LG 32LH70YR - Block Diagram

LGE Internal Use OnlyCopyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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BLOCK DIAGRAM
RGB_PC PC_Audio TV (RF) COMP1
HDMI1 HDMI2 HDMI3
RS232
TX
232C Driver
ST3232C
Tx/ Rx : ± 15Vpp PC_R/G/B/HS/VS PC_Audio_L/ R :700mVrms
MNT_VOUT: 1Vpp
AV2_VIN : 1Vpp
AV2_LIN/ RIN :500mVrms
L_SPK_OUT
R_SPK_OUT
EEPROM
24C02
Comp1_L/ R :500mVrms
TUNER
AV1_VIN : 1Vpp AV1_LIN/ RIN :500mVrms
PWM
NTP3100L
MNT_OUT
MNT_LOUT/ ROUT: 500mVrms
AV 2
MAIN SCALER
LGE376xA
TXD / RXD : 5V Digital
COMP1_Y/Pb/ Pr: 1/ 0.7Vpp
COMP2_Y/Pb/ Pr: 1/ 0.7Vpp
IR HDMI_DATA_1 HDMI_DATA_2
TU_MAIN
S I F
COMP1_Y/Pb/ Pr: 1/0.7Vpp
AV1_VIN PC_Audio_L/ R COMP1_LIN/RIN
L_CH
R_CH
FRC LVDS connector
TU_MAIN
M_SCL/ SDA
M_SCL/ SDA
EEPROM
24C02
SIF
AV1_LIN/ RIN MNT_L/ R OUT
AV1 MNT_OUT
Comp2_L/ R :500mVrms COMP2_Y/Pb/ Pr: 1/0.7Vpp
COMP2_LIN/RIN
COMP2
PC_R/G/B/HS/VS
DDC_SCL1/SDA1 DDC_SCL1/SDA2 DDC_SCL1/SDA3
DSUB_SCL/SDA
MNT_VOUT AV2_VIN AV2_LIN/ RIN
IIS_OUT
USB USB_DP/ DN
AUDIO
AMP
HDMI_DATA_3
TMDS TMDS
TMDS
EEPROM
24C02
FULL HD LVDS co nnector
FRC IC
LGE7329A
URSA_[C~D]
URSA_[ A:B]
OPC_EN
DDR2 SDRAM
(2*256MB)
Serial Flash
PSU
RL_ON/ I-D IMMING/ DI SP_EN
PANEL_STATUS
E-DIM
OPC_OUT
Bluetooth
Circuit
BLT_DP/ DN
DDR2 SDRAM
(512MB)
EEPROM (256K) Serial Flash (8MByte)
EEPROM for HDCP (8K)
EEP_SCL/ SDA EEP_SCL/ SDA
MEMC_RXE2± MEMC_RXE4± MEMC_RXC3± MEMC_RXC± MEMC_RXE1± MEMC_RXE0±
MEMC_RXO2± MEMC_RXO4± MEMC_RXO3± MEMC_RXOC± MEMC_RXO1± MEMC_RXO0±
EEPROM
24C02
M_SCL/ SDA