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

Models: 42CS560-ZD

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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	OUT1B_2
	36

35	OUT1B_1
35
34	PGND1B
34
33	BST1B

OPT

C525

0.01uF

50V

D501
1N4148W	R508	R515
100V	12	12
OPT	C530
	C530
	390pF
	50V
	C531
D502	390pF
D502	50V
1N4148W	R509	R513
100V	12	12
OPT

C526

22000pF

50V

L505

10.0uH

L506

10.0uH

						SPK_L+
			C537		R516
					R516

			0.1uF		4.7K
	C535		50V
	C535
	0.47uF					SPEAKER_L
	50V					SPEAKER_L
			C538
			C538
			0.1uF		R517
			50V		4.7K
						SPK_L-
						SPK_L-

WAFER-ANGLE

							DGND_PLL	5
				OPT			GND_1	6
				C511			GND_1
				10uF	C513
				10V	0.1uF		DGND
					16V			7
								7
							DVDD	8
AUD_LRCH							SDATA	9
AUD_LRCH							WCK	9
AUD_LRCK							WCK	10
AUD_LRCK							BCK	10
AUD_SCK							BCK	11
AUD_SCK							SDA	11
AMP_SDA	R503 100						SDA	12
AMP_SDA								12

IC501

NTP-7400L

32VDR1

31VCC_5

30GND_2

29VDR2

28BST2A

27PGND2A

26OUT2A_2

25OUT2A_1

C528		C529	C534
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
AMP_SCL
	+3.5V_ST			C507	C509
	+3.5V_ST			33pF	33pF
				33pF	33pF
				50V	50V
		R502				SCL
		R502
R520		10K	R506
10K
	C		100	C505
				C505
R501	B	Q501		1000pF
AMP_MUTE	B			50V

		2SC3052
10K		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
3
PVDD2_
					C520		C522



					0.1uF		0.1uF
					50V		50V

	D503	R510	R514
	1N4148W	12	12
	100V
	OPT	C532
		C532
		390pF
		50V
C524
10uF		C533
10uF		390pF
35V	D504	50V
35V	D504
	1N4148W	R511	R512
	100V	R511	R512
	100V	12	12
	OPT

L503

10.0uH

L504

10.0uH

						SPK_R+
			C539		R518
			C539		R518
	C536		0.1uF		4.7K
	C536		50V
	0.47uF					SPEAKER_R
	50V		C540		R519



			0.1uF		4.7K
			50V
						SPK_R-
						SPK_R-

THE 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 SYMBOL MARK OF THE SCHEMETIC.

GP3_S7LR 20110324

NTP7400 16

Copyright © 2012 LG Electronics. Inc. All rights reserved.	LGE Internal Use Only
Only for training and service purposes

Image 36

LG Electronics 42CS560-ZD GP3S7LR NTP7400, IC501 NTP-7400L, Copyright 2012 LG Electronics. Inc. All rights reserved

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 No No No No4. AV Video 5. Component VideoNo No No ok No6. SCART Video 7. RGB VideoNo No No 8. HDMI Video No No No No NoCheck HDMI Cable conductors for damage or open conductor 9. All Source Audio ok Nook No 10. Digital TV Audio 11. Analog TV Audiook No ok No12. 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 Only for training and service purposesVDDC NormalFROM LIPS & POWER B/D PowerDET+3.3VNormal +1.5VDDRCONTROL IR & LED Only for training and service purposesTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics. Inc. All rights reservedUSBDIODES Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyOnly for training and service purposes THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICHDMI EEPROM HDMI1New Item Development Only for training and service purposesTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC RGB/SPDIF/PC/HPRS232C Only for training and service purposesGP3S7LR RS232C9PIN Copyright 2012 LG Electronics. Inc. All rights reservedOnly for training and service purposes THE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATESSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISGP3S7LR DDR256 Only for training and service purposesTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics. Inc. All rights reservedGP3S7LR SFLASH Only for training and service purposesCopyright 2012 LG Electronics. Inc. All rights reserved LGE Internal Use OnlyGP3S7LR 20110511TUNERL Only for training and service purposesGP3S7LR NTP7400 Only for training and service purposesIC501 NTP-7400L Copyright 2012 LG Electronics. Inc. All rights reservedFull Scart/ Comp1 GP3S7LR REAR JACKOnly for training and service purposes THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICOnly for training and service purposes THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICSIDE COMPONENT PHONE JACK New Item Developmen Copyright 2012 LG Electronics. Inc. All rights reservedCI Region Option name of this page CISLOT because of Hong KongGP3S7LR PCMCI Only for training and service purposesGASKET SMD GASGP3 S7LR 20110324