Read LG 50PN4503-ZA / 50PN450B-ZA (CHASSIS:PD31A) Service Manual online
+3.3V_TU
4. L13 I2C MAP
I2C_SCKM1/GPIO75
I2C_SDAM1/GPIO76
I2C_SDAM1/GPIO76
AE3
AE2
AE2
TU_SCL
TU_SDA
TU301
TDSS-G201D (0x)
TDSS-G201D (0x)
R308 2.2K
R309 2.2K
GPIO39
GPIO40
GPIO40
IC400
AE3
AE2
AE2
T2_SCL
T2 SDA
TU306
+3.3V_TU
R313 2.2K
R314 2.2K
GPIO40
GPIO49
AE2
H6
T2_SDA
AMP SCL
+3.3V_AMP
R640 4.7K
R641 4.7K
TDSQ-G605D (0x)
GPIO49
GPIO50
GPIO50
H6
E6
AMP_SCL
AMP_SDA
IC606
STA380BW (0x)
STA380BW (0x)
I2S_IN_WS/GPIO149
SPDIF_IN/GPIO152
B9
B6
B6
P_SCL
P_SDA
P500
LVDS
(module
0 1C)
LVDS
(module
0 1C)
+3.3V
R450 3.3K
R451 3.3K
I2C_SCKM2/DDCR_CK/GPIO72
I2C SDAM2/DDCR DA/GPIO71
I2C SDAM2/DDCR DA/GPIO71
AA21
AB21
AB21
I2C_SCL
I2C SDA
0x1C)
IC503 EEPROM (0xA0)
+3.3V
R452 2.2K
R453 2.2K
I2C_SDAM2/DDCR_DA/GPIO71
AB21
I2C_SDA
IC503 EEPROM (0xA0)
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