LG Electronics 42CS669C-ZD Usbdiodes, Copyright 2012 LG Electronics. Inc. All rights reserved

Page 28

USB_DIODES

EAN61849601

IC1450

L1451-*1AP2191DSG

CIS21J121
	NC				GND


		8		1
L1451
MLB-201209-0120P-N2 OUT_2			$0.077		IN_1
		7		2

120-ohm

+5V_USB

C1452

R1458	R1459	OUT_1	6	3	IN_2

10uF

C1453

USB_JACK_LV3400

JK1450-*1

305-ZC-(LG)

USB_JACK

JK1450

2K	2K	C1451
1/8W	1/8W
1%	1%	22uF	FLG			EN
			FLG			EN
		16V		5	4

R1451 47

10V 0.1uF

+3.3V_Normal

R1455

4.7K OPT

USB1_CTL

R1454

10K

USB1_OCD

-H-LG	USB	1
3AU04S-345-ZC	DOWN STREAM	4 3 2
		5

3AU04S-

	1
USB
DOWN	2
STREAM	3
	4
	5

SIDE_USB_DM

SIDE_USB_DP

D1451

RCLAMP0502BA

OPT

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.

GP2R 20101023

USB_OCP_DIODE 7

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

Image 28

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 PC1 DTV Mode 7. HDMI Input PC/DTV2 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 1. Power-up boot check TROUBLESHOOTINGNo No No No No 3. Analog TV Video 2. Digital 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 Audio13. Component/ SCART Audio 12. AV Audio14. RGB 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