Curso Tv Plasma Parte2

8/8/2019 Curso Tv Plasma Parte2

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1. Block Diagram of VSC main

2. Block Diagram of STB main3. IC SPEC


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MT-40PA10 VSC Board Block Diagram

MT-40PA10 VSC Board Block Diagram

Chip for flat panel display application

VGA XGA scale up/down

Display Processor & Scan Rate Converter

(Format Converter)

Interlace to Progressive

15KHz 31KHz(2H X 1V)

P101

V/R/L

DS102

IC203

VPC3230

Decoder

80Pin

IC203

VPC3230

Decoder

80Pin

3

Y,Cb,Cr

CVBS

(A)

1

IC204

SDA9410

Deinterlace &

D/A

100Pin

IC204

SDA9410

Deinterlace &

D/A

100Pin

8 LU0-7

8 CHR0-7

IC303

CXA2101AQVideo&Chroma

80Pin

IC303

CXA2101AQVideo&Chroma

80Pin

5

PC-R/G/B/HS/VS (A)

5

DTV-Y/Pb/Pr (A)

3 TV-Y/U/ V/HS/VS(A)

5

IC304

THS8083

100Pin

IC304

THS8083

100Pin

3 CXA-R/G/B(A )

IC401

MX88L2843X2M

Scan converter

208Pin

IC401

MX88L2843X2M

Scan converter

208Pin

IC001

M37270

EEPROM

Micro-Com

IC001

M37270

EEPROM

Micro-Com

IC403

2MSDRAM

IC402

2M SDRAM

(R/G/B)(D)

CAX-

HS/VS

2

16

D0-16

A0-10 D16-31

11 16

OSD_R/G/B/YS

4

IC501

74F541

IC50274F541

IC50374F541

Buffer

OSD_HS/VS

2

HS/VS_OUT

2

8 DOR0-7

8 DOG0-7

8 DOB0-7

STB-POWER

VSC DET/POWER

HDSTB_DET

STB_SCL/SDA

ANA_STB_DET

7 PVS/PHS_OUT

2

PAR0-7

8

PAG0-7

8

8

PD501

(41Pin)

PDP Modul

(D)

3X8

D-su

b

25

D-sub

15

(A)

P601

L/R

IC

IC203,204,303,304,40

7

IC002

24C16

IC002

24C16 IC407

SC786102DW

IC407

SC786102DW

HS/VS

SDA2

SCL2

DS101

STB-R/G/B/HS/VS(A)

IC50474F541

PAB0-7

Comb Filter Video Process

CVBS(Composite Video Baseband

Signal) Input to Y/C(Y,U,V) Output

Multi-Component Processor

(Baseband Video Signal Processor)

STB, PC, DTV, TV signals Input to Analog R/G/B Output

Triple 8Bit, 80MSPS, 3.3V Video&Graphic Digitizer

with Digital PLL

Analog R/G/B Input to 3X8 Digital R/G/B OutputP102

DVD

IC602CXA2022S

(Tone Control)

IC602CXA2022S

(Tone Control) 2 2L/R

IC604LA7222

(Audio S/W)

IC604LA7222

(Audio S/W)STB/PC/DTV1

AV/DVD/DTV2

2

L/R

IC603LA4282

Audio Amp.

(12Wx2)

IC603LA4282

Audio Amp.

(12Wx2)

P007A(Spk. Jack)

L/R


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RT- BA10 STB Main Block Diagram

RT- BA10 STB Main Block Diagram

TUNER

(RCA JACK)

AUDIO

COMMON USE

L/R(TV)

L/R

IF IC

TDA4474

DC5V

IF IC

TDA4474

DC5V

SVHS

AV3

PC- IN

PC Audio(Stereo)

SCL-A

SDA-A

7input/3output

ideband video Amp(20MHz, -3dB)

Y/C mix circuit

A/V switch featuring I2C BUS

R/G/B/HS/VS(A)w

TUNER

CXA2069Q

A/V SW

DC 12V

CXA2069Q

A/V SW

DC 12V

V, L/R

CVB

S

V, L/R

* SCART2 : HALF

* RCA Jack

Common Use

*PCB LayOut)

AV2

MNT

OUT

V, L/R

TV, L/R

(SCART1: FULL)

TV

OUT

AV1

Y / C

MSP3411G

Sound

Processor

DC 8V

MSP3411G

Sound

Processor

DC 8V

2nd

SIF

L / R

OUT

CXA2101AQ

RGB

Processor

DC9V

CXA2101AQ

RGB

Processor

DC9V

R/G/B

HS/VS(A)

DS 701

(25Pin

Cable)

SCL-A/D

SDA-A/D

9

10

Multi-Com onent Processo

Analog R/G/B Output

Input select switch for high

definition display

Internal broadband RGB s/w

2001.4.27

PHIL KIM

SCL-ASDA-A

I2CP801

7PIN

IC 001M37272

u-COM

IC 001

M37272

u-COM

KEY-1

KIN

KOUT

SCL-A

SDA-A

PC- OUT

I2C

RF

(RCA JACK)

L/R

CVBS1/Y

CTPU3052S

TELETEXT

DC5V

TPU3052S

TELETEXT

DC5V

VPC3230DMAIN

[ADDR: 47]

Video

Processor

DC 6V

VPC3230DMAIN

[ADDR: 47]

Video

Processor

DC 6V

C

DVD Y/Cr/Cb

(A)

VPC3230D

SUB

[ADDR: 44]

Video

Processor

DC6V

VPC3230D

SUB

[ADDR: 44]Video

Processor

DC6VFB

SDA9410

1H/1V=> 2H/ 1V

DW / PIP / MPIP

DC 3.3V

SDA9410

1H/1V=> 2H/ 1V

DW / PIP / MPIP

DC 3.3V

p

DTV Y, Pb, Pr (A)

H V

CVBS2/Y

R/G/B

HS/VS(A)

R/G/B

HS/VS(A)

BA7657F

RGB

S/W

DC 5V

BA7657F

RGB

S/W

DC 5VI2CSCL-A

SDA-AI2C

SCL-D

SDA-DI2C

SCL-A

SDA-AI2C

CVBS.3RGB

EXT_RGB

81V04160

FIFOMemory

81V04160

FIFOMemory

WE

RE

DVD/DTV

Y/ C/HS/VS (D)

I2CSCL-D

SDA-DSCL-D

SDA-DI2C

Comb filter video processor

TV Signal to Digital Y/Cr/Cb

Multi-standard color decoder

A/D converter

Format converter

Interlace to Progressive

7input/3output

wideband video Amp(20MHz, -3dB)

Y/C mix circuit

A/V switch featuring I2C BUS


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VPC 3230 Comb Filter Video ProcessorVPC 3230 Comb Filter Video Processor


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Description

The VPC3230xD/324xD is a high quality, single-chip video front-end,

which is targeted for 4:3 and 16:9, 50/60 and 100/120Hz TV sets. It can

be combined with other members of the DIGIT3000 IC family (such as

DDP 33x0A/B, TPU 3040) and/or it can be used with 3rd-party products.

Features

Four CVBS, one S-VHS input, one CVBS output

Two RGB/YCrCb component inputs, one Fast Blank(FB) input

High-performance adaptive 4H comb filter Y/C separator with adjustable

vertical peaking

Multi-standard color decoder PAL/NTSC/SECAM including all

substandards

One 20.25MHz crystal, few external components

6V supply voltage


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SDA9410 Display Processor & Scan Rate ConverterSDA9410 Display Processor & Scan Rate Converter

Description

The SDA 9410 is a new component of

Siemens MEGAVISION IC set, which

enables the system to reduce large

area and line flickering of interlaced

TV standards.


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74F541

3-state Buffer

74F5413-state BufferSDA9410

Display Processor & Scan Rate Converter

Features

Digital interlaced Y/C input,

progressive analog Y/U/V output

High performance scan rate converter

4:2:2 luminance and chrominance

parallel (2x8 wires)

Scan rate conversion

- Motion compensated 100/120 Hz interlaced

scan conversion

- Motion compensated 50/60 Hz progressive

scan conversion

D/A converters

- 9 bit amplitude resolution for Y, -(R-Y), -

(B-Y) output

3.3V + 5% supply voltage

Description

The 74F541 are octal buffers that

are ideal for driving bus lines or

buffer memory address registers.

The outputs are capable of sinking64mA and sourcing up to 15mA,

producing very good capacitive

drive characteristics. The devices

feature input and outputs on

opposite sides of the package to

facilitate printed circuit board

layout.

Features

High impedance NPN base inputs

for reduced loading (20uA in High

and Low states)

Octal bus interface

3-state buffer outputs sink 64mA

15mA source current

THS8083

THS8083


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THS8083 Video&Graphics Digitizer with Digital PLLTHS8083 Video&Graphics Digitizer with Digital PLL


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Description

THS8083 is a complete solution for the digitalizing of video & graphic

signals in RGB or YUV/YCbCr color spaces. The device supports pixel

rates up to 80 MHz to 95 MHz, depending on the speedgrade of the

device

Features

Three digitalizing channels, each with independently controllable Clamp,PGA and ADC

ADC: 8 bit 80MSPS

Support for 4:4:2 and 4:2:2 (ITU.BT-601 style output modes to reduce

board traces and video ASICS

Fully integrates digital PLL(including loop filter) for pixel clock

generation

3.3V supply voltage

CXA2101AQ

CXA2101AQ


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CXA2101AQ Multi-Component Processor(Base Band Video Signal Processor IC)

CXA2101AQ Multi-Component Processor(Base Band Video Signal Processor IC)


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Description

The CXA2101AQ is a bipolar IC which integrates the followingfunctions on a single chip; base band signal processing, RGB signal

processing , and video switching for 4 systems (including HV sync

signal processing) using Y/Cb/Cr inputs.

It was developed for multiscan TVs, and enables high-end TV systems

to be configured.

Features

On-chip video switching for 4 systems

Y/Cb/Cr input for one system, external Y/Cb/Cr input for 1 system

Analog RGB input for 2 systems

Normal, PAL-FF, HD-TV supported

9V supply voltage


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MX88L284Scan ConverterMX88L284Scan Converter

Description

The MX88L284 is a highly integration chip for Flat Panel Display application. WithMacronixs Smartscaling 2 filter, it provides high quality scaled video image and

format conversion.

General features

Converts NTSC/PAL and PC video signal into flat panel display device timing andresolution.


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Built-in OSD generator with 64 ROM fonts, and 64 programmable RAM fonts.

Support configurable SDRAM/SGRAM(x0 x1 and x2) for different resolution to minimize the system cost.

Input

PC Video up to 1024x768 @ 85Hz operation mode

Support YCrCb422,RGB888 mode (interlaced and Non-interlaced)

Support input H/V sync. Polarity and odd/even field detection

Support digital input capability

Support SDRAM/SGRAM x0x1 and x2 configuration

3.3V power supplier

Output

Support following resolution and frequency

Single (18/24) and Dual (36/48) bit RGB data output

Support OSD MUX capability for On-Screen-Display chip input

Built-in OSD generator

CPU Interface

Support direct 8 bit uP interface and serial bus (high-speed) interface

10825~8032.5~60Dot clock (MHz)

6050~7550~75Vertical frequency (Hz)

6420~7022~55Horizontal frequency

1280x10241024x768800x600 (SD)Resolution


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SDRAM-KM416S1020CSDRAM-KM416S1020C

DescriptionThe KM416S1021C is 16,777,216 bits synchronous high data rate

Dynamic RAM organized as 2 x 524,288 words by 16 bits, fabricated

with high performance CMOS technology. Synchronous design allows

precise cycle control with the use of system clock I/O transactions are

possible on every clock cycle. Range of operating frequencies,

programmable burst length and programmable latencies allow thesame device to be useful for a variety of high bandwidth, high

performance memory system applications.

Features

JEDEC standard 3.3V power supply

SSTL_3 (Class II) compatible with multiplexed address

Dual banks operation

MRS cycle with address key programs

- CAS latency (2 & 3)

- Burst length (1, 2, 4, 8 & Full page)- Burst type (Sequential & Interleave)

All inputs are sampled at the positive going edge of the system clock.

Burst read single-bit write operation

Auto & self refresh

64ms refresh period (4K cycle)


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CXA2022I2C Bus Sound Processor for TV

CXA2022I2C Bus Sound Processor for TV LA4282

2-channel 10w AF Power Amplifierfor Use in Home Stereo, TV Applications

LA4282

2-channel 10w AF Power Amplifierfor Use in Home Stereo, TV Applications

Description

The CXA2022S is a bipolar IC designed

as an IC bus control sound processor for

TV.This IC has simulate stereo, surround,tone control, balance, volume, muting,

AGC and other functions.

Description

The LA4282 is an IC which seals a high-

output power amplifier for TVs and monitors

in a compact package.

FeaturesAllows control I2c bus

Employs a special surround system to

prevent vocal missing in the surround

mode

Adopts an AGC circuit to absorb the

difference in sound level between input

sources and improves S/N ratio of hearing

characteristics

14V supply voltage

FeaturesHigh-power 2-channel AF power amplifier

Low pop noise at the time if power supply

ON/OFF

Good ripple rejection (58 db typ)External muting available


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CXA2069S2-Compatible 7-Input 3-Output Audio/Video Switch TDA4474

Multistandard Video-IF

and Quasi Parallel Sound Processing

Description

The TDA4474 is an integrated bipolar

circuit for full multistandard

video/sound IF(VIF/SIF) signal

processing in TV/VCR andmultimedia applications. The circuit

processes all TV video IF signals with

negative modulation (e.g. B/G

standard), positive modulation(e.g. L

standard) and the AM, FM/NICAM

sound IF signals.

Description

The CXA2069Q is a 7-Input 3-Output Audio/Video Switch

featuring I2C bus compatibility for TVs. This IC has input

pins that are compatible with S2 protocol. Features

Four IF inputs (2xVIFin and 2xSIFin)

Very linear video demodulation, good

pulse response and excellent inter

modulation figures

VIF-AGC for negative modulated

signals(peak sync. detection) and for

positive modulation(peak white/black

level detector)

Alignment-free quasi parallel

sound(QPS) mixer for FM/NICAMsound IF signals

5V supply voltage; low power

consumption

Features

7 inputs 3 outputs

4 inputs that are compatible with S2 protocol

Wide band video amplifier (20 MHz,-3 dB)

Y/C MIX circuit

Serial control with I2C bus

High impedance maintained by I2C bus lines (SDA, SCL)

even when power id OFF

12V Supply voltage

MSP 3411G Multistandard Sound Processor with Virtual Dolby Surround

MSP 3411G Multistandard Sound Processor with Virtual Dolby Surround


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MSP 3411GMultistandard Sound Processor with Virtual Dolby SurroundMSP 3411GMultistandard Sound Processor with Virtual Dolby Surround

Description

The MSP 34x1G family of single-chip Multistandard Sound Processors covers the sound processing of all analog TV-Standards

worldwide, as well as the NICAM digital sound standards. The full TV sound processing, starting with analog sound IF signal-in,down to processed analog AF-out, is performed on a single chip.

The MSP4x1G has all functions of the MSP3401G with the addition of a virtual surround sound feature


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MSP 3411G

Multistandard Sound

Processor with Virtual DolbySurround

Features

Four Stereo SCART (line) inputs,

one Mono input; two Stereo

SCART output

Complete SCART in/out

switching matrix

Standard Selection with single

IC transmission

Two selectable sound IF (SIF)

inputs

Automatic Sound Selection

(mono/stereo/bilingual), new

registers MODUS, STATUS

3D-panorama virtualizer

(approved by Dolby Laboratories)

with noise generator

AVC: Automatic Volume

Correction

Demodulation of the FM-Radio

multiplex signal

8V power supply

BA7657F

Input selector switch for high definition displays

Description

The BA7657F is for high

definition displays, and have

internal switches for switching

between broadband RGB signals

and HD/VD signals, as well as an

internal synchronization separator.

These ICS simplify the designingof input units for deluxe displays

Features

Internal broadband RGB switch(frequency characteristics : 250MHz,

-3dB)

Internal HD/VD switch

Internal synchronization separator for

synchronizing signals superimposedonto G signals.

5V power supply

Connection Diagram of MT 40PA10


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Connection Diagram of MT-40PA10

6p

X-B/D

POWER

KEY

5V G 15V G N/C VA

CON304 6P

Angle - Type

Wafer X-B/D

4p 9p

8P

41P

4P

SPEAKER B/D

P8087P

P809

12P

P811

6P

P8104P

P801

8P

P806

6P

P802 4P P803 9P

P805

6P

P804

8P

P807

6P

POWER

CN801

2P

P004A

7P

41P

P002A

6P

P003A

7P

P005A

12PP006A

4P

P007A

4P

VSCY-B/D

6p

8P

Z-B/D

Line FilterLine Filter

VA N/C G 15V G 5V

CON303 6P

7P CONTROL B/D

Pi D t il f MT 40PA10


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Pin Detail of MT-40PA10

KET-IN

R-LED

G-LED

GND

STBY

GND

TX

41P

PD501

SCL-E

SDA-E

SCL-N

SDA-N

FS

GND

P002A

6PIN

AC-DET

RL-ON

STBY

GND

VAVS-ON

5V-MNTN/C

5V

5V

5V

GND

GND

GND12V

12V

GND

GND

N/C

N/C30V30V

GND

GND

GND

R-SPK

GND

L-SPK

P004A

7PIN

P003A

7PIN

P005A

12PIN

P007A

4PIN

P006A

4PIN

GND

GND

VSC

VSET

UP

5V

5V

5V

5V

GND

GND

GND

GND

VA

N/C

GND

15V

GND

5V

32V

32V

GND

GND

5VS

5VS

5VS

GND

GND

GND12V

12V

GND

GND

N/C

N/C

ACD

RLY

5VGND

VsON

5VD

N/C

VA

N/C

GND

15V

GND

5V

VS

VS

N/C

N/C

N/C

GND

5V

GND

5V

VA

N/C

GND

15V

GND5V

VA

N/C

GND

15V

GND

5V

5V

GND

5V

GND

N/C

VS

N/C

GND

CN801 2P

P801

8P

P806

6P

P811

6P

P810

4P

P809

12P

P808

7P

P801

8P

P801

8P

VSC

CNTL

P804

8P

P805

6P

P807

6P

VSETUP

CNTL

VS CNTL

PFC

ADJ

VA

CNTL

5V CNTL

32V CNTL

VSC

CNTL

VSC POWER

: A Symbol of starting of the PIN

Connection Diagram of RT BA10


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Connection Diagram of RT-BA10

P301B

12PIN

P001

12PIN

STB D-SUB B/D

P818B

10PIN

P870

8PINP302B

12PIN

P303B

10PIN

P304B

7PIN

P305B

3PIN

P801M

P301A 12PIN P302A 12PINP303B

10PIN

P304B

7PIN

P305B

3PIN

STB - MAIN

12PIN

STB-CONTROL B/D

STB-

POWER

P801S

P810A

10PIN

P870A

8PIN

Lightning

Wire

Pi D t il f RT BA10


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Pin Detail of RT-BA10

12PINSTB-CONTROL B/D

S-DET

GND

S-CIN

GND

S-YIN

GND

VIN

3-V

GND

VIN

3-L

GND

VIN

3-R

KIN1

KIN2

KIN3KOUT1

KOUT2

KOUT3

GND

R-LED

G-LED

GND

5VGND

P301B

12PIN

P302B

12PIN

P303B

10PIN

STB - MAIN

P870B

8PIN

P818B

10PIN

P001

12PIN

POW

GND

ST5V

GND6V

GND

13V

GND

30V

GND

S-WOOFER

GND

OUT-L

OUT-R

GND

MUTE

GND

DVD-Y

GND

DVD-Pb

GND

DVD-Pr

GND

DVD-L

GND

DVD-R

GND

GND

GND

PC-B

GND

PC-G

GND

PC-R

GND

PC-HS

GND

PC-VS

GND

P

C-L

G

ND

P

C-R

G

ND

G

ND5V

GND

KOUT

2

GND

P305B

3PIN

P801M P304B7PIN

P810A

10PIN

P870A

8PIN

STB-

POWER

P801M

POW

GND

ST5V

GND6V

GND

13V

GND

30V

GND

S-WOOFER

GND

OUT-L

OUT-R

GND

MUTE

GND

STB D-SUB B/D

S-DET

GND

S-CIN

GND

S-YIN

GND

VIN

3-V

GND

VIN

3-L

GND

VIN

3-R

DVD-Y

GND

DVD-Pb

GND

DVD-Pr

GND

DVD-L

GND

DVD-R

GND

GND

GND

PC-B

GND

PC-G

GND

PC-R

GND

PC-HS

GND

PC-VS

GND

PC-L

GND

PC-R

GND

GND

5V

GND

KOUT

2

GND

P301A12PIN

P302A12PIN

P303B10PIN

P304B7PIN

P305B3PIN

: A Symbol of starting

of the PIN number

Trouble Shooting Guide


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Trouble Shooting Guide

X - Board COF Connector separation

Lift up the right and left of X-BOARD CONNECTOR.

When you handle COF CONNECTOR, dont pressure. First release LOCK and separate.

If COF CONNECTOR is damaged you should replace MODULE ASSY. so be aware of this !!

COF Connector

Lift up X-BOARD CONNECTOR and separate

COP CONNECTOR by pulling up.

warningwarning

When you exchange X-Board, first you should separate

COF Connector. Be careful not to damage it. COF

Connector is attached to Module. Since COF Connector is

torn, Module Assy must be replaced a new one. Be

careful!

When you exchange X-Board, first you should separate

COF Connector. Be careful not to damage it. COF

Connector is attached to Module. Since COF Connector is

torn, Module Assy must be replaced a new one. Be

careful!

X Board Connector separation

X - Board Connector separation


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X - Board Connector separationX Board Connector separation

Lift up each edge of left/right. Lifted condition

Be careful to handle LOCK or it can be hurt.

When LOCK is hurt, replace a new X-BOARD.

Its easy to separate it by releasing ConnectorLock .

Do not pressure. Be careful to handle LOCK or it

can be hurt. When LOCK is hurt, replace a new X-

BOARD

warningwarning

Y - Board COF Connector separation

Y - Board COF Connector separation


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p

Pull the white LOCK as shown in arrow

Pull the white LOCK as shown in arrow.

Separate COF CONNECTOR by pulling in the left.

warnignwarnign

Be careful to handle LOCK part and COF Connector

when LOCK part is damaged, you should replace a new Y-Board. In case of COF Connector,

Module Assy

Z B d COF C t ti

Z Board COF Connector separation


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Z - Board COF Connector separationZ - Board COF Connector separation

Separate the fixed Screw ofZ-Board..

Pull out Lock as shown in

arrow.warningwarning

Pull COF Connector asshown in arrow.

Its easy to separate COF

on condition that Z-Board

Screw is separated. In case

Z-Board is assembled,

its really hard to separate.

Condition in Lock part is pulled

COF Connector

be careful not to tear COF Connector. If COF

Connector is torn, replace a new Module Assy.

each Connector separation

each Connector separation


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each Connector separationp

Push LOCK and pull out

PUSHPUSH PUSH

PUSH PUSH PULL

C t ll B d VSC B d C t


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Controller Board VSC Board ConnectorController Board VSC Board Connector

Gas injection (sealing up) condition


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Gas injection (sealing up) conditionGas injection (sealing up) condition

Be sealed up after gas injectionBe sealed up after gas injection

Be careful to handle the sealed-up part after gas injection.

If it is broken the gas escapes. So replace a module.

warningwarning

Power is on and off 2 ~ 3 minutes later ( Protect )

Power is on and off 2 ~ 3 minutes later ( Protect )


30/40

30/40

Power is on and off 2 3 minutes later ( Protect )( )

Power is On and off 2~3 minutes.

(Protect)

Power is On and off 2~3 minutes.

(Protect)

P301 Connector Open Check.P301 Connector Open Check. X - Board Top Right Change.X - Board Top Right Change.OK

P302 Connector Open CheckP302 Connector Open Check X - Board Top Left Change.X - Board Top Left Change.OK

P303 Connector Open CheckP303 Connector Open Check X - Board Bottom Right Change.X - Board Bottom Right Change.OK

P304 Connector Open CheckP304 Connector Open Check


X - Board Bottom Left Change.X - Board Bottom Left Change.OK

Z - Board Change.Z - Board Change.OK

P3, P2 Connector Open CheckP3, P2 Connector Open CheckOK

Y - Board Change. Y - Board Change.

P005, P003 Connector Open CheckP005, P003 Connector Open Check


VSC- Board Change.VSC- Board Change.

VSC - Board Change.

Sound Output IC Short Check

VSC - Board Change.

Sound Output IC Short Check

Power Board ChangePower Board Change

OK

OKPROTECT operation

when the electrical load

voltage is Short.

When each voltagedoesnt work (in general)

PROTECT operation

when the electrical load

voltage is Short.

When each voltagedoesnt work (in general)

As soon as the Power is On, its off in 2 ~ 3 minutes. ( Protect )

As soon as the Power is On, its off in 2 ~ 3 minutes. ( Protect )


31/40

31/40

As soon as the Power is On, it s off in 2 3 minutes. ( Protect ), ( )

L813 dry joint

Inferior phase : as soon

as the power, its off in 2 -

3minutes.

(PROTECT circuitoperation) inferior cause :

no VS voltage L813 Coil

dry joint.

CheckCheck Open the Connector connecting to each Board to check the power is off.if each Board is same, check the Power Board and voltage.

ADD BAR inspection and repair

ADD BAR inspection and repair


32/40

32/40

p p

HEATRUN : WHITE

Press the ADJ KEY and check the position of add bar by

changing WHITE or RED or BLUE or GREEN

Top Right Top Left

Bottom RightBottomLeft

PD-40X2 uses 4 board such as left,right, top and bottom.

Divide the screen in 5 and once you see ADD BAR check COF

CONNECTOR between MODULE and X-BOARD.

If there is no defect in COF CONNECTOR replace X-BOARD.

But the problem still remains and check the connector betweenX-BOARD and CONTROL BOARD. And if you cant find defect,

check CONTROL.

PD-40X2

Top

Bottom

PD-60X3 uses 2 X-BOARDs such as top and bottom so whenthe problems occur in top or bottom, check ADD BAR first and

then CONNECTOR, X-BOARD, CONNECTOR and CONTROL

BOARD

PD-40X3, PD-60X3

DND C/S the analysis of inferior goods


33/40

33/40

1.June 13 inferior receipt

PD 40X 2 Filed inferior good

Set No : 912KC 00036

Module No : P239102815-215

customer : in kyeongi province

contents: tape droop

management: tape rework

13 inferior receipt

PDP 40 NVDN 4

Set No : 104KC 00176

Module No : 503007PRODUCT RECORD : DND sends it to C/S after reworking

POWER B/D .

contents : B color Address Open 1line causes : dented COF

: no inferior phase in DND process, assumed that inferior

happens during the analysis in DND ,due to Power B/D

COF dented

inferior receipt

PDP 40NVDN 4 Filed


34/40

34/40

Set No : 104KC 00206

Module No : 32184

customer : a surgeon in Kyeongi province

contents : Address R color inferiorcause : DATA output inferior by X-L-TOP IC14,16 pin dry joint

( normal curve by tearing off IC Pin)

management : X-L-TOP replacement

IC14

Dry joint

Curve inferiornormal curve


35/40

35/40

CheckCheck

The blue spreads on the screen (electric

discharge inferior) and the powers off in 2 -

3 minutes this phase repeats whenever the

power is on.

Inferior phase causes management

Under 14V 15V Line,electric discharge inferior

occurs and the powers off

because protect circuit is

off.

-. The power board SMPS

not winded enough has

the electric discharge

inferior

because of the short of

the voltage capacity.

-. X-Board TR Short,

over-electrical load

Protect circuit .

The power board PCB

replacement of SMPSTRANS replacement

(B,D Type)

X-Board replacement

Measure SMPS 2 15V Line by Digital Multi Meter and check the voltage changes.If it is less than 14V, the screen ins broken with the blue. As soon as the power is ON and its off

showing this kind of screen. Remove all connectors and check the board not off.

. X-Board inferior and the power board SMPS replacement.

inferior X-Board


36/40

36/40

CheckCheck

The whole screen is broken with the blue

(electric discharge inferior) whenever the

power is on this phase occurs.

OSD is normal.

Inferior phase cause management

under 14V 15V Line,electric discharge

inferior occurs.

-. The power boardSMPS is not winded

enough.

because the voltage

capacity is short ,electric

discharge inferior

occurs.

The power boardPCB replacement

or SMPS TRANS

replacement

( B,D Type)

Measure SMPS 2 15V Line by Digital Multi Meter and check the voltage changes.

If it is less than 14V, the screen ins broken with the blue.

(electric discharge inferior )


37/40

37/40

CheckCheck

The top left part of screen is broken

(X-BOARD TOP RIGHT)


Presume X-BOARDinferior.

cause : X-BOARD TOP

RIGHT 5V doesnt turn

X-BOARD TOPRIGHT 5V adoesnt

turn

X-BOARD TOP RIGHT 5V CHECK

SMPS ---- X-BOARD TOP RIGHT 5V CHECK

I f i h


38/40

38/40

CheckCheck

The pink in the top left part of the screen.

(X-BOARD TOP RIGHT)


Presume X-BOARDinferior.

cause : when X-BOARD

TOP RIGHT VA(70V)

doesnt turn, this phase

occurs.

X-BOARD TOPRIGHTVA(70V)

doesnt turn.

VA(70V) LINE OPEN.

X-BOARD TOP RIGHT VA (70V) CHECK

SMPS ---- X-BOARD TOP RIGHT VA (70V) CHECK

I f i h C t


39/40

39/40

CheckCheck

the 3/5 top left in the screen isnt out

(X-BOARD TOP RIGHT)

Inferior phase Causes management

X-BOARD TOP RIGHT

12V doesnt turn

Board VA(70V) doesnt

turn.

X-BOARD TOP

RIGHT

12V LINE OPEN

X-Board Top Right

VA(70V)Line Open

X-BOARD TOP RIGHT 12V CHECK ( in 0V,this phase.)

X-Board Top Right VA(70V) CHECK. (in 0V this phase)

SMPS --- X-BOARD TOP RIGHT supplied 12V ,VA(70V)

CHECK.



40/40

40/40

CheckCheck

The 3/5 top right of the screen isnt out.

(X-BOARD TOP LEFT)


X-BOARD TOP LEFT

12V doesnt turn.

X-BOARD TOP LEFT

VA(70V) doesnt turn.

X-BOARD TOP LEFT

12V LINE OPEN.

X-BOARD TOP LEFT

VA(70V) LINE OPEN

X-BOARD TOP LEFT 12V CHECK ( in 0V)

X-BOARD TOP LEFT VA(70V) CHECK(IN 0V)

SMPS --- X-BOARD TOP LEFT , 12V,VA(70V) CHECK.

Documents

Curso Tv Plasma Parte2