LG 50PA6500 Service Manual page 38

LM1
4-6. GP4 I2C MAP
I2C_SCKM1/GPIO75
I2C_SDAM1/GPIO76
IC400
I2S_IN_WS/GPIO149
SPDIF_IN/GPIO152
I2S_IN_SD/GPIO151
I2S_IN_BCK/GPIO150
I2C_SCKM2/DDCR_CK/GPIO72
I2C_SDAM2/DDCR_DA/GPIO71
Copyright © 2012 LG Electronics Inc. All rights reserved.
Only for training and service purposes
AE6 TU_SCL
AD6 TU_SDA
GPIO49
AB5 AMP_SCL
GPIO50
AB3 AMP_SDA
D9 P_SCL
D7 P_SDA
D8 SUB_SCL
C8 SUB_SDA
P23 I2C_SCL
P24 I2C_SDA
+3.3V_TU
R3082.2K R309 2.2K
+3.3V
R624 2K R623 2K
+3.3V_AVDD
R468 3.3K R466 3.3K
+3.3V_ST
R538 4.7K
R539 4.7K
+3.3V_AVDD
R468 2.2K
R469 2.2K
EAX64337201_0
TU300
TDSS-G201D
IC300
STA368BWG
SCL_3.3V_MOD
P500
SDA_3.3V_MOD
LVDS
P501
KEY/IR PIN8
IC503 EEPROM
IC502 HDCP (OTP)
LGE Internal Use Only