LG 42PW340 Service Manual page 38

GP2-R I2C MAP
TGPIO2/I2C_CLK
TGPIO3/I2C_SDA
DDCR_DA/GPIO71 (M22)
DDCR_CK/GPIO72 (N22)
TGPIO0/UPGAIN
TGPIO1/DNGAIN
I2S_IN_SD/GPIO176
SPDIF_IN/GPIO177
DDCDB_CK/GPIO25
DDCDB_DA/GPIO26
DDCDD_CK/GPIO29
DDCDD_DA/GPIO30
S7R
DDCDC_CK/GPIO27 (AA4)
(AB4)
DDCDC_DA/GPIO28
DDCA_DA/UART0_TX
DDCA_CK/UART0_RX
UART_TX2/GPIO65 (M23)
UART_RX2/GPIO64
PM1_PM_UART_TX (D7)
(C5)
PM1_PM_UART_RX
UART1_RX/GPIO50
UART1_TX/GPIO51
I2S_IN_BCK/GPIO75
I2S_IN_WS/GPIO74
GPIO36/UART3_RX
GPIO37/UART3_TX
Copyright © 2011 LG Electronics Inc. All rights reserved.
Only for training and service purposes
(R3)
<TU_SCL>
(T3)
<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
NVRAM
0xA0
0xA0
<AMP_DEMOD_SCL>
(U1)
<AMP_DEMOD_SDA>
(U2)
AMP
AMP
STA338
STA338
0x36??
0x36??
<P_SCL>
(F13)
<P_SDA>
(G14)
(D4) <DDC_SCL2>
EEPROM
EEPROM
HDMI1
HDMI1
(E4) <DDC_SDA2>
0XA0
0XA0
(B4) <DDC_SCL3>
EEPROM
EEPROM
HDMI1
HDMI1
(C4) <DDC_SDA3>
0XA0
0XA0
<DDC_SCL4>
EEPROM
EEPROM
HDMI1
HDMI1
<DDC_SDA4>
0XA0
0XA0
(A5) <RGB_DDC_SDA>
EEPROM
EEPROM
RGB
<RGB_DDC_SCL> RGB
(B5)
0XA0
0XA0
<S7_TXD>
MX3232
MX3232
(N23) <S7_RXD>
<UART_PM_TX>
<UART_PM_RX>
(F20) <MOD_ROM_RX>
Module
Module
(F19) <MOD_ROM_TX>
(F14) <SUB_SDA>
Touch
Touch
(F15) <SUB_SCL>
Assy
Assy
(K21)
<3D_RF_RXD>
RF emitter
RF emitter
(L23)
<3D_RF_TXD>
Assy
Assy
HDCP EEPROM
HDCP EEPROM
0xA8
0xA8
DEMOD.(BRAZIL)
DEMOD.(BRAZIL)
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
RGB Debug
RGB Debug
Jack Jack
Jack Jack
+3.3V_ST
+3.3V
+3.3V
+3.3V
+3.3V
+3.3V_AVDD
+3.3V
+3.3V_AVDD
LG8300
LG8300
0x74
0x74
LGE Internal Use Only