LG Electronics LD84A service manual Block, Diagram

Page 20

Copyright © 2008 LG Electronics

Only for training and service

SC2_L/R_IN

DTV/MNT_L/R_OUT

DTV/MNT_V_OUT

SC2_CVBS_IN

KIA7427

24C512

(IC104)

(IC105)

RESET I2C

. Inc. All right reserved. purposes

- 20

TV Tuner

SC1_CVBS_IN

TV_L/R_OUT

SC1_L/R_IN

SC1_R/G/B

SC1_TV_VOUT

DSUB_R/G/B

EEPROM

 

DSUB_H/V_SYNC

PC_L/R_IN

5V_ANT_MNT BOOSTER TV_CVBS SIF

R/G/B

STMAV340

(IC700)

DDC/UART-Tx/Rx

Saturn3+

I2C_A_TU

I/O Expander

(IC103)

Flash Memory

4MB (IC102)

Flash Memory

4MB (IC101)

DDR Memory DDR Memory

256Mb (IC300) 256Mb (IC300)

LCD Panel

52/47/42/37” : FHD

32”: : HD

BLOCK

-

TU_TS_DATA

I2C_D_TU / I2C_A_TU

COMP_Y/Pb/Pr

COMP_L/R_IN

74HC4066

 

(IC1001)

USB_DM/DP

 

 

74LVC541A

TPA6110A2

TSSerial

PCMDATA

PCMADD

TSParallel

PCMCDON

 

 

 

 

 

(IC1002)

 

 

 

 

 

LVDS

LED_G/R & IR

KEY1/2

IIC(Eye Q II)

DIAGRAM

LGE Internal Use Only

 

 

 

 

 

 

 

 

 

 

 

 

MAX3232

 

(IC800)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

(IC702)

 

 

 

 

 

 

 

 

EEPROM

 

 

 

 

 

 

 

 

 

 

 

 

 

EEPROM

 

 

 

 

 

 

 

 

 

 

 

 

 

EEPROM

 

HDMI_I2C

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HDMI_I2C_0

 

HDMI

 

 

 

 

HDMI_CEC x3

 

HDMI_CEC/Rx/HPD

 

 

 

TMDS x3

 

Switch

 

 

 

 

 

 

 

(IC902)

 

 

 

 

 

 

HPD x3

 

5V_HDMI

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SideY/C/V/L/R

HeadphoneOut

SPDIFOut

CI_CD_1/2

 

 

 

CI Slot

 

 

 

(P800)

KIC7SZ32FU

(IC802)

MUTE

 

SP (L)

 

NTP3000A

 

IIS

(IC1000)

 

 

P1000

SP (R)

Image 20
Contents LCD TV Contents Safety Precautions Important Safety NoticeServicing Precautions Electrostatically Sensitive ES DevicesIC Remove/Replacement Specification Module general specificationApplication range Requirement for TestModel general specification RGB PC Input Mode Component Video Input Y, PB, PRSdtv Sdtv 480PSdtv 576P Hdtv 720PMain PCB check process Adjustment InstructionDesignation ADC Process Function CheckCalibration Component AV SCART1/SCART2/S-VHS/CVBSTotal Assembly line process Internal pressure Setting Scaler MstarOutgoing condition Configuration Troubleshooting No PowerSymptom Check processNo Raster Unusual display from TV/CATV mode Unusual display from DTV modeUnusual display from AV1/AV2SCART mode Unusual display from AV3SIDE AV modeUnusual display from Component mode Cvbs Input RGB InputUnusual display from RGB mode Unusual display from Hdmi 1/2/3 modeNo Sound Diagram BlockMemo Exploded View Page Page Page Feb