LG Electronics 42CS560-ZD service manual GP3S7LR NTP7400, IC501 NTP-7400L, LGE Internal Use Only

Page 36
IC501

+3.3V_Normal

AMP_RESET

 

 

R521

C516

 

10K

1000pF

 

 

50V

L502

 

 

BLM18PG121SN1D

 

 

 

AUD_MASTER_CLK

C517

50V

22000pF

 

+24V_AMP

OPT

R507

3.3

+24V

 

 

 

+24V_AMP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C514

 

C515

 

IO

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

 

10uF

 

 

 

L501

 

 

 

 

 

 

 

 

 

 

 

10V

[EP]

VDD_

 

MLB-201209-0120P-N2

 

 

 

 

 

 

 

 

16V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OPT

 

 

OPT

C512

 

 

 

 

 

C501

 

 

 

 

C502

 

 

C508

 

C510

 

 

 

 

 

 

 

 

 

 

 

 

 

C506

 

10uF

0.1uF

 

 

 

 

 

 

 

0.1uF

 

 

 

 

0.1uF

 

 

10uF

0.1uF

 

10V

16V

 

 

 

 

 

 

 

50V

 

 

 

 

50V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

10V

16V

 

 

 

 

 

 

 

48

 

 

 

 

 

 

 

 

C504

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

1000pF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

C503

50V

 

 

 

 

 

 

 

 

AGND_PLL

 

 

 

 

 

 

 

 

100pF

R505

 

 

 

 

 

 

 

 

1

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.3K

 

 

 

 

 

 

 

 

 

 

 

 

 

 

50V

 

 

 

 

 

 

 

AVDD_PLL

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DVDD_PLL

3

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LF

4

 

CLK I

GND IO

AD

/RESET

47

46

45

44

THERMAL

49

BST1A

PGND1A

43

42

41 OUT1A_2

40 OUT1A_1

39 PVDD1_3

38 PVDD1_2

1

C519

 

C521

C523

_

0.1uF

 

0.1uF

10uF

PVDD1

50V

 

50V

35V

 

 

 

 

 

 

 

 

 

 

 

 

37

 

OUT1B_2

 

36

 

 

 

 

35

OUT1B_1

 

34

PGND1B

 

33

BST1B

OPT

C525

0.01uF

50V

D501

 

 

1N4148W

R508

R515

100V

12

12

OPT

C530

 

 

 

 

390pF

 

 

50V

 

 

C531

 

D502

390pF

 

50V

 

1N4148W

R509

R513

100V

12

12

OPT

 

 

C526

22000pF

50V

L505

10.0uH

L506

10.0uH

 

 

 

 

 

 

SPK_L+

 

 

 

C537

 

R516

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

4.7K

 

C535

 

50V

 

 

 

 

 

 

 

 

 

 

0.47uF

 

 

 

 

SPEAKER_L

 

50V

 

 

 

 

 

 

 

C538

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

R517

 

 

 

50V

 

4.7K

 

 

 

 

 

 

SPK_L-

 

 

 

 

 

 

WAFER-ANGLE

 

 

 

 

 

 

 

DGND_PLL

5

 

 

 

 

OPT

 

 

GND_1

6

 

 

 

 

C511

 

 

 

 

 

 

10uF

C513

 

 

 

 

 

 

10V

0.1uF

 

DGND

 

 

 

 

 

 

16V

 

7

 

 

 

 

 

 

 

 

 

 

 

 

 

 

DVDD

8

AUD_LRCH

 

 

 

 

 

 

SDATA

9

 

 

 

WCK

AUD_LRCK

 

 

 

 

 

 

10

 

 

 

BCK

AUD_SCK

 

 

 

 

 

 

11

 

 

 

 

SDA

AMP_SDA

R503 100

 

 

12

 

 

 

 

 

 

IC501

NTP-7400L

32VDR1

31VCC_5

30GND_2

29VDR2

28BST2A

27PGND2A

26OUT2A_2

25OUT2A_1

C528

 

C529

C534

 

1uF

 

1uF

1uF

25V

 

25V

25V

C527

22000pF

50V

SPK_L+

4

SPK_L-

3

SPK_R+

2

SPK_R-

1

P501

AMP_SCL

 

R504

100

 

13

 

 

 

 

 

 

+3.5V_ST

 

C507

C509

 

 

33pF

33pF

 

 

 

 

 

 

 

 

 

 

50V

50V

 

 

 

R502

 

 

 

SCL

 

 

 

 

 

 

R520

 

10K

R506

 

 

 

10K

 

 

 

 

 

 

 

C

 

100

C505

 

 

 

 

 

 

 

 

R501

B

Q501

 

1000pF

 

 

AMP_MUTE

 

50V

 

 

 

 

 

 

 

2SC3052

 

 

10K

 

 

 

 

 

 

 

 

 

 

 

E

 

 

 

 

 

14

/FAULT

15

MONITOR0

16

17

18

MONITOR1

MONITOR2

BST2B

C518

22000pF

50V

19

PGND2B

20

OUT2B_1

21

OUT2B_2

22

PVDD2_1

23

PVDD2_2

24

 

 

 

 

 

 

 

3

 

 

 

 

+24V_AMP

 

 

 

 

PVDD2_

 

 

 

 

 

 

 

 

C520

 

C522

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

0.1uF

 

 

 

 

 

50V

 

50V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

D503

R510

R514

 

1N4148W

12

12

 

100V

 

 

 

OPT

C532

 

 

 

 

 

 

390pF

 

 

 

50V

 

C524

 

 

 

10uF

 

C533

 

 

390pF

 

35V

D504

50V

 

 

 

 

1N4148W

R511

R512

 

100V

 

12

12

 

OPT

 

 

L503

10.0uH

L504

10.0uH

 

 

 

 

 

 

SPK_R+

 

 

 

C539

 

R518

 

 

 

 

 

C536

0.1uF

 

4.7K

 

50V

 

 

 

 

0.47uF

 

 

 

SPEAKER_R

 

50V

 

C540

 

R519

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0.1uF

 

4.7K

 

 

 

50V

 

 

 

 

 

 

 

 

 

SPK_R-

 

 

 

 

 

 

THE GP3_S7LR 20110324 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.

Manual background GP3_S7LR Manual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background 20110324 Manual background

NTP7400 Manual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual backgroundManual background 16 Manual background

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

LGE Internal Use Only

Only for training and service purposes

 

Page 35 Page 37
Image 36
Page 35 Page 37
Contents CHASSIS LD01M READ THE SAFETY PRECAUTIONS IN THIS MANUALhttp//aic.lgservice.com http//eic.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 PC7. HDMI Input PC/DTV 1 DTV Mode2 PC 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 TROUBLESHOOTING 1. Power-up boot checkNo No No No No 2. Digital TV Video 3. Analog TV VideoNo No No No 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 Audio12. AV Audio 13. Component/ SCART Audio14. RGB Audio DIAGRAM SideRear OptionEXPLODED 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
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