LG 42PT250B Service Manual page 31

LM1 I2C MAP
TGPIO2/I2C_CLK (R3)
TGPIO3/I2C_SDA (T3)
DDCR_DA/GPIO71 (M22)
DDCR_CK/GPIO72 (N22)
TGPIO0/UPGAIN (U1)
TGPIO1/DNGAIN (U2)
I2S_IN_SD/GPIO176 (F13)
SPDIF_IN/GPIO177 (G14)
DDCDB_CK/GPIO25
(D4)
DDCDB_DA/GPIO26 (E4)
DDCDD_CK/GPIO29 (B4)
(C4)
DDCDD_DA/GPIO30
S7LR
DDCDC_CK/GPIO27 (AA4)
(AB4)
DDCDC_DA/GPIO28
(A5)
DDCA_DA/UART0_TX
DDCA_CK/UART0_RX (B5)
UART_TX2/GPIO65 (M23)
(N23)
UART_RX2/GPIO64
PM1_PM_UART_TX (D7)
(C5)
PM1_PM_UART_RX
UART1_RX/GPIO50 (F20)
(F19)
UART1_TX/GPIO51
I2S_IN_BCK/GPIO75 (F14)
(F15)
I2S_IN_WS/GPIO74
Copyright © 2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
<TU_SCL>
<TU_SDA>
TUNER
TUNER
LGIT HN(LGT10)
LGIT HN(LGT10)
0xC2(PLL)/0x10(Analog Demod)
0xC2(PLL)/0x10(Analog Demod)
<I2C_SDA>
<I2C_SCL>
NVRAM
HDCP EEPROM
NVRAM
HDCP EEPROM
0xA0
0xA0
<AMP_DEMOD_SCL>
<AMP_DEMOD_SDA>
DEMOD.(BRAZIL)
AMP DEMOD.(BRAZIL)
AMP
STA338
STA338
0x36??
0x36??
<P_SCL>
<P_SDA>
<DDC_SCL2>
EEPROM
EEPROM
HDMI1
HDMI1
<DDC_SDA2>
0XA0
0XA0
<DDC_SCL3>
EEPROM
EEPROM
HDMI1
HDMI1
<DDC_SDA3>
0XA0
0XA0
<DDC_SCL4>
EEPROM
EEPROM
HDMI1
HDMI1
<DDC_SDA4>
0XA0
0XA0
<RGB_DDC_SDA>
EEPROM
EEPROM
RGB
RGB
RGB
<RGB_DDC_SCL> RGB
Jack
Jack
0XA0
0XA0
<S7_TXD>
MX3232
MX3232
<S7_RXD>
<UART_PM_TX>
<UART_PM_RX>
<MOD_ROM_RX>
Module
Module
<MOD_ROM_TX>
<SUB_SDA>
Sub(IR)
Sub(IR)
<SUB_SCL>
Assy
Assy
0xA8
0xA8
MN884433
MN884433
0xD8
0xD8
PDP MODULE
PDP MODULE
0x1C
0x1C
5V_HDMI_1
/+5.0V
5V_HDMI_2
/+5.0V
5V_HDMI_Side
/+5.0V
+5V_ST
Debug
Debug
Jack
Jack
+3.3V_ST
+3.3V
+3.3V
+3.3V
+3.3V_AVDD
+3.3V
+3.3V_AVDD
LGE Internal Use Only