

34

.1uF

C121

.1uF

C116

1G

ND

3O

UT

2TR

IG

4R

S

6TS

HLD

8V

CC

7D

SC

H

5C

RTL

LMC

555C

M

U27

AG

ND

22PF

C114

R17

8

10.0

K

8

11410 9

AD

8609

U21

:C

R18

0

10.0

K

R18

5

ZER

O

14

11412 13

AD

8609

U21

:D

IND

_BE

LT_2

_GO

OD

+3.3

V_A

NA

+3.3

V_A

NA

IND

UC

TIV

E E

FFO

RT

BE

LT #

2

.1uF

C11

1

R17

5

332K

7

485 6

AD

8607

AR

M-R

2U

121:

B

PAGE 631054417, VER. 01


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F11

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

A =

3.1

5

A =

2

AG

ND

AG

ND

+5V

1000pF

C70

AG

ND

AG

ND

1000pF

C78

680p

F

C9

AG

ND

R12

5

10.0

K100p

F

C20

7

AG

ND

+3.3

V_A

NA

A =

50

+3.3

V_A

NA

.47uF

C14

A =

1

R11

6

52.3

K

R11

3

52.3

K

+3.3

V_A

NA

R11

4

27.4

K

AG

ND

R11

5

64.9

K

AG

ND

R202

3.01K

R199

2.00K

AG

ND

10uF

C122

.1uF

C60

1000pF

C136.1uF

C124

R8

4.12

K

AG

ND

+5V

R9

169K

R121

2.49K

AG

ND

AG

ND

AG

ND

AG

ND

6800

pF

C14

4

1000

pF

C14

8

PR

ES

S_A

NA

LOG

AN

ALO

G_R

EF

BU

FF_P

RE

SS

_SD

A

AN

ALO

G_R

EF

A =

82

PR

ES

S_R

ES

P

A =

5

R87

10.0K

FL =

194

Hz

AG

ND

BU

FF_P

RE

SS

_SC

L

AG

ND

.47u

F

C81

.01u

F

C88

AG

ND

AN

ALO

G_R

EF

+3.3

V_A

NA

.01u

F

C14

6A

GN

DR

28

21.5

K

AG

ND

AG

ND

R47

14.0

K

R54

232K

+3.3

V_A

NA

+3.3

V_A

NA

AN

ALO

G_R

EF

AG

ND

7

1145 6

AD

8609

U23

:B

10.0

K

R27

+3.3

V_A

NA

AN

ALO

G_R

EF

AG

ND

A =

4

R11

7

54.9

K

+3.3

V_A

NA

1000pF

C135

.1uF

C63

R95

10.0K

C99

10uF

10V

100pF

C208.01uF

C209

R17

10M

.47u

F

C13

1

.22u

F

C1

R33

511K

1000pF

C204

R69

69.8

K

R12

10.0

K

.22uF

C149

.15uF

C147

1

1143 2

AD

8609

U23

:A

8

11410 9

AD

8609

U23

:C

14

11412 13

AD

8609

U23

:DP

RE

SS

_SN

OR

E

1

483 2

U17

:A

AD

8607

AR

M-R

2

R11

2

13K

PR

ES

SE

NS

OR

& S

NO

RE

AM

P

58

9-IN

10

7

63

2+I

N1

4

AD

8553

U18

7

485 6

U17

:B

AD

8607

AR

M-R

2

4B

OU

T-8

BO

UT+

1+V

S5

SC

L2

VO

UT

3G

ND

6V

PP

7S

DA

SZ7

6105

AS

DX

001D

44R

MT1

1054417, VER. 01PAGE 64


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F12

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

MIC

RO

_RX

MIC

RO

_TX

MIC

RO

_CTS

Spa

re

SH

LD

GN

D

Dat

a

RTS

CTS

6J1

4:F

5J1

4:E

4J1

4:D

9J1

4:I

7J1

4:G

8J1

4:H

DG

ND

+3.3

V_D

IG

R327

100K

+3.3

V_D

IG

R328

100K

R330

100K

R336

100K

AG

ND

AG

ND

MIC

RO

_RTS

Dat

a

1J1

4:A

2J1

4:B

3J1

4:C

R334

100K

1000pF

C217

.1uF

C205

AG

ND

AG

ND

CA

BLE

_TY

PE

_1

MIC

RO

_CTS

Cab

le S

ense

2

Cab

le S

ense

1

R33

1

1.00

K

1000

OH

MS

@ 1

00 M

HZ

E4

R32

6

1.00

K

1000

OH

MS

@ 1

00 M

HZ

E3

R33

3

1.00

K

DG

ND

R329

100K

MIC

RO

_RX

MIC

RO

_TX

213

ES

D8V

0L2B

-03L

CR

37

MIC

RO

_RTS

Cab

le S

ense

0

1000pF

C216

R32

5

1.00

K

1000

OH

MS

@ 1

00 M

HZ

E5

R33

2

1.00

K

R32

3

1.00

K

R32

4

1.00

KR335

100K

.1uF

C206

.1uF

C215

213

ES

D8V

0L2B

-03L

CR

39

213

ES

D8V

0L2B

-03L

CR

38

213

ES

D8V

0L2B

-03L

CR

36

CA

BLE

_TY

PE

_2

CA

BLE

_TY

PE

_1

11J1

4:K

SE

RIA

L P

OR

T

CA

BLE

_TY

PE

_0

10J1

4:J

PAGE 651054417, VER. 01


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

AN

ALO

G B

OA

RD

SH

EE

TO

F13

13E

DM

SE

DM

SE

DM

SE

DM

S

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

923

S10

4192

35

PP

13

PP

12

PP

11

SP

O2_

RX

SP

O2_

TX

SP

O2_

RS

T

PP

G

PP

16

PP

15

PP

14

PP

G

EM

G3

EM

G2

EM

G1

EC

G_V

EC

G_I

I

EC

G_I

DG

ND

DG

ND

DG

ND

AG

ND

AG

ND

AG

ND

AG

ND

AG

ND

.01uF

C150

.1uF

C211

AG

ND

DG

ND

DG

ND

.01uF

C214

DG

ND

R322

4.32K

+3.3

V_D

IG

AG

ND

.1uF

C190

.1uF

C192

.1uF

C194

.1uF

C196

SE

NS

OR

_TY

PE

_2

AN

ALO

G_R

EF

SP

O2_

TX

SP

O2_

RX

SP

O2_

RS

T

EE

G_N

3_A

2

BU

FF_P

RE

SS

_SD

A

PR

ES

S_A

NA

LOG

BU

FF_P

RE

SS

_SC

L

AN

ALO

G_R

EF

AC

T_U

AR

T_TX

AC

T_U

AR

T_R

X

/AC

T_G

OO

D

/EX

G_G

OO

D

EE

G_R

1_R

2

EE

G_N

4_A

2

EE

G_N

2_A

1

EE

G_N

1_A

1

/EC

G_G

OO

D

TO S

PO

2(D

B-9

)

19J1

:S18

J1:R

20J1

:T

16J1

:P15

J1:O

14J1

:N

12J1

:L11

J1:K

10J1

:J

8J1

:H

6J1

:F

7J1

:G

4J1

:D

2J1

:B

3J1

:C

+3.3

V_D

IG

AG

ND

AG

ND

AG

ND

AG

ND

18J2

:R

19J2

:S

20J2

:T

14J2

:N

15J2

:O

16J2

:P

10J2

:J

11J2

:K

12J2

:L

8J2

:H7

J2:G

6J2

:F

4J2

:D3

J2:C

2J2

:B

TO D

IGIT

AL

BR

D C

ON

N 2

+3.3

V_A

NA

DG

ND

.1uF

C210

.01uF

C213

+3.3

V_A

NA

.1uF

C212

+3.3

V_D

IG

SP

O2

DG

ND

17J1

:Q

13J1

:M

9J1

:I

5J1

:E

1J1

:A

17J2

:Q

13J2

:M

+5V

9J2

:I

5J2

:E

1J2

:A

AG

ND

7 83 4 51 2 6

91012131416 15 11

J35

OE

M_I

II

.1uF

C191

.1uF

C193

.1uF

C195

.1uF

C197

SE

NS

OR

_TY

PE

_2

PR

ES

S_S

NO

RE

CA

BLE

_TY

PE

_0

IND

_BE

LT_2

_GO

OD

CA

BLE

_TY

PE

_2

IND

_BE

LT_2

CA

BLE

_TY

PE

_1

IND

_BE

LT_1

MIC

RO

_CTS

PR

ES

S_R

ES

P

MIC

RO

_RTS

IND

_BE

LT_1

_GO

OD

MIC

RO

_TX

MIC

RO

_RX

9J4

6:I

R32

2 se

lect

s P

ulse

Ox

data

form

at.

Form

at 1

, R33

2 =

0Fo

rmat

2, R

332

= O

pen

Form

at 7

, R33

2 =

4.3K

+/-5

%

8J4

6:H

7J4

6:G

LED

Driv

e -

5J4

6:E

LED

Driv

e +

Pho

to D

iode

Bia

s

Sen

sor T

ype

1

3J4

6:C

2J4

6:B

Pho

to D

iode

1J4

6:A

TO D

IGIT

AL

BR

D C

ON

N 1

20J3

:T19

J3:S

18J3

:R

15J3

:O14

J3:N

16J3

:P

11J3

:K10

J3:J

12J3

:L

8J3

:H

6J3

:F

7J3

:G

4J3

:D

2J3

:B

3J3

:C

TO D

IGIT

AL

BR

D C

ON

N 3

4J4

6:D

6J4

6:F

17J3

:Q

13J3

:M

9J3

:I

5J3

:E

1J3

:A

1054417, VER. 01PAGE 66


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

DIG

ITA

L B

OA

RD

SH

EE

TO

F1

6

ED

MS

ED

MS

ED

MS

ED

MS

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

924

S10

4192

48

Fh =

.033

Hz

BW

= 5

0Hz

VR

EF

AG

ND

+3.3

V_A

NA

AG

ND

R13

1.00

K

AG

ND

AG

ND

C3

100p

F

+3.3

V_A

NA

AG

ND

AG

ND

R79

1M

PR

ES

S_R

ES

P

IND

_BE

LT_2

IND

_BE

LT_1

THE

RM

ISTO

R

AG

ND

AG

ND

AG

ND

R92 100

AG

ND

.1uF

C64

2

3

1 J6

+3.3

V_A

NA

R137

33.2K

R145

10M

AG

ND

.1uF

C51

AG

ND

R71 1M

.1uF

C26

10uF

C22

THE

RM

_GO

OD

AD

XL_

ST

AN

ALO

G_R

EF

VR

EF

AN

ALO

G_R

EF

R1

100

THE

RM

ISTO

R

R12

100K

.1uF

C54AG

ND

213

CR

1

ES

D8V

0L2B

-03L

R14

6

2M

AG

ND

R29

3

10.0

K

FL =

159

Hz

C16

6.1

uF16

VA

= 2

1

+3.3

V_A

NA

AG

ND

.01uF

C49

+3.3

V_A

NA

AG

ND

AG

ND

+3.3

V_A

NA

AG

ND

AG

ND

AD

C_/

CS

SC

K2

SD

I2

SD

O2

10uF

C67

AG

ND

.01uF

C55

C21

0

.47u

F

.1uF

C50

AG

ND

AG

ND

.1uF

C52

.1uF

C53

AG

ND

1

483 2

U38

:A AD

8607

AR

M-R

2

R294

100K

.1uF

C211

7

485 6

U38

:B AD

8607

AR

M-R

2

AN

ALO

G R

EF

10uF

C23

7C

H6

8C

H7/

CO

M

5C

H4

6C

H5

3C

H2

4C

H3

1C

H0

2C

H1

9R

EFC

OM

P

10V

RE

F

12S

CK

11C

S/C

ON

V

14S

DI

16V

DD

15G

ND

13S

DO

U30

LTC

1867

L

.01uF

C1

10uF

C32

BO

DY

_PO

SIT

ION

_Z

BO

DY

_PO

SIT

ION

_Y

BO

DY

_PO

SIT

ION

_X

THE

RM

ISTO

R

R15

5

100K

+3.3

V_A

NA

THE

RM

ISTO

R, A

NA

LOG

RE

F &

AC

CE

LER

OM

ETE

R

2S

T

5C

OM

6C

OM

7C

OM

14V

S15

VS

8ZO

UT

12X

OU

T3

CO

M10

YO

UT

U18

AD

XL3

30

PAGE 671054417, VER. 01


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

DIG

ITA

L B

OA

RD

SH

EE

TO

F2

6

ED

MS

ED

MS

ED

MS

ED

MS

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

924

S10

4192

48

+5V

_CTR

LB

ATT

_GO

OD

PG

ND

.01uF

C24

PG

ND

1MR49

5

PG

ND

PG

ND

R242

1.02M

PG

ND

DG

ND

PG

ND

PG

ND

VB

ATTDG

ND

PG

ND

PG

ND

R3

100K

DG

ND

+3.3

V_D

IG

AG

ND

+3.3

V_A

NA

SP

AR

ES

DG

ND

AG

ND

100K

R49

1

100K

R49

21MR49

8

PG

ND

PG

ND

R244

200K

PG

ND

AG

ND

10uF

C146

PG

ND

PG

ND

.1uF

C192

R236

200K

R237

340K

R205

200K

R232

340K

+3.3

V_D

IG

.1uF

C150

.1uF

C149

1MR49

7A

GN

D

1MR49

6

10uF

C140

VB

ATT

AG

ND

BA

T_M

ON

PG

ND

PG

ND

R238

60.4K

R241

200K

PG

ND

R231

60.4K

AG

ND

+3.3

V_A

NA

10uF

C147

10uF

C148

22PF

C151

R243

3.24M

+5V

C14

3

.015

uF

R23

9

15.0

K

R23

3

15.0

K

PG

ND

+5V

A

R315

100K

PG

ND

PO

WE

R

10uF

C137

+3.3

V_A

NA

10uF

C145

7

4S

H

3V

IN

1S

W

2G

ND

5FB

6V

OU

T

U6

LTC

3526

B

10uH

L3

R204

200K

7

485 6

U39

:B AD

8607

AR

M-R

2

E17

1000 OHMS @ 100 MHZ

C14

2

.015

uF

E19

1000 OHMS @ 100 MHZ

.1uF

C193

10uF

C141

10uF

C144

10uF

C138

10uF

C139

PG

ND

+3.3

V_D

IG

5

43

Q4:

BFD

G63

03N

1V

DD

2G

ND

3V

SE

T14

VS

ET2

5V

SE

T3

6R

ST /

MR

U7

ISL8

8016

+3.3

V_C

TRL

L2 10uH

E18

1000

OH

MS

@ 1

00 M

HZ

E16

1000

OH

MS

@ 1

00 M

HZ

1

483 2

U39

:A AD

8607

AR

M-R

2

4S

W2

2M

OD

E/S

YN

C10

VC

8S

HD

N/S

S9

FB

3S

W1

1R

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16

Q4:

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GN

DG

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ND

)

1054417, VER. 01PAGE 68


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

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DS

PIC

33FJ

256G

P71

0

PAGE 691054417, VER. 01


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

ING

NO

.

1:1

Alic

e P

Dx

DIG

ITA

L B

OA

RD

SH

EE

TO

F

ED

MS

ED

MS

ED

MS

ED

MS

F.P

AS

CA

RE

LLA

2-20

-07

SC

HE

MA

TIC

Alic

e P

Dx

PA

RT

NO

.

RE

V.

1041

924

S10

4192

48

R120

1.00K

+3.3

V_D

IG

+3.3

V_D

IG

DG

ND

R26

6

3.01

K

DG

ND

+3.3

V_D

IG

DG

ND

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1.00K

.1uF

C195

DG

ND

DG

ND

DG

ND

R117

100K

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A

.1uF

C194

R118

4.53K

R119

4.53K

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T_U

AR

T_IR

Q

PR

ES

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DA

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S_S

CL

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AR

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AR

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X

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7IR

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14

N.C

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L

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0

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OR

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BU

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SS

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+3.3

V_D

IG

1054417, VER. 01PAGE 70


AP

PR

BY

:

DR

N B

Y:

CH

K B

Y:

PR

OC

ES

S:

PR

OD

UC

T LI

NE

:

SIZ

E

SC

ALED

TITL

E:

DR

AW

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e P

Dx

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ITA

L B

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SH

EE

TO

F

ED

MS

ED

MS

ED

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ED

MS

F.P

AS

CA

RE

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2-20

-07

SC

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MA

TIC

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Dx

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RT

NO

.

RE

V.

1041

924

S10

4192

48

PP

13

PP

12

PP

11

PP

16

PP

15

PP

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EM

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17

EC

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G_I

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.1uF

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ND

AG

ND

+5V

A+5

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C179

PG

ND

PG

ND

DG

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DG

ND

AG

ND

.1uF

C13

R121

100K

AG

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4.53K

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PW

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1:M

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TO A

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LOG

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DG

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1000

OH

MS

@ 1

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HZ

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1000

OH

MS

@ 1

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HZ

13P

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E11

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1000

OH

MS

@ 1

00 M

HZ

E11

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1000

OH

MS

@ 1

00 M

HZ

9P

4:I

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C

1000

OH

MS

@ 1

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1000

OH

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@ 1

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To F

lex

Circ

uit

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rd C

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ctor

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GN

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PC

A93

06

R6

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MIC

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T_U

AR

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X

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1000

OH

MS

@ 1

00 M

HZ

E12

:D

1000

OH

MS

@ 1

00 M

HZ

20P

2:T

E11

:B

1000

OH

MS

@ 1

00 M

HZ

16P

2:P

17P

2:Q

18P

2:R

E10

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1000

OH

MS

@ 1

00 M

HZ

14P

2:N

12P

2:L

13P

2:M

10P

2:J

9P

2:I

8P

2:H

E9:

B

1000

OH

MS

@ 1

00 M

HZ

6P

2:F

5P

2:E

4P

2:D

2P

2:B

1P

2:A

TO A

NA

LOG

BR

D C

ON

N 1

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1000

OH

MS

@ 1

00 M

HZ

14

23

DLW

31S

N60

1SQ

2L

L5

15P

2:O

19P

2:S

E11

:D

1000

OH

MS

@ 1

00 M

HZ

E12

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1000

OH

MS

@ 1

00 M

HZ

E10

:D

1000

OH

MS

@ 1

00 M

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00 M

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14

23

DLW

31S

N22

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TO A

NN

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G B

RD

CO

NN

2

PAGE 711054417, VER. 01


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03N

1054417, VER. 01PAGE 72


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PR

BY

:

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N B

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CH

K B

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PR

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S:

PR

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5:J

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PG

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@ 1

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OH

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@ 1

00 M

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1000

OH

MS

@ 1

00 M

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E5:

C

1000

OH

MS

@ 1

00 M

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E4:

B

1000

OH

MS

@ 1

00 M

HZ

E5:

D

1000

OH

MS

@ 1

00 M

HZ

E5:

A

1000

OH

MS

@ 1

00 M

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E2:

B

1000

OH

MS

@ 1

00 M

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E3:

C

1000

OH

MS

@ 1

00 M

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A

1000

OH

MS

@ 1

00 M

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12

SW

ITC

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8J2

6:H

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10J2

6:J

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6:B

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2 3

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1

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YK

CG

KC

-F01

PAGE 731054417, VER. 01



1054417, VER. 01PAGE 74


REORDER NO. 1054417, VER. 01TMF 05/28/2008

Alice® PDxTM

Service & Technical Reference Manual

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Service & Technical Reference Manual · ACTIMETRY UART (U1) ... well as for follow-up and diagnostic assessment. The device may be used in a sleep lab or clinical setting by ... one