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SERVICE MANUAL LCD Color Television 32AV502U Rev.1 This model is classified as a green product (*1), as indicated by the underlined serial number. This Service Manual describes replacement parts for the green product. When repairing this green product, use the part(s) described in this manual and lead-free solder (*2). For (*1) and (*2), refer to GREEN PRODUCT PROCUREMENT and LEAD-FREE SOLDER. © TOSHIBA CORPORATION 2009 For Technical Bulletins, Technical Tips, or other information regarding the service of this model, visit the Toshiba America Consumer Products National Service Division website at: www7.toshiba.com

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Page 1: 32AV502U_SVM

SERVICE MANUAL

LCD Color Television

32AV502U Rev.1

This model is classified as a green product (*1), as indicated by the underlined serial number.

This Service Manual describes replacement parts for the green product. When repairing this

green product, use the part(s) described in this manual and lead-free solder (*2).

For (*1) and (*2), refer to GREEN PRODUCT PROCUREMENT and LEAD-FREE

SOLDER.

© TOSHIBA CORPORATION 2009

For Technical Bulletins, Technical Tips, or other information regarding theservice of this model, visit the Toshiba America Consumer Products NationalService Division website at:

www7.toshiba.com

Page 2: 32AV502U_SVM

IMPORTANT NOTICE

WARNING: Do not modify or alter the information or data provided herein without prior written consent by Toshiba. Toshiba shall not be liable to anybody for any damages, losses, expenses or costs, if any, incurred in connection with or as a result of such modification or alteration. THE INFORMATION OR DATA HEREIN SHALL BE PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Toshiba shall not be liable for any damages, losses, expenses or costs, if any, incurred in connection with or as a result of use of any information or data provided herein.

GREEN PRODUCT PROCUREMENT

The EC is actively promoting the WEEE & RoHS Directives that define standards for recycling and reuse of Waste Electrical and Electronic Equipment and for the Restriction of the use of certain Hazardous Substances. From July 1, 2006, the RoHS Directive will prohibit any marketing of new products containing the restricted substances.

Increasing attention is given to issues related to the global environmental. Toshiba Corporation recognizes environmental protection as a key management tasks, and is doing its utmost to enhance and improve the quality and scope of its environmental activities. In line with this, Toshiba proactively promotes Green Procurement, and seeks to purchase and use products, parts and materials that have low environmental impacts.

Green procurement of parts is not only confined to manufacture. The same green parts used in manufacture must also be used as replacement parts.

LEAD-FREE SOLDER

WARNING: This product is manufactured using lead-free solder as a part of a movement within the consumer products industry at large to be environmentally responsible. Lead-free solder must be used in the servicing and repair of this product.

The melting temperature of lead-free solder is higher than that of leaded solder by 86ºF to 104ºF (30ºC to 40ºC). Use of a soldering iron designed for lead-based solders to repair product made with lead-free solder may result in damage to the component and or PCB being soldered. Great care should be made to ensure high-quality soldering when servicing this product especially when soldering large components, through-hole pins, and on PCBs as the level of heat required to melt lead-free solder is high.

SAFETY INSTRUCTION

WARNING: Before servicing this chassis, read the "Safety Precaution" and "Product Safety Notice" instructions below.

Safety Precaution WARNING: Servicing should not be attempted by anyone unfamiliar with the necessary precautions on this receiver. The following are the necessary precautions to be observed before servicing this chassis.

1. An isolation transformer should be connected in the power line between the receiver and the AC line before any service is performed on the receiver.

2. Always disconnect the power plug before any disassembling of the product. It may result in electrical shock.

3. When replacing a chassis in the cabinet, always be certain that all the protective devices are put back in place, such as nonmetallic control knobs, insulating covers, shields, isolation resistor-capacitor network, etc.

4. Always keep tools, product components, etc. away from children as these items may cause injury.

5. Depending on the model, use an isolation transformer or wear suitable gloves when servicing with the power on. Disconnect the power plug to avoid electrical shock when replacing parts. In some cases, alternating current is also impressed in the chassis, so electrical shock is possible if the chassis is contacted with the power on.

6. Always use the replacement parts specified for the particular model when making repairs. The parts used in products require special safety characteristics such as inflammability; voltage resistance, etc. therefore, use only replacement parts

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Page 3: 32AV502U_SVM

that have these same characteristics. Use only the specified parts when the mark is indicated in the circuit diagram or parts list.

7. Part mounting and wire routing should be the same as that used originally. For safety purposes, insulating materials such as isolation tubes or tape are sometimes used and printed circuit boards are sometimes mounted floating. Also make sure that wiring is routed and clamped to avoid parts that generate heat or use high voltage. Always follow the manufactures wiring routes / dressings.

8. Always ensure that all internal wirings are in accordance before re-assembling the external casing after a repair is completed. Do not allow internal wiring to be pinched by cabinets, panels, etc. Any error in reassembly or wiring can result in electrical leakage, flame, etc., and may be hazardous.

9. NEVER remodel the product in any way. Remodeling can result in improper operation, malfunction, electrical leakage, or flame, which may be hazardous.

10. Always perform an AC leakage current check on the exposed metallic parts of the cabinet such as antennas, terminals, screw heads, metal overlays, control shafts, etc. to be sure that the set is safe to operate without any danger of electrical shock before returning the set to the customer.

11. To check leakage current: (After completing the work, measure the leakage current to prevent an electrical shock.)

• Plug the AC line cord directly into a 120V AC outlet. Do not use an isolation transformer for this check.

• Use an AC voltmeter having 5000 ohms per volt or more sensitivity in the following manner.

Connect a 1500 ohm 10 watt resistor, paralleled by a 0.15 µF, AC type capacitor, between a known good earth ground (water pipe, conduit, etc.) and the exposed metallic parts, one at a time. Measure the AC voltage across the combination of 1500 ohm resistor and 0.15 µF capacitor. Reverse the AC plug at the AC outlet and repeat AC voltage measurements for each exposed metallic part. Voltage measured must not exceed 0.3 volts rms. This corresponds to 0.2 milliamps AC. Any value exceeding this limit constitutes a potential shock hazard and must be corrected immediately.

Product Safety Notice Many electrical and mechanical parts in this chassis have special safety-related characteristics. These characteristics are often overlooked in a visual inspection. The protection afforded by them cannot necessarily be obtained by using replacement components rated for higher voltage, wattage, etc. Replacement parts which have these special safety characteristics are identified in this manual and its supplements. Electrical components having such features are identified by the international hazard symbols on the schematic diagram and the parts list. Before replacing any of these components, read the parts list in this manual carefully. The use of substitute replacement parts which do not have the same safety as specified in the parts list may create electrical shock, fire, or other hazards.

SAFETY INSTRUCTION

WARNING: The metal edges of the LCD module are sharp, handle it with care.

The LCD module can easily be damaged during disassembly or reassembly; therefore, always observe the following precautions when handling the module.

1. In the event that the screen is damaged or the liquid crystal (fluid) leaks, do not breathe in, drink, or touch this fluid. Such actions could cause toxicity or skin irritation. If this fluid should enter the mouth, rinse the mouth thoroughly with water. If the

2

Page 4: 32AV502U_SVM

fluid should contact the skin or clothing, wipe off with alcohol, etc., and rinse thoroughly with water. If the fluid should enter the eyes, immediately rinse the eyes thoroughly with running water.

2. When attaching the LCD module to the LCD cover, position it appropriately and fasten at the position where the display can be viewed most conveniently.

3. Carefully align the holes at all four corners of the LCD module with the corresponding holes in the LCD cover and fasten with screws. Do not strongly push on the module because any impact can adversely affect the performance. Also use caution when handling the polarized screen because it can easily be damaged.

4. If the panel surface becomes soiled, wipe with cotton or a soft cloth. If this does not remove the soiling, breathe on the surface and then wipe again. If the panel surface is extremely soiled, wipe the panel surface with CRT cleaner sprayed onto the cloth. Do not spray the cleaner on the panel. Pay attention not to scratch the panel surface.

5. Leaving water or other fluids on the panel for an extended period of time can result in discoloration or stripes. Immediately remove any type of fluid from the screen.

6. Glass is used in the panel construction. Damage can occur if dropped or struck with hard objects.

3

Page 5: 32AV502U_SVM

7. CMOS-LSI circuitry is used in the LCD module, so avoid damage due to static electricity. When handling the module, use a wrist ground or anchor ground.

8. Do not expose the LCD module to direct sunlight or strong ultraviolet rays for extended periods.

9. Do not store the LCD module below the temperature conditions described in the specifications. Doing so could result in freezing of the liquid crystal, loss of resilience, or other damage.

10. Do not disassemble the LCD module. Such actions could result in improper operation.

11. When transporting the LCD module, do not use packing containing epoxy resin (amine) or silicon resin (alcohol or oxim). The gas generated by these materials can cause loss of polarity.

4

Page 6: 32AV502U_SVM

Keypad Main Board Power board Panel module

Keypad-7P KEY/IR -14P LVDS -2x15P AX094B002A1 PWR_KEY 1 PWR_KEY 1 GND PANEL-FX15S-41S-0.5SH2 MENU 2 MENU 2 VLCD 1 VDD3 CH+ 3 CH+ 3 Tx4+ 2 VDD4 CH- 4 CH- 4 VLCD 3 VDD5 VOL+ 5 VOL+ 5 Tx4- 4 VDD6 VOL- 6 VOL- 6 VLCD Power supply - 16P Power supply -16P Inverter -14P Inverter -14P 5 VDD7 INPUT/EXIT 7 INPUT/EXIT 7 Tx3+ 1 GND 1 GND 1 +24Vinv 1 +24Vinv 6 VDD8 GND 8 GND 8 VLCD 2 GND 2 GND 2 +24Vinv 2 +24Vinv 7 GND

9 LED-G 9 Tx3- 3 24Vaud 3 24Vaud 3 +24Vinv 3 +24Vinv 8 GND10 LED-R 10 GND 4 24Vaud 4 24Vaud 4 +24Vinv 4 +24Vinv 9 GND

IR board 11 LED-C 11 Tx2+ 5 GND 5 GND 5+24Vinv

5+24Vinv

10 GND12 GND 12 GND 6 GND 6 GND 6 GND 6 GND 11 GND

IR board -6P 13 IR_DATA 13 Tx2- 7 GND 7 GND 7 GND 7 GND 12 GND1 5V_STANDBY 14 5V_STANDBY 14 GND 8 12VCCIN 8 12VCCIN 8 GND 8 GND 13 Rx0-2 LED-G 15 Tx1+ 9 12VCCIN 9 12VCCIN 9 GND 9 GND 14 Rx0+3 LED-R 16 GND 10 5V_IN 10 5V_IN 10 GND 10 GND 15 GND4 LED-C 17 Tx1- 11 5V_IN 11 5V_IN 11 ERR 11 ERR 16 Rx1-5 IR_DATA 18 GND 12 GND 12 GND 12 On/Off 12 On/Off 17 Rx1+6 GND 19 GND 13 POWER_EN 13 POWER_EN 13 BRT 13 BRT 18 GND

20 GND 14 POWER GOOD 14 POWER GOOD 14 IC 14 IC 19 Rx2-21 TxCLK+ 15 BL_BR_CNTRL 15 BL_BR_CNTRL 20 Rx2+

Side IO board 22 EXT_VBR_B 16 BKLT_EN 16 BKLT_EN Inverter -12P Inverter -12P 21 GND

23 TxCLK- 1 +24Vinv 1 +24Vinv 22 CLK-Side IO board -2x3P Side IO board -2x3P 24 DCR_VBR_B 2 +24Vinv 2 +24Vinv 23 CLK+1 CVBS 1 GND 25 GND 3 +24Vinv 3 +24Vinv 24 GND2 GND 2 R 26 LVDS_SEL 4 +24Vinv 4 +24Vinv 25 Rx3-3 L 3 GND 27 Tx0+ 5 +24Vinv 5 +24Vinv 26 Rx3+4 GND 4 L 28 BIT_SEL 6 GND 6 GND 27 GND5 R 5 GND 29 Tx0- 7 GND 7 GND 28 IC (Internally Connected Keep Open)6 GND 6 CVBS 30 DCR/BRT 8 GND 8 GND 29 IC (Internally Connected Keep Open)

AC In 9 GND 9 GND 30 IC (Internally Connected Keep Open)1 Line 10 GND 10 GND 31 IC (Internally Connected Keep Open)2 NC 11 NC 11 NC 32 IC (Internally Connected Keep Open)3 Line 12 NC 12 NC 33 IC (Internally Connected Keep Open)

34 IC (Internally Connected Keep Open)35 IC (Internally Connected Keep Open)

Speaker -4P 36 IC (Internally Connected Keep Open)1 LCH+ 37 IC (Internally Connected Keep Open)

Speaker 2 LCH- 38 IC (Internally Connected Keep Open)3 RCH- 39 IC (Internally Connected Keep Open)

L Speaker 4 RCH+ 40 IC (Internally Connected Keep Open)1 LCH+ 41 IC (Internally Connected Keep Open)2 LCH-R Speaker1 RCH-2 RCH+

5

Page 7: 32AV502U_SVM

Audio switchAK4682EQ

DTV system ICZR39770

Supra HD-770

Flash RAMM25P32-VFM

DDR2 512MNT5TU32M16CG-25C

TunerENG36E32KF

HDMI2 PC

Panel out

Main Board

HDMI 1Composite

IN

Key

pad

IR

AudioAMP

TPA3121D2

I2S out

Audio I2S input

SIF

Tuner_CVBS

IF P/N

LVD

Sou

t

R_out

L_out

S/PDIF

CVBS

Y/C input

PrPbY

AudioIN/OUT

SPDIFOUT

24LC02

PrPbY

R/Loutput

CVBS

UR

HD SWBA7657

Audio I2S output

MCUWT61P724LC02

COLOR STREAM HD1 INCOLOR STREAM HD2 IN

ANT/CABLE

TX /RX

Service

6

Page 8: 32AV502U_SVM

Power PCB

Main PCB

Inverter PCB

32AV502U

P801

Lamp Out

CN13(Not used in

later production)

CN10 Tuner

P803

P802

CN12

CN11

CN3

CN7

CN101

LVDS

Alt. LVDS (26 in)

7

Page 9: 32AV502U_SVM

Main

Power Supply

P803 P802 P801

CN12 CN11

CN10

CN3 CN7

CN5

CN9

L

N

Inverter1. 24V<2. 24V<3. 24V<4. 24V<5. 24V<6. Gnd7. Gnd8. Gnd9. Gnd10. Gnd11. NC12. BL On 5V<13. Dim 2 to 4V<14. Err

Power Supply In/Out1. Gnd2. Gnd3. 24V Aud<4. 24V Aud<5. Gnd6. Gnd7. Gnd8. 12V<9. 12V<10. 5V<**11. 5V<**12. 5V<**13. Pwr. On 4.3V>14. AC Det. .07V<15. Dim 2 to 4V>16. BL On 5V>

AC In

Power Supply In/Out Speakers

LED/IR1. LED G <2. LED B <3. Gnd4. 3.3V <5. IR >6. 5V <**

Manual Key1. Pwr >2. CH+ >3. CH- >4. V+ >5. V- >6. Menu >7. Source >8. Gnd

LVDS

Alt. LVDS (26 in)

Side AV In1. CVBS >2. Gnd3. Gnd4. L Aud >5. R Aud >

Wiring Interconnect 26/32/37AV502U, 26/37AV52U

KeyPin 1Flow <-out >-in

** Indicates Standby

8

Page 10: 32AV502U_SVM

Main Board Power board Panel moduleCN11 CN5

Keypad-8P KEY -8P LVDS -2x15P IPS-AX080A030B1 PWR_KEY 1 PWR_KEY 1 GND PANEL-FI-E41S2 CH+ 2 CH+ 2 VLCD 1 VDD3 CH- 3 CH- 3 LVDS_D4E_P 2 VDD4 VOL+ 4 VOL+ 4 VLCD 3 VDD5 VOL- 5 VOL- 5 LVDS_D4E_N CN3 4 VDD6 Menu 6 Menu 6 VLCD Power supply - 16P Power supply -16P Inverter -14P Inverter -14P 5 VDD7 SOURCE 7 SOURCE 7 LVDS_D3E_P 1 GND 1 GND 1 VBL 1 VBL 6 VDD8 GND 8 GND 8 VLCD 2 GND 2 GND 2 VBL 2 VBL 7 VSS

9 LVDS_D3E_N 3 24Vaud 3 24Vaud 3 VBL 3 VBL 8 VSS10 GND 4 24Vaud 4 24Vaud 4 VBL 4 VBL 9 VSS11 LVDS_D2E_P 5 GND 5 GND 5 VBL 5 VBL 10 VSS

CN10 12 GND 6 GND 6 GND 6 VSS 6 VSS 11 VSSSide IO board Side IO board 13 LVDS_D2E_N 7 GND 7 GND 7 VSS 7 VSS 12 VSS1 FL_AV_CVBS 1 FL_AV_CVBS 14 GND 8 12VCCIN 8 12VCCIN 8 VSS 8 VSS 13 RX0-2 GND 2 GND 15 LVDS_D1E_P 9 Panel power 9 Panel power 9 VSS 9 VSS 14 RX0+3 GND 3 GND 16 GND 10 Panel power 10 5V_IN 10 VSS 10 VSS 15 VSS4 L 4 L 17 LVDS_D1E_N 11 5V_IN 11 5V_IN 11 ERR 11 ERR 16 RX1-5 R 5 R 18 GND 12 5V_IN 12 5V_IN 12 On/Off 12 On/Off 17 RX1+

19 GND 13 POWER_EN 13 POWER_EN 13 BRT 13 BRT 18 VSS20 GND 14 POWER GOOD 14 POWER GOOD 14 IC 14 IC 19 RX2-21 LVDS_CE_P 15 VBR_OUT 15 VBR_OUT 20 RX2+22 EXT_VBR_B 16 BKLT_EN 16 BKLT_EN 21 VSS

CN12 23 LVDS_CE_N 22 CLK-IR board IR board 24 DCR_VBR_B 23 CLK+1 LED-G 1 LED-G 25 GND 24 VSS2 LED-B 2 LED-B 26 LVDS_SEL 25 RX3-3 GND 3 GND 27 LVDS_D0E_P 26 RX3+4 3V3SB 4 3V3SB 28 BIT_SEL 27 VSS5 IR_DATA 5 IR_DATA 29 LVDS_D0E_N 28 IC6 5VSUB 6 5VSUB 30 DCR/BRT 29 IC

AC In 30 IC1 Line 31 IC2 NC 32 IC3 Line 33 IC

34 IC

CN7 35 ICL Speaker Speaker -4P 36 IC1 SPK_OUTL+ 1 SPK_OUTL+ 37 IC2 SPK_OUTR- 2 SPK_OUTR- 38 ICR Speaker 3 SPK_OUTL- 39 IC1 SPK_OUTL- 4 SPK_OUTR+ 40 IC2 SPK_OUTR+ 41 IC

Side I/O board

IR board

Speaker

Keypad

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Page 11: 32AV502U_SVM

Is5 VDC present

at pins 10, 11, and 12 of P802 on the power supply

module when AC is applied?

Doesa 4.3 volt on off

signal appear at pin 13 of P802 when the

on/off button ispressed?

Yes

Suspect a problem withthe standby 5 volt supply

on the power supply supply module.

No

Is the Power Good

(AC Detect) level less than .07V at pin

14 of P802 when AC is

applied?

Yes No

Suspect a problem withthe power supply module.

Does the secondary

12 volt source appear at pin 8 of P802 when

the on/off button is pressed?

No

NoSuspect a problem with the SYSCON

circuit located on theMain module.

Yes

Yes

Suspect aproblem with the Main module.

Dead Set No Sound/ No

Picture

10

Page 12: 32AV502U_SVM

Whenthe input button

is pressed on the receiver or remote, is

the on screen display clear and

normal?

NOYES

Using the power distribution diagram, are the

voltages normal at P802 of the power supply

module?

NO

Suspect the power supply

module.

YES

Replace the Main Module.

No or distorted video

Does the back light function normally when the unit

is turned on?

YESNO

Troubleshoot for backlight problelms.

Isthe screen discolored

or does it have streaks or dark areas with no

signal input?

NO

If the LCD Control Board is available, try it. If this does not help,

replace the LCD display panel. ***

YES

Examples

*** Warranty Authorization required if display is replaced in warranty – Go to www7.toshiba.com for instructions.

Check for LVDS activity atCN5. If it is present suspect a

problem with the display control board (Tcon). If it is not present

replace the main PCB.

This signal viewed from LVDS connector referencing cold ground.

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Page 13: 32AV502U_SVM

Does the back light function and then turn

off?

YESNO

Is24 VDC present

at pins 1 through 5 of P803 on the power PCB

when the unit isturned

on?

YESNOReplace the Power supply

module.

Is 5VDC present at pin 16 of

P802 soon (.5 sec) after the unit is turned on?

YESNO

If it isavailable , try one or both inverters. If this

does not help, replace the LCD

display. ***

*** Warranty Authorization required if display is replaced in warranty – Go to www7.toshiba.com for instructions.

Backlight Troubleshooting

Replace the Main module.

12

Page 14: 32AV502U_SVM

Using the remote or

the manual keyboard, access the audio menu to

assure the speakers are on and the input selection is a

known good source. Will this restore

audio?

Does thepower supply

generate the audiosupply voltages (24 VDC at pins 3 and 4 of P802)

when the unit is turned

on?

YES

NO

Replace the power supply

module.

YES

NO

Replace the Main module

Problem solved.

No Audio

13

Page 15: 32AV502U_SVM

Firmware Update

Firmware updating for this chassis family is accomplished via a USB port located on the rear of the unit. It is designated as “Service” and is located between the HDMI and PC audio input jacks. Visit the Toshiba website at www7.toshiba.com for the latest update information.

Factory Mode

The factory mode, necessary adjustments, and update procedures shown below can be accessed in this unit using the supplied remote control transmitter.

To access the factory mode, you must press “Left Arrow (<), Exit, Enter” in sequence on the remote transmitter. The mode can be exited by pressing exit or simply turning the unit off.

14

Page 16: 32AV502U_SVM

1

1

2

2

3

3

4

4

5

5

6

6

7

7

8

8

D D

C C

B B

A A1 2

34

12

1 2

34

+24Vinv/5.5A

+24Vaud/0.85A

34

+ +

+

34

+

+

3

6

2

9

8

5

110

13

4

7

11

15

14

12 16

34

P1

+

+12V/2.2A

12

+

+5V/2.0A

+

12

12

+

12

12

34

+

FB4

S/OCP1

SS2

Vcc5

D8

D7

N.C.6

GND3

34

1234567891011121314

123456789101112

12345678910111213141516

# Dim# Inv

12

L

N

!!

!

!

!

!

!

!

!

!

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!

!

!

!

!

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!

!

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SECONDARYPRIMARY

!

! !

+ +

FSP145-4F04 FSP188-4F08+24V 4.0A

+24Vaud 0.6A

+12V 2.0A

+5V 2.5A

+24V 5.5A

+24Vaud 0.85A

+12V 2.0A

+5V 2.0A

D107

D108

!

!

!

12

+

! !!

!

FSP145-4F03 FSP188-4F07

POWER [1] POWER

:12

:3

:1

:1

:1

:2

:1

:2

:5

:4

:7

:9

:2

:2

:2

:9

:10

:11

:8

:7

:3

:5

:1

:1

:1

:2

:1

:2

:2

:1F101

BD101

LF101

LF101

CY103

CY1

02C

Y101

VA101

R213

U201

C208

R217

R216

PC10

1 R215

LF102

LF102

PC502

R530

Q501

R529

R125

R127

R126

R122

R124

R123

C116

R135

C201

C202

C203

D201

PC102

R201

R203

R205

R208

R209

R210

L202

C204

D202

C103

R121

R207

R211

R202

R206

R204

R212

R218

R133 C112

R132

C105

C106C1

04

C111

R138

C108

R131

R139

C114

R130

C109

C107

R128

R140 C1

13

U101

PC10

1

R129

R134

C110

Q105

Vcc

S1

T101

T101

T101

T101

T101

T101

T101

L203

C205

PC102

R221

R222

R220

Q201

C209

S4

S4

L201

Q103

Q104

S1

R227

R225

R229

U202

R228

R226

L204

C207

C211

C210

R223

C503

D505Q503

ZD501

R528

R527

C509 C504

PC501

PC50

2

C206

D203

R224

T501

T501

T501

T501

T501

T501

FB502

R234

R233

C213

PC103

R137

C501R521

D502

PC501

R522

C508

C506C502

C505

Q502

C507Q504

R523

R524

ZD50

2 ZD503

D504

D503

R526

U501

D501

R525

PC103

R231

R230

R232

Q202

C212

P803

+24V

+12V

GND

P804

+24Vaud

+5V

P802

GND

PWR-ONACD

+24V

+12V

+5V

ACD

PWR-ON

GND

+24Vaud

P4

R101

P801

S2

S2

S4

S4

D102

D103

D101

D105

D104

ZD20

1

ZD20

2

D207

D205

FB501

P801

P801

T101

P4

D204

CY104

CX10

1

ZD101

CY105

R235

C215

R236C214

Vcc

TH101

R141

C101

C102

Q204

Q203

R219

R214

R237

D208

D209 R238

R116

R117

R118

R119

R113

R112

R114

C115R1

36

D106Q106

R115

Q107D111

R108

R107

R109

C117

R142

R110

P5

P5

P6D110

ZD10

2D1

12

P6

D109

S5R239

R240

S5C

118

FB503

C510

C216

VS10

2

VS10

1

C511

Q101

Q102

F101

BD101

LF101

LF101

CY103

CY1

02C

Y101

VA101

R213

U201

C208

R217

R216

PC10

1 R215

LF102

LF102

PC502

R530

Q501

R529

R125

R127

R126

R122

R124

R123

C116

R135

C201

C202

C203

D201

PC102

R201

R203

R205

R208

R209

R210

L202

C204

D202

C103

R121

R207

R211

R202

R206

R204

R212

R218

R133 C112

R132

C105

C106C1

04

C111

R138

C108

R131

R139

C114

R130

C109

C107

R128

R140 C1

13

U101

PC10

1

R129

R134

C110

Q105

Vcc

S1

T101

T101

T101

T101

T101

T101

T101

L203

C205

PC102

R221

R222

R220

Q201

C209

S4

S4

L201

Q103

Q104

S1

R227

R225

R229

U202

R228

R226

L204

C207

C211

C210

R223

C503

D505Q503

ZD501

R528

R527

C509 C504

PC501

PC50

2

C206

D203

R224

T501

T501

T501

T501

T501

T501

FB502

R234

R233

C213

PC103

R137

C501R521

D502

PC501

R522

C508

C506C502

C505

Q502

C507Q504

R523

R524

ZD50

2 ZD503

D504

D503

R526

U501

D501

R525

PC103

R231

R230

R232

Q202

C212

P803

+24V

+12V

GND

P804

+24Vaud

+5V

P802

GND

PWR-ONACD

+24V

+12V

+5V

ACD

PWR-ON

GND

+24Vaud

P4

R101

P801

S2

S2

S4

S4

D102

D103

D101

D105

D104

ZD20

1

ZD20

2

D207

D205

FB501

P801

P801

T101

P4

D204

CY104

CX10

1

ZD101

CY105

R235

C215

R236C214

Vcc

TH101

R141

C101

C102

Q204

Q203

R219

R214

R237

D208

D209 R238

R116

R117

R118

R119

R113

R112

R114

C115R1

36

D106Q106

R115

Q107D111

R108

R107

R109

C117

R142

R110

P5

P5

P6D110

ZD10

2D1

12

P6

D109

S5R239

R240

S5C

118

FB503

C510

C216

VS10

2

VS10

1

C511

Q101

Q102

15

Page 17: 32AV502U_SVM

Replacement Parts List

Location Part No. DescriptionE100 75012928 BEZEL ASSY, PC+ABS MBK99/GLOSS, 39C02451L07

E110 75012929 BACK COVER ASSY, TW3214 HI-PS MBK97, 39C02451L08

E120 75012917 STAND ASSY, ABS 94HB MBK86/GLO, 39C02251L08

E200 75012923 PC BOARD ASSY, MAIN M/B VTV-L3707 STW32THA, 39C02451L03

E250 75012927 POWER MODULE, (STW32T) FSP145-4F03 5/12/2, 39C02451L02

E260 75012770 PC BOARD ASSY, KEY/B, 37AV502U, 39C02051L06

E261 75012771 PC BOARD ASSY, IR/B, 37AV502U, 39C02051L07

E300 75011933 LCD PANEL, AX080A030B

E310 75013154 H-CON SET, TV32T MB-LVDS IPS,39C02451L12

E320 75012780 POWER CORD, 37AV502U, 39C02051L03

E330 75012773 SPEAKER ASSY, 10W 6OHM, 37AV502U, 39C02051L09

E340 75012924 H-CON SET, TW32T MB CN11 CN10, 39C02451L05

E341 75012775 H-CON SET, TW32T MB CN12-IR 6, 39C02051L11

E342 75012926 H-CON SET, TW32T MB CN7- SPK, 39C02451L04

E343 75012778 H-CON SET STW46T MB-POW 12V, 39C02451L11

E344 75012779 H-CON SET STW46T INV-POW 14P, 39C02451L10

E400 75010932 REMOCON HAND UNIT, CT-90302

16

Page 18: 32AV502U_SVM

TOSHIBA CORPORATION1-1, SHIBAURA 1-CHOME, MINATO-KU, TOKYO 105-8001, JAPAN