LG Electronics 42CS669C-ZD service manual Block, Diagram, Side, Rear, Option, S7LR, IC101, FPC51P

Page 22

forOnlyandtraining

X-tal

LVDS

FPC(51P)

24M

(FHD/50Hz)

service purposes

Electronics. Inc. All

IF +/-

SI2176

TU_CVBS

SERIAL FLASH

(LGIT)

SPI

SIF

IC1401 (8M bit)

MX25L8005M2I

Rear

DDR3 1Gb

right

DDR3 Add.

DDR3 1Gb

IC1202

IC1201

DDR3 Data

H5TQ1G63BFR

reserved.

HDMI1/2(DVI)

TMDS

H5TQ1G63BFR

I2C

M24M01-HRMN6TP

CVBS, Y/Pb/Pr, L/R

BLOCK

Component1

IC104 256Kbit

AV2

CVBS, L/R

NAND FLASH

RGB PC

RGB/H/V

IC102 (1Gbit)

S7LR

PCM_A[0:7]

CI Slot

DIAGRAM

22 -

PC/DVI Audi In

L/R

74LCX244

IC101

FE_VOUT

Buffer

F-SCART

PCM_A[8:14]

SC1_CVBS_IN

SC1_R/G/B

PCM_DATA[0:7]

FE_TS_DATA[0:7]

RS-232C

MAX3232

RS232C

TS_DATA[0:7]

SENSOR

SPDIF

_SCL/SDA

KEY1

KEY2

H/P L/R

LED_R

CONTROL

LED_B

IR & LED /

H/P OUT

SOFT TOUCH

(TACT SWITCH)

DP/DM

USB2.0

SOFT TOUCH

CVBS, L/R

_SCL/SDA

LGE

Side

AV2

Option

TMDS

Internal

I2S

HDMI3

Audio AMP

SPK L/R

NTP7400

Use Only

Image 22

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 7. HDMI Input PC/DTV2 PC Mode 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 1. Power-up boot check TROUBLESHOOTINGNo No No No No 3. Analog TV Video 2. Digital TV VideoNo No No No No No No 4. AV Video5. Component Video ok No6. SCART Video 7. RGB Video8. HDMI Video Check HDMI Cable conductors for damage or open conductor 9. All Source Audio 10. Digital TV Audio 11. Analog TV Audio13. Component/ SCART Audio 12. AV Audio14. RGB Audio Side DIAGRAMBLOCK RearEXPLODED VIEW Copyright 2012 LG Electronics. Inc. All rights reserved Only for training and service purposesGP3S7LR LGE Internal Use OnlyNormal Normal PowerVDDC DDR3+3.3VNormal FROM LIPS & POWER B/DPowerDET +1.5VDDRCONTROL IR & LED USBDIODES IC1450SIDEHDMI HDMI EEPROMHDMI1 GP3S7LR20110324 HDMI8New Item Development RGB/SPDIF/PC/HPRS232C GP3S7LR RS232C9PINSPECIAL FEATURES IMPORTANT FOR PROTECTION FROM X-RADIATION IC1201-*1 GP3S7LR DDR256DDR3 1.5V By CAP - Place these Caps near Memory K4B1G1646G-BCH9GP3S7LR SFLASH IC1401-*1TUNERL GP3S7LR20110511 GP4RGLOBALTUNERBLOCKGP3S7LR NTP7400 IC501 NTP-7400LFull Scart/ Comp1 GP3S7LR REAR JACKSIDE COMPONENT PHONE JACK New Item Developmen GP3S7LR PCMCI CI RegionOption name of this page CISLOT because of Hong Kong 10067972-0500LFGP3 S7LR GASKETSMD GAS 20110324