LG 42PN4500 Service Manual page 33

4. L13 I2C MAP
I2C_SCKM1/GPIO75
I2C_SDAM1/GPIO76
IC400
I2S_IN_WS/GPIO149
SPDIF_IN/GPIO152
I2C_SCKM2/DDCR_CK/GPIO72
I2C_SDAM2/DDCR_DA/GPIO71 I2C SDAM2/DDCR DA/GPIO71
Copyright © 2013 LG Electronics Inc. All rights reserved.
Only for training and service purposes
AE3 TU_SCL
AE2 TU_SDA
H6 H6 AMP SCL AMP_SCL
GPIO49 GPIO49
E6 AMP_SDA
GPIO50
B9 P_SCL
B6 P_SDA
AA21 I2C_SCL
AB21 AB21 I2C_SDA I2C SDA
+3.3V_TU
R308 2.2K R309 2.2K
+3.3V_AMP
R640 4.7K R641 4.7K
+3.3V
R451 3.3K
R450 3.3K
+3.3V
R453 2.2K
R452 2.2K
TU303
TDSS-H501F (0x)
IC606
STA380BW (0x)
P500
LVDS
(module
0x1C) 0 1C)
IC503 EEPROM (0xA0) IC503 EEPROM (0xA0)
LGE Internal Use Only