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LG DVP7772, Manual

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LG DVP7772 Manual Download Page 38

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5. VIDEO CIRCUIT DIAGRAM

LCD PANEL CONNECTOR

04-6214-026-000-800

EX345GLY-1

AUDIO

MCU

FRONT MICOM

3854R18124A

VIDEO 

CVBS

VIDEO_Y

LCD_MUTE

VIDEO_IO_CON

VIDEO_IO_CON

LCD_SIZE

SP_L+

SP_L-

SP_R-

SP_R+

VIDEO_C

NAVIGATION

WAKEUP

KEY_M

CVBS 3

VIDEO_Y 3

/V_MUTE 3

LCD_MUTE3

SP_R- 4

SP_R+ 4

SP_L- 4

SP_L+ 4

LCD_SIZE3

VIDEO_IO_CON3,6

VIDEO_IO_CON3,6

/V_JACK_IN 3

VIDEO_C 3

KEY_M 6

NAVIGATION6

WAKEUP 6

LCDPWR

A+5V

A+5V

A+5V

D+3.3V

E+5V

A-5V

+7.5V

-15V

+17V

A+5V

C447

OPEN

L440

  

10UH

C454

10U/10V

C448
OPEN

R404

0

GT409

GT427

TP424

C460

10U/10V

C441

0.1U

C417
100P

TP425

C449

0.1U

GT428

C420

100P

L415

2.2uH

C451

0.1U

L442

10UH

GT429

R401

100

Q404

KTA1504S

1

2

3

C453

0.1U

GT421

L439

10UH

GT430

R430

100

C401

0.1U

GT405

CON403

CON_LCD40

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

13

40

14

12

11

10

9

8

7

6

5

4

3

2

1

GND12

GND11

LCDPWR1

LCDPWR2

LCD_PWR3

-5V

+7V

-10V

+15V

LCD_SIZE

NC7

NC6

VIDEO_IO_CON

GND10

VIDEO_Y/CVBS

GND9

VIDEO_C

GND8

LCD_MUTE

GND7

GND6

GND5

SP2_R

SP1_R

SP2_L

GND3

SP1_L

GND4

NC5

KEY_M

NAVIGATION

NC4

NC3

NC2

NC1

WAKEUP

GND2

GND1

E+5V1

E+5V2

TP426

R450

75

C450

0.1U

CE401

220U/6.3V

GT420

GT411

C443

33P

C461

22U/16V

B442

BEAD

GT406

J403

CVBS JACK

1

2

3

4

1

2

3

4

R435

4.7K

L401

10UH

C440

OPEN

D434

STZ6.8N

1

2

3

1

2

3

GT431

R407

100

Q415

KTC3875

1

2

3

C419

100P

L406

2.2uH

GT419

C432

0.1U

IC402

MM1226XFBE

1

2

3

4

5

6

7

8

VIN1

SW1

VIN2

NC1

NC2

V+

OUT

GND

C455

10U/10V

B434

BEAD

R427

68

CE402

100U/6.3V

R419

0

L437

  

33UH

L418

2.2uH

B439

BEAD

R436

1K

GT432

Q430

KTA1504S

1

2

3

R408

1K

R440

560

TP416

B440

BEAD

IC401

NJM2233BV

1

2

3

4

5

6

7

8

VIN1

SW1

VIN2

NC1

NC2

V+

OUT

GND

Q419

KTC3875

1

2

3

R434

560

GT418

C435

0.1U

TP417

GT433

B438

BEAD

L441

  

10UH

Q408

KTC3875

1

2

3

TP433

Q409

KTC3875

1

2

3

C407

100P

TP418

R406

1K

R418

1K

GT410

TP434

GT435

Q418

KTC3875

1

2

3

TP449

GT412

C452

0.1U

GT434

R452

75

TP435

B433

BEAD

C402

20P

TP445

GT415

C438

0.1U

CE411

100U/10V

TP419

C416
75 ohm

TP436

B443

BEAD

D440

STZ6.8N

1

2

3

1

2

3

R439

47K

GT416

TP437

CE403

100U/6.3V

TP420

C446

OPEN

R454

75

GT424

R431

330

TP438

TP401

TP421

R433

75

GT417

TP422

R453

1K

GT425

GT422

L438

  

10UH

R451

75

R415

1K

C408

100P

C437
0.1U

TP423

L421

10UH

GT426

TP439

R421

0

Video Comp

Video Signal C

Video Signal Y

Summary of Contents for DVP7772

Page 1: ...1 1 CONTENTS SECTION 1 SUMMARY SECTION 2 EXPLODED VIEWS SECTION 3 ELECTRICAL SECTION 4 REPLACEMENT PARTS LIST ...

Page 2: ...1 2 SECTION 1 SUMMARY CONTENTS PRODUCT SAFETY SERVICING GUIDELINES FOR VIDEO PRODUCTS 1 3 SERVICING PRECAUTIONS 1 4 SPECIFICATIONS 1 5 ...

Page 3: ...AYS WHEN THE HIGH VOLTAGE IS AT THE FACTORY SPECIFIED LEVEL THE PROPER VALUE IS GIVEN IN THE APPLICABLE SCHEMATIC OPERA TION AT HIGHER VOLTAGES MAY CAUSE A FAILURE OF THE PIC TURE TUBE OR HIGH VOLTAGE SUPPLY AND UNDER CERTAIN CIR CUMSTANCES MAY PRODUCE RADIATION IN EXCESS OF DESIR ABLE LEVELS 2 ONLY FACTORY SPECIFIED C R T ANODE CONNECTORS MUST BE USED DEGAUSSING SHIELDS ALSO SERVE AS X RAY SHIELD...

Page 4: ...s including Metal pan els Input terminals Earphone jacks etc Electrostatically Sensitive ES Devices Some semiconductor solid state devices can be damaged easily by static electricity Such components commonly are called Electrostatically Sensitive ES Devices Examples of typical ES devices are integrated circuits and some field effect transistors and semiconductor chip components The following techn...

Page 5: ...stortion audio 0 08 Operating conditions Temperature 41 F to 95 F Operation status Horizontal Connectors Video input output VIDEO In Out 1 0 V p p 75 Ω negative sync ø3 5mm mini jack x 1 Audio output optical audio Optical connector ø3 5mm x 1 Audio input output 2 0 Vrms 1 KHz 0 dB ø3 5mm mini jack x 1 AUDIO In Out analog audio Earphone terminal ø3 5mm stereo mini jack x 1 Liquid Crystal Display Pa...

Page 6: ...2 1 SECTION 2 EXPLODED VIEWS CONTENTS EXPLODED VIEWS 2 2 Cabinet and Main Frame Section 2 2 Deck Mechanism Section 2 3 Packing Accessory Section 2 4 ...

Page 7: ...in Frame Section 250 A48 290 275 277 A42 273 277 272 276 A49 274 A45 A44 809 280 286 284 281 285 283 282 A46 260 264 261 268 291 270 269 267 266 262 265 263 A43 A00 294 293 295 292 296 254 254 253 253 251 252 286 A41 A 5 4 3 2 1 B C D ...

Page 8: ...2 3 Deck Mechanism Section 433 433 005 002 012 011 434 021 013 432 021 021 A02 A01 014 433 015 001 430 430 004 003 431 ...

Page 9: ...ccessory Section PACKING SHEET 804 PACKING OPTIONAL PARTS 803 OWNER S MANUAL 801 REMOCON 900 R C BATTERY 808 BOX CARTONX 802 PACKING 803 300 POWER CORD 830 AC ADAPTER 831 ADAPTER DC DC 12 814 PLUG ASS Y BATTERY 809 ...

Page 10: ...3 1 SECTION 3 ELECTRICAL CONTENTS LCD PART 3 2 ELECTRICAL TROUBLE SHOOTING GUIDE 3 16 BLCOK DIAGRAMS 3 25 CIRCUIT DIAGRAM 3 28 PRINTED CIRCUIT DIAGRAMS 3 58 ...

Page 11: ...signal video signal off and adjust to 29 1MHz error 0 03MHz with a frequency counter Check the LCD operates at 29 68MHz when applying video signal with a frequency counter 3 VCOM waveform adjustment Adjust the VCOM level while changing the VR801 as below waveform by using the scope in the CE814 3 2 Vcom Waveform 63 5 63 5µs 5 5 3Vp p 3Vp p 0 7V 4 6V GND GND LCD PART ...

Page 12: ...at the center of the LCD Panel on the Full color bar screen 5 Removal of horizontal line noise Remove a thick horizontal line noise while changing the VR803 and monitoring the logo screen Remove a thin horizontal line noise while viewing the logo screen after removing a thick horizon tal line noise via the VR803 3 3 Full color bar screen ...

Page 13: ...heck and Replace A V IN S W Check X801 C832 Replace IC801 IC803 Check and Replace IC805 Check and Replace D801 L819 IC804 VCO Check and Replace Q810 Check and Replace FUSE F801 Normal Q8F1 Normal operate 7 5V 15V 10V Normal 5V Normal Y C Display signal X801 operate R G B signal output VCOM signal 6 5Vpp VCO Normal operate H V SYNC YES YES NO NO NO NO NO NO NO NO NO NO YES YES YES YES YES YES YES Y...

Page 14: ...ndition TFT LCD pressure voltage 15V 10V 5V Power source and D803 D804 Check TFT LCD Normal Replace Color Adjusting Normal Readjust as adjustement standard Each CONNECTOR Replace and Reassemble INVERTOR Normal Replace END YES YES YES YES YES YES YES NO NO NO NO NO NO NO LCD TROUBLE SHOOTING GUIDE 2 2 ...

Page 15: ...CK DIAGRAM INVERTER TFT LCD 7 WIDE 480X3X234 DC DC CONV CHROMA IC IR3Y29B COLOR CONTROL CONTROL UPS017 VCO C_SYNC H V SYNC 15V 10V 7 5V 5V DC9 8V OR BAT7 2V Y C OR CVBS RGB VCOM CLK STH STV OEV LCD MODE AV I O CON ...

Page 16: ...lace F101 YES Is Is F102 OK D105 OK Replace D105 Replace ADAPTOR NO 1 8V Is Q102 OK NO 5V NO 5V NO 3 3V NO LCD POWER Replace Q102 Is E 5V OK Replace Q103 Replace IC104 Replace IC103 Replace L437 Is Q104 OK Is Q104 OK Replace Q104 Replace Q104 Replace IC108 Is Q105 OK Replac F102 Is Q102 OK Replace Q102 Replace BATTERY Replace Q105 Is Q105 OK Replace Q105 Replace LF101 NO NO YES ...

Page 17: ...EG Check IC402 Check LC Filter AUDIO IN SPEAKER ABNORMAL Check Audio Jack Mode S W Is Q305 OK VIDEO IN ABNORMAL Check Video Jack Mode Is IC401 OK Check CON403 Is VR300 OK Replace Q305 Replace VR300 Is Speakers OK Replace Speakers Replace IC306 Replace IC401 Refer to LCD part B Audio Out abnormal C Video Out abnormal D Audio In Speaker abnormal E Video In abnormal ...

Page 18: ...Check MPEG IC500 Replace B D PICTURE ABNORMAL Check Disc YES If OK YES If OK Refer to Servo part Replace B D DISC ERROR Check SW501 switch Check IC500 pin49 YES NO YES YES If OK YES Refer to SERVO part Check the connection of MD OPEN CLOSE ABNORMAL F Picture abnormal H Open Close abnormal G Disc Error ...

Page 19: ...coder Does the moving picture of the video CD play on the screen normally Does the audio sound output normally END Check power clock Check CD DVD DSP output signal Check MPEG Decoder input signal Check CD DVD DSP output signal Check MPEG Decoder input signal Check CD DVD DSP output signal Check MPEG Decoder input signal Check clock signal Check clock signal YES YES YES YES YES YES YES YES YES YES ...

Page 20: ...tion of X701 normal Check and Replace C713 Check the connection of CON701 Check waveform of IC701 Pin1 2 Does pulse waveform of RC701 Pin 1 appear Is IC701 Pin 49 connected to RC701 Pin15 Is RC701 Pin2 5V Power on Check R740 R750 and replace Check the buttons Solder defective parts Replace IC701 Solder Key part Check Power Replace IC702 Replace IC701 Replace D702 Replace RC701 Re solder Recheck Re...

Page 21: ...t on MT1389 RFL signal Laser off Proper RFL signal on MT1389 Proper DMSO signal on MT1389 Check DMSO related circuit on MT1389 Check the cable connection between spindle and main PCBA Check the RFL connection between CON200 and MT1389 Put disc in Disc ID is correct Does spindle rotate D ...

Page 22: ... head Proper FEO signal on MT1389 Proper FEO signal on MT1389 Check the related circuit on MT1389 FEO sugnal Check the related circuit on MT1389 Properly TRSO signal on MT1389 T T output properly Check the TRSO connection on MT1389 and motor dirver Check the tracking control amp circuit on motor driver Check cable connection on pick up head Check RF signal waveform Check IC500 IC D ...

Page 23: ...eck Audio filter amplify mute circuit IC602 Application circuit Check the cable connection on Front pannel Check connection between MT1389 Audio DAC Check VRST ACLK ABCK ASDAT3 Check the related circuit of Audio DAC Check Audio out Pin 14 15 18 19 Check communi cation lines on MT1389 Communications between IR VFD Front pannel key MT1389 Front u com IC901 is normally ...

Page 24: ...rgeing Circuit No turn on Red LED Is Q603 OK Is Q602 OK Is L601 C613 C614 R610 OK Is Q601 OK Is IC601 OK Is 8 4V of J601_Pin1 OK Replace Q603 Replace Q602 Replace L601 C613 C614 R610 Replace Q601 Replace IC601 ...

Page 25: ... SI3865DV IC103 BD6111FV POWER JACK BAT7 6V DCPWR S 5V A 5V D 3 3V D 1 8V A 3 3V PWRCTL_LCD PWRCTL_5V PWRCTL_3 3V E 5V BAT_SENSE DC_SENSE IC8F1 TL1451AC IC8F2 IMZ1A T801 TRANS 17V 15V 7 5V DC 9 8V X701 5MHz RC701 REMOCON RECEIVER IC702 RESET IC IC701 uPD78F9177 Front Mi co m VFD_SCK VFD_TXD M_REQ MUTE_FM BF1_FM_CS VIDEO_IO_CON AUDIO_CD_CON SP_AMP_EN M_RESET VFD_RXD IC703 74VHC541 IC704 BU4S11 BAT7...

Page 26: ... IC102 LT1940 Q103 SI3865DV E 5V S 5V A 5V A 5V A 3 3V Q102 SI3863DV 17V 15V 7 5V From AC Adapter 9 8V From BATTERY 7 6V Q101 SI4435DY PWRCTL_LCD PWRCTL_3 3V PWRCTL_5V Q601 SI4435DY To BATTRY CH_EN D 3 3V DCPWR D 1 8V IC8F2 IMZ1A IC8F1 TL1451AC T801 TRANS 7 5V IC601 MB3887 ...

Page 27: ...IDEO S W VIDEO SIGNAL AUDIO SIGNAL SPDIF A_VIDEO_IO_CON A_AUDIO_CD_CON A_JACK_IN HP_SENSE V_JACK_IN A LINE IN OUT JACK IC301 CS4391 2DAC BUFFER LPF IC500 MT1389 MPEG DSP RF IC402 NJM2233BV VIDEO S W IC306 BA7786FP Y SPEAKER AMP LCD Dri ver CVBS CVBS C Y HEADPHONE JACK V_MUTE SCL SDA ACLK ABCK ALRCK ADATA0 VRST A_SP_AMP_EN SP_MUTE A_MUTE 3 AUDIO VIDEO BLOCK DIAGRAM ...

Page 28: ...3 7 3 8 LCD CIRCUIT DIAGRAM LCD1 CIRCUIT DIAGRAM ...

Page 29: ...3 9 3 10 LCD2 CIRCUIT DIAGRAM ...

Page 30: ...3 11 3 12 LCD3 CIRCUIT DIAGRAM SR14121A ...

Page 31: ...5 3 C SYNC 36 2 4 Y signal 0 5 37 2 1 38 4 7 COM 3 4 7 39 0 40 2 41 2 42 2 43 5 VCC 44 1 3 45 2 7 46 2 9 47 3 2 48 2 7 PIN NO VOLT WAVEFORM 1 0 2 3 3 HD 0 3 3 3 0 4 0 5 3 3 VD 0 3 3 6 2 8 HQ OUT 7 2 8 8 0 9 3 2 10 0 11 0 12 0 13 2 7 14 2 8 0 2 8 15 0 16 2 6 0 2 6 17 2 6 0 2 6 18 2 6 0 2 6 19 2 6 0 2 6 20 0 21 2 6 0 2 6 22 0 23 2 6 0 2 6 24 2 6 0 2 6 25 2 6 CLK 0 2 6 26 0 27 2 6 CLK 0 2 6 28 0 29 2...

Page 32: ...3 14 3 15 LCD P C BOARD LOCATION GUIDE LOCATION GUIDE ...

Page 33: ......

Page 34: ...102 0433 1 75A TP109 R131 47K LF101 ACM0908 801 2P 1 2 3 4 R113 100K TP140 TP161 C109 100P OPEN TP150 TP131 TP118 R111 0 R176 OPEN C136 10U 10V R136 OPEN TP162 R110 OPEN R121 0 TP151 C111 OPEN C116 0 1U TP141 TP130 TP107 D108 RB050L 40 1 2 TP154 R112 OPEN D110 RB050L 40 1 2 R177 OPEN TP110 R103 56K C137 10U 10V TP142 Q102 SI3863DV 1 2 3 4 5 6 R127 0 L101 5 4UH 1 6A L103 10UH 1 4A D115 OPEN 1 2 C11...

Page 35: ... Pick Up 7 7XL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Fo Tr Tr Fo NC4 GND3 Vref Vcc T2 T1 SW NC3 CD LD LD GND DVD LD NC2 HFM GND2 RF GND1 TB TA TC TD F2 F1 Imon NC1 CD VR DVD VR TP247 L201 10uH GT218 R220 1 5K GT244 TP263 B203 BEAD C211 22U 10V GT219 TP248 R201 0 GT205 TP264 D210 1SS355 GT220 R203 0 Q204 2SB1132 1 2 3 GT221 C205 0 01U TP249 R219 1 5K GT206...

Page 36: ...0 C540 10U 25V R510 33 C527 0 1U TP630 TP519 C526 0 1U TP595 L506 10UH TP500 C525 0 1U C544 1U TP596 R509 51 TP532 TP697 C581 0 1U C524 0 1U C566 12P C534 22U 10V TP631 TP520 L505 10UH C565 390P C522 0 1U TP609 TP538 D500 STZ6 8N 1 2 3 1 2 3 C521 0 1U TP501 TP533 TP598 L502 10UH R502 10K C586 22U 10V TP632 C512 330P TP599 C582 0 1U TP610 C557 10U 6 3V L504 10UH TP502 TP539 X500 27MHz C504 1U C571 ...

Page 37: ...T300 R3B3 5 6K TP310 TP388 Q305 KTA1504S 1 2 3 C337 0 47U 25V TP338 C385 10U 10V C302 0 1U C316 0 1U GT310 TP324 R346 330 GT311 R313 1 8K R339 4 7K GT306 R3B8 5 6K IC305 NJM4580M C344 0 1U C367 10U 10V C333 0 1U GT301 TP339 GT307 TP325 C305 270P R368 OPEN R3B5 0 TP311 L311 10UH C368 10U 10V L305 10UH R389 10K R340 0 D303 STZ6 8N 1 2 3 1 2 3 CE318 47U 6 3V R374 15K C346 0 1U C320 1000P L308 10UH TP...

Page 38: ...L GND4 NC5 KEY_M NAVIGATION NC4 NC3 NC2 NC1 WAKEUP GND2 GND1 E 5V1 E 5V2 TP426 R450 75 C450 0 1U CE401 220U 6 3V GT420 GT411 C443 33P C461 22U 16V B442 BEAD GT406 J403 CVBS JACK 1 2 3 4 1 2 3 4 R435 4 7K L401 10UH C440 OPEN D434 STZ6 8N 1 2 3 1 2 3 GT431 R407 100 Q415 KTC3875 1 2 3 C419 100P L406 2 2uH GT419 C432 0 1U IC402 MM1226XFBE 1 2 3 4 5 6 7 8 VIN1 SW1 VIN2 NC1 NC2 V OUT GND C455 10U 10V B4...

Page 39: ...R781 4 7K R771 220 TP725 IC701 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 AD0 AD1 AD2 AD3 AD4 AD5 AD6 AD7 AVSS P10 P12 INTP0 INTP1 INTP2 INTP3 SCK VDD1 TX RX P23 P24 IC0 VPP XT2 XT1 RESET X2 X1 VSS0 VDD0 P25 P26 P00 P01 P02 P03 P04 VSS1 P05 P50 P51 P52 P53 AVDD AVREF TP706 TP716 TP734 R767 220 R751 10K C703 0 1U R754 O...

Page 40: ...N FB1 DTC1 OUT1 GND VCC OUT2 DTC2 FB2 IN2 IN2 SCP REF F801 0433 750mA C8F4 470P L8F3 33UH TP800 C8F5 470P C8F41 22U 25V C8G7 OPEN C8F9 OPEN Q8F1 2SD1898 1 2 3 C8F6 470P R8F7 6 2K C8L1 0 1U TP804 R8F4 39K R8G4 33K C8F91 22U 25V TP810 R8F3 39K L8F1 100UH 0 45A R8G3 33K C8G2 0 1U C8F1 0 47U 25V TP801 R8G5 560 L8F4 33UH TP805 R8F2 1K TP811 R8G2 33K C8F51 22U 16V R8F1 220K TP812 R8G1 18K C8F11 22U 16V ...

Page 41: ... 047U 25V TP665 C601 0 47U 25V TP666 R602 100K TP655 IC601 MB3887 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 INC2 OUTC2 INE2 INE2 FB2 VREF FB1 INE1 INE1 OUTC1 OUTD INC1 INC1 CTL FB3 INE3 RT VCC VH OUT VCC O CS GND INC2 CE604 OPEN C602 5600P C607 0 47U 25V TP667 R601 10K 1 B603 BEAD TP656 C606 0 047U 25V Q601 SI4435DY 1 2 3 4 5 6 7 8 TP668 C611 22U 16V X5R GT602 D603 UDZS16B C61...

Page 42: ...8 9 10 11 12 GND2 GND1 LCDPWR3 LCDPWR2 LCDPWR1 5V 7V 10V 15V MODE1 MODE2 MODE3 GT919 D905 STZ6 8N 1 2 3 1 2 3 TP922 B909 BEAD B911 BEAD TP902 GT907 R903 220K R908 2 7K TP910 R921 0 C903 0 1U R922 15K C906 10U 10V GT914 GT920 C902 0 1U GT908 GT902 TP911 B913 BEAD TP920 B903 BEAD R920 0 R923 39K R907 1 3K TP917 D906 STZ6 8N 1 2 3 1 2 3 TP916 C905 10U 10V B914 BEAD GT901 R906 2 7K R932 9 1K D907 OPEN...

Page 43: ...OCK RESET FLASH R W SIGNAL 1 MT1389 main clock is at 27MHz X500 3 8V 27MHz FIG 1 1 2 SDRAM CLOCK 1 MT1389 main clock is at 27MHz X501 IC500 PIN 229 228 DCLK 93MHz Vp p 2 2 Vmax 2 7V FIG 2 1 3 DISC TYPE JUDGEMENT WAVEFORM F IC200 PIN 24 FE IC500 PIN 31 RFL IC500 PIN 6 FIG 7 1 DVD ...

Page 44: ...31 RFL IC500 PIN 6 FIG 7 2 DVD F IC200 PIN 24 FE IC500 PIN 31 RFL IC500 PIN 6 FIG 7 4 CD F IC200 PIN 24 FE IC500 PIN 31 RFL IC500 PIN 6 FIG 7 3 CD 4 FOCUS ON WAVEFORM FE IC500 PIN 31 FOSO IC200 PIN9 F IC200 PIN 24 F IC200 PIN 23 FIG 8 1 DVD ...

Page 45: ...RM NO DISC CONDITION DMSO 1 4V 1 8V IC501 PIN 18 SP 3 6V 2 4V IC202 PIN 10 SP 3 6V 4 8V IC202 PIN 11 FIG 9 1 6 TRACKING CONTROL RELATED SIGNAL System checking TE IC500 PIN 32 TRSO IC200 PIN 8 T IC200 PIN 20 T IC200 PIN 19 FIG 10 1 DVD TE IC500 PIN 32 TRSO IC200 PIN 8 T IC200 PIN 20 T IC200 PIN 19 FIG 10 2 CD ...

Page 46: ... 1 1V IC500 PIN 25 RFON 0 8V 2 0V IC500 PIN 26 FIG 11 1 8 MT1389 AUDIO OPTICAL AND COAXIAL OUTPUT ASPDIF IC500 PIN 225 FIG 12 1 9 MT1389 VIDEO OUTPUT WAVEFORM 1 Full colorbar signal CVBS IC604 PIN 23 FIG 13 1 2 Y IC604 PIN 21 FIG 13 2 ...

Page 47: ...3 54 3 55 3 C IC604 PIN 26 FIG 13 3 2 Audio related Signal ASDAT0 IC301 PIN 3 ABCK IC301 PIN 4 ALRCK IC5301 PIN 5 ASDAT 0 FIG 14 2 10 AUDIO OUTPUT FROM AUDIO DAC 1 Audio L R FIG 14 1 JK601 PIN 4 5 ...

Page 48: ... 0 135 1 33 1 37 136 3 3 3 3 STOP PLAY MODE PIN NO 137 2 63 1 65 138 3 27 3 1 139 3 2 63 140 3 2 3 1 141 3 3 3 3 142 2 9 2 38 143 1 59 1 7 144 0 0 145 1 38 1 55 146 0 07 0 147 0 31 0 78 148 0 0 149 1 51 1 95 150 1 49 1 93 151 1 49 1 62 152 1 8 1 75 153 0 0 154 0 0 155 3 3 3 3 156 1 72 1 72 157 0 92 2 29 158 0 0 159 0 0 160 0 0 161 0 0 162 1 56 1 4 163 0 0 164 2 36 1 54 165 2 32 1 61 166 1 49 1 61 ...

Page 49: ...8 238 13 2 35 2 35 14 2 37 2 37 15 0 05 0 05 16 2 47 2 47 1 0 14 0 14 2 9 08 9 08 3 9 33 9 33 4 0 14 0 14 5 0 0 6 0 0 1 4 97 4 97 2 4 97 4 97 3 0 0 4 0 08 0 08 5 9 84 9 84 6 0 0 51 0 38 1 51 52 0 0 53 0 25 1 18 54 0 0 1 0 0 2 0 0 3 0 0 4 0 0 5 3 31 3 31 6 0 0 7 0 0 8 3 31 3 31 1 0 0 2 0 16 0 15 3 0 0 4 0 0 5 1 93 2 23 6 0 0 7 0 31 0 03 8 0 82 0 02 9 0 0 10 0 12 0 04 11 2 1 1 61 12 0 0 13 0 0 14 0 ...

Page 50: ...3 60 3 61 PRINTED CIRCUIT DIAGRAMS 1 MAIN P C BOARD LOCATION GUIDE LOCATION GUIDE ...

Page 51: ...2 KEY P C BOARD LOCATION GUIDE LOCATION GUIDE 3 62 3 63 ...

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