Manuals / LG Electronics / TV and Video / Flat Panel Television

LG Electronics 42CS669C-ZD New Item Development, Rgb/Spdif/Pc/Hp, LGE Internal Use Only

Models: 42CS669C-ZD

1 41

Download 41 pages 47.27 Kb

Page 30

RGB/SPDIF/PC/HP

RGB/SPDIF/PC/HP

New Item Development

EARPHONE BLOCK

HP_LOUT

C1118

002:V7

10uF

C1115

16V

1000pF

50V

R1125

C

E

OPT

1K

Q1101

B

MMBT3904-(F)

MMBT3904-(F)

B

Q1104

E

C

HP_ROUT

HP_DET

C1119

002:V7

10uF

16V

C1116

1000pF

C

E

50V

R1128

Q1102

B

MMBT3904-(F)

OPT

MMBT3904-(F)

1K

B

Q1103

E

+3.3V_Normal

R1130

10K

R1155

1K

HEAD_PHONE

JK3301

KJA-PH-0-0177

GND 5

L4

DETECT 3

R 1

			ISA1530AC1		+3.5V_ST
		Q1105
		Q1105
C				E

		B

C

R1129

3.3KB

SIDE_HP_MUTE

E

Q1106

2SC3052

PC AUDIO

JK1102

SPDIF OPTIC JACK

PEJ027-04

3	E_SPRING
6A	T_TERMINAL1
7A	B_TERMINAL1				PC_R_IN
					PC_R_IN	002:S12
	R_SPRING	D1101	C1107	R1107
4	R_SPRING	D1101	C1107	15K
		AMOTECH	100pF	R1102
		5.6V	50V	470K	R1110
5	T_SPRING	OPT			10K
5	T_SPRING
	B_TERMINAL2			R1108
7B	B_TERMINAL2			15K	PC_L_IN 002:S12
					PC_L_IN 002:S12
6B	T_TERMINAL2	D1102	C1108	R1103
6B	T_TERMINAL2	AMOTECH	C1108	R1103
		AMOTECH	100pF	470K
		5.6V	50V		R1111
		OPT			10K

5.15 Mstar Circuit Application

SPDIF_OUT

002:T18

+3.3V_Normal

	R1104		C1109		C1110	C1131
						C1131
								C1121
	10K		22uF		10uF	0.1uF		100pF
	OPT		22uF		10uF	16V		100pF
	OPT		16V		16V			50V
								50V
			OPT		OPT
			OPT		OPT

JK1103

2F01TC1-CLM97-4F

GND	1
VCC	2	Optic
VIN	3	Fiber
		4
		SHIELD
		SHIELD

RGB PC

RGB_EEMPROM_RENESAS

IC1105-*1

R1EX24002ASAS0A

A0VCC

18

A1WP

27

A2SCL

36

VSSSDA

45

DSUB_VSYNC

DSUB_HSYNC

DSUB_B+

DSUB_G+

DSUB_R+

+5V_Normal

D1115

ENKMC2838-T112

C

A1

A2

RGB_EEMPROM_ATMEL

R1139

R1140

RGB_EEPORM

IC1105

R1142

C1129

AT24C02BN-SH-T

2.2K

2.2K

0.1uF

A0

8

VCC

10K

16V

1

A1

7

WP

2

EDID_WP

A2

6

SCL

3

RGB_DDC_SCL

GND

SDA

4

5

RGB_DDC_SDA

C1127

C1128

R1141

R1143

18pF

18pF

22

50V

50V

22

C1122

D1109

C1126

D1113

D1114

D1116

68pF

68pF

30V

50V

5.6V

50V

5.6V

OPT

30V

OPT

OPT

OPT

R1133

D1110

75

30V

R1135

D1111

75

30V

+3.3V_Normal

R1146

10K

DSUB_DET

R1147

1K

R1137

D1112

D1117

30V

5.6V

75

OPT

RED GND

GND 2 RED

GREEN GND

DDC DATA

GREEN

BLUE GND

H SYNC

BLUE

NC

V SYNC

GND 1

SYNC GND

DDC CLOCK

DDC GND

JK1104

SPG09-DB-010

6

11

7

12

8

13

9

14

10

15

16 SHILED

1

2

3

4

5

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

RGB/SPDIF/HP 9

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

Image 30

LG Electronics 42CS669C-ZD New Item Development, Rgb/Spdif/Pc/Hp, Copyright 2012 LG Electronics. Inc. All rights reserved

Contents

READ THE SAFETY PRECAUTIONS IN THIS MANUAL CHASSIS LD0AWSERVICE MANUAL http//aic.lgservice.comPRODUCT SAFETY CONTENTSCONTENTS SPECIFICATIONGeneral Guidance SAFETY PRECAUTIONSIMPORTANT SAFETY NOTICE Before returning the receiver to the customerSERVICING PRECAUTIONS Electrostatically Sensitive ES DevicesSmall-Signal Discrete Transistor Removal/Replacement IC Remove/ReplacementReplacement Power Output, Transistor Device Removal/Replacement1. Application range SPECIFICATION4. Model General Specification 3. Test method5. Component Video Input Y, CB/PB, CR/PR 6. RGB Input PC1 DTV Mode 2 PC Mode7. HDMI Input PC/DTV 2. Designation ADJUSTMENT INSTRUCTION1. Application Range 3. Main PCB check process3.3. EDID data 3.1. ADC Process3.2. EDID Download After downloading, have to adjust Tool Option again3.4. Function Check 4. Total Assembly line process4.1. Adjustment Preparation Manual W/B process using adjusts Remote control6.2. Command Set 4.3. Outgoing condition Configuration6.1. Signal TABLE 5. GND and HI-POT Test7. CI+ Key Download method TROUBLESHOOTING 1. Power-up boot checkNo No No No No No No No No 2. Digital TV Video3. Analog TV Video No No No NoNo No No 4. AV Video5. Component Video 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 ok No 10. Digital TV Audio11. Analog TV Audio ok No12. AV Audio 13. Component/ SCART Audio14. RGB Audio Side DIAGRAMBLOCK RearEXPLODED VIEW Copyright 2012 LG Electronics. Inc. All rights reserved Only for training and service purposesGP3S7LR LGE Internal Use OnlyVDDC Normal PowerOnly for training and service purposes Normal+3.3VNormal FROM LIPS & POWER B/DPowerDET +1.5VDDRTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC CONTROL IR & LEDOnly for training and service purposes Copyright 2012 LG Electronics. Inc. All rights reservedCopyright 2012 LG Electronics. Inc. All rights reserved USBDIODESOnly for training and service purposes LGE Internal Use OnlyHDMI EEPROM Only for training and service purposesTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC HDMI1THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC New Item DevelopmentOnly for training and service purposes RGB/SPDIF/PC/HPGP3S7LR RS232C9PIN RS232COnly for training and service purposes Copyright 2012 LG Electronics. Inc. All rights reservedSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION Only for training and service purposesTHE SYMBOL MARK OF THIS SCHEMETIC DIAGRAM INCORPORATES FILRE AND ELECTRICAL SHOCK HAZARDS, WHEN SERVICING IF ISTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC GP3S7LR DDR256Only for training and service purposes Copyright 2012 LG Electronics. Inc. All rights reservedCopyright 2012 LG Electronics. Inc. All rights reserved GP3S7LR SFLASHOnly for training and service purposes LGE Internal Use OnlyTUNERL GP3S7LR20110511 Only for training and service purposesIC501 NTP-7400L GP3S7LR NTP7400Only for training and service purposes Copyright 2012 LG Electronics. Inc. All rights reservedOnly for training and service purposes Full Scart/ Comp1GP3S7LR REAR JACK THE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETICSIDE COMPONENT PHONE JACK New Item Developmen Only for training and service purposesTHE CRITICAL COMPONENTS IN THE SYMBOL MARK OF THE SCHEMETIC Copyright 2012 LG Electronics. Inc. All rights reservedGP3S7LR PCMCI CI RegionOption name of this page CISLOT because of Hong Kong Only for training and service purposesGP3 S7LR GASKETSMD GAS 20110324