LG Electronics 42CS669C-ZD service manual Copyright 2012 LG Electronics. Inc. All rights reserved

Page 32
Manual background

[51Pin LVDS Connector] (For FHD 60/120Hz)

PANEL_VCC

P703

FI-RE51S-HF-J-R1500

WAFER_FHD

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

Manual background L702 120-ohm

WAFER_FHD

 

 

 

 

 

C700

C709

C710

 

10uF

1000pF

0.1uF

 

16V

50V

16V

 

OPT

OPT

WAFER_FHD

 

 

 

 

 

 

 

 

 

 

 

 

Manual background RXA4-

Manual background RXA4+

Manual background RXA3-

Manual background RXA3+

Manual background RXACK-

Manual background RXACK+

[30Pin LVDS Connector] (For HD 60Hz_Normal)

P705

FF10001-30

HD

1

 

 

 

 

 

 

 

 

OPT

 

2

 

 

 

 

 

 

0

R713

 

3

 

 

 

 

 

 

4

 

 

 

 

 

 

5

 

 

 

 

 

 

6

 

 

 

 

 

RXA3-

7

 

 

 

 

 

 

 

 

 

 

RXA3+

8

 

 

 

 

 

 

9

 

 

 

 

 

RXACK-

10

 

 

 

 

 

RXACK+

11

 

 

 

 

 

 

12

 

 

 

 

 

RXA2-

13

 

 

 

 

 

RXA2+

14

 

 

 

 

 

 

15

 

 

 

 

 

RXA1-

16

 

 

 

 

 

 

 

 

 

 

RXA1+

17

 

 

 

 

 

 

 

 

 

 

 

18

 

 

 

 

 

RXA0-

19

 

 

 

 

 

 

 

 

 

 

RXA0+

LVDS_SEL

+3.3V_Normal

R712

19

20

21

22

23

24

25

26

Manual background RXA2-

Manual background RXA2+

Manual background RXA1-

Manual background RXA1+

Manual background RXA0-

RXA0+

BIT_SEL

R709

10K

20

21

22

23

24

25

26

27

3.3K OPT

R711

10K OPT

PANEL_VCC

Manual background L701 Manual background 120-ohm

HD

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

RXB4-

BIT_SEL_LOW

 

 

Manual background RXB4+

Manual background RXB3-

Manual background RXB3+

Manual background RXBCK-

Manual background RXBCK+

Manual background RXB2-

Manual background RXB2+

Manual background RXB1-

Manual background RXB1+

Manual background RXB0-

Manual background RXB0+

LVDS_SEL

+3.3V_Normal

R705

3.3K OPT

R710

10K OPT

28

29

30

31

 

OPT

HD

C701

C702

C703

10uF

1000pF

0.1uF

16V

50V

16V

OPT

 

 

 

 

 

52

THE Manual background SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES

SPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION.

FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF IS

ESSENTIAL THAT ONLY MANUFATURES SPECFIED PARTS BE USED FOR

THE CRITICAL COMPONENTS IN THE Manual background SYMBOL MARK OF THE SCHEMETIC.

GP3_S7LR Manual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background 20110324

Manual background LVDS_LARGE Manual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background 11

Copyright © 2012 LG Electronics. Inc. All rights reserved.

LGE Internal Use Only

Only for training and service purposes

 

Image 32
Contents CHASSIS LD0AW SERVICE MANUALREAD THE SAFETY PRECAUTIONS IN THIS MANUAL http//aic.lgservice.comCONTENTS CONTENTSPRODUCT SAFETY SPECIFICATIONSAFETY PRECAUTIONS IMPORTANT SAFETY NOTICEGeneral Guidance Before returning the receiver to the customerSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesIC Remove/Replacement ReplacementSmall-Signal Discrete Transistor Removal/Replacement Power Output, Transistor Device Removal/ReplacementSPECIFICATION 4. Model General Specification1. Application range 3. Test method5. Component Video Input Y, CB/PB, CR/PR 6. RGB Input PC2 PC Mode 7. HDMI Input PC/DTV1 DTV Mode ADJUSTMENT INSTRUCTION 1. Application Range2. Designation 3. Main PCB check process3.1. ADC Process 3.2. EDID Download3.3. EDID data After downloading, have to adjust Tool Option again4. Total Assembly line process 4.1. Adjustment Preparation3.4. Function Check Manual W/B process using adjusts Remote control4.3. Outgoing condition Configuration 6.1. Signal TABLE6.2. Command Set 5. GND and HI-POT Test7. CI+ Key Download method No No No No No TROUBLESHOOTING1. Power-up boot check No No No No 2. Digital TV Video3. Analog TV Video 4. AV Video 5. Component VideoNo No No ok No6. SCART Video 7. RGB Video8. HDMI Video Check HDMI Cable conductors for damage or open conductor9. All Source Audio 10. Digital TV Audio 11. Analog TV Audio14. RGB Audio 12. AV Audio13. Component/ SCART Audio DIAGRAM BLOCKSide RearEXPLODED VIEW Only for training and service purposes GP3S7LRCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyNormal Power VDDCNormal DDR3FROM LIPS & POWER B/D PowerDET+3.3VNormal +1.5VDDRCONTROL IR & LED USBDIODES IC1450HDMI EEPROM HDMI1SIDEHDMI GP3S7LR20110324 HDMI8New Item Development RGB/SPDIF/PC/HPRS232C GP3S7LR RS232C9PINOnly for training and service purposes GP3S7LR DDR256 DDR3 1.5V By CAP - Place these Caps near MemoryIC1201-*1 K4B1G1646G-BCH9GP3S7LR SFLASH IC1401-*1GP3S7LR 20110511TUNERL GP4RGLOBALTUNERBLOCKGP3S7LR NTP7400 IC501 NTP-7400LFull Scart/ Comp1 GP3S7LR REAR JACKSIDE COMPONENT PHONE JACK New Item Developmen CI Region Option name of this page CISLOT because of Hong KongGP3S7LR PCMCI 10067972-0500LFGASKET SMD GASGP3 S7LR 20110324