Read LG 42PA4500-TM / 42PA4520-TJ (CHASSIS:PA23A) Service Manual online
3-5. GP2R I2C MAP
SATURN7R
SATURN7R
DDCR_CK/GPIO72
DDCR_DA/GPIO71
EEPROM
0xA0
Ch2
EEPROM
0xA0
Ch2
<I2C-SCL>
<I2C-SDA>
HDCP
EEPROM
0xA8
Ch2
HDCP
EEPROM
0xA8
Ch2
+3.3
V
V
<EEPROM-SCL>
<EEPROM-SDA>
<EEPROM-SDA>
2.2K (R480,R482)
(N22)
(M22)
(M22)
TGPIO2/I2C_CLK
TUNER
TDTJ-S001D 0x10/C2
Ch6
TUNER
TDTJ-S001D 0x10/C2
Ch6
TGPIO3/I2C_SDA
(R3)
(T3)
(T3)
<TU_SCL>
<TU_SDA>
<TU_SDA>
+3.3V_T
<SCL1>
<SDA1>
<SDA1>
4.7K (R319,R326)
AMP STA338BWG13TR
0x38
Ch5
AMP STA338BWG13TR
0x38
Ch5
<AMP_SDA>
<AMP_SCL>
+3.3
V
V
2K (R360,R359)
(U1)
TGPIO1/DNGAIN
TGPIO0/UPGAIN
(U2)
LG8300
0x74
Ch4
LG8300
0x74
Ch4
(F13)
(G14)
(G14)
<P_SCL>
<P_SDA>
MODULE
0x1C
Ch4
MODULE
0x1C
Ch4
+3.3
V_A
VDD
V_A
VDD
<MODULE_SCL/3DF_SCL>
3.3K (R1412,R1411)
I2S_IN_SD/GPIO176
SPDIF_IN/GPIO177
<MODULE_SDA/3DF_SDA>
4.7K (R780,R781)
ISP
ISP
DDCA_CK/UART0_RX
DDCA_DA/UART0_TX
(B5)
(A5)
(A5)
<RGB_DDC_SCL>
<RGB_DDC_SDA>
EEPROM
RGB 0xA0
Ch8
EEPROM
RGB 0xA0
Ch8
+5.0
V_ST
V_ST
<DDC_SCL/UART_RX>
<DDC_SDA/UART_TX>
10K (R237,R247)
+5V_HD
MI
MI
HDMI1,2,3
0xA0 Ch10,12,11
HDMI1,2,3
0xA0 Ch10,12,11
DDC_SCL/SDA_1~3
10K
1 (R208,209)
2 (R233,234)
3 (R256,257)
2 (R233,234)
3 (R256,257)
+3.3V_S
T
T
TOUCH
0x52
Ch7
TOUCH
0x52
Ch7
SUB_SCL
I2S_IN_WS/GPIO174
I2S_IN_BCK/GPIO175
(F15)
(F14)
(F14)
SUB_SDA
G_EYE
0x20
Ch7
G_EYE
0x20
Ch7
4.7K (R635,R633)
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