Read LG 42PG6HD-UA (CHASSIS:PU83A) Service Manual online
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Signal path for HDMI
BCM355/23
HDCP SDA
HDCP SCL
NDA
NCL
HDMI 1
TMDS1 RX0+/-
TMDS1 RX1+/-
TMDS1 RX2+/-
TMDS1 RXCLK+/-
DDC SDA1
DDC SCL1
EEPROM
For EDID
HDMi
—
CEC
+5V Power_1
Hot Plug Detect_1
LVDS_Tx
Out
HDMI 2
TMDS2 RX0+/-
TMDS2 RX1+/-
TMDS2 RX2+/-
TMDS2 RXCLK+/-
DDC SDA2
DDC SCL2
EEPROM
For EDID
HDMi
—
CEC
+5V Power_2
Hot Plug Detect_2
TMDS341A
TMDS0
INPUT
DDC SDA
DDC SCL
TMDS1
INPUT
TMDS2
INPUT
TMDS RX0+/-
TMDS RX1+/-
TMDS RX2+/-
TMDS RXCLK+/-
Hot Plug Detect_0
TMDS
Out
TMDS_Rx
Input0
HDMi_Sel_0
HDMi_Sel_1
HDMi_Sel_2
Hot Plug Detect_1
Hot Plug Detect_2
+5V Power_0
+5V Power_1
+5V Power_2
GPIO[0:8]
Switch
Selection
DDC
INPUT
MTV416
Micom
HDMi
—
CEC
Parallel connections with
HDMi
0,1,2,4
LVDS out
31P
Con.
31P
LVDS
Con.
EEPROM
for HDCP
DDC SDA1
DDC SCL1
DDC SDA2
DDC SCL2
TMDS0 RX0+/-
TMDS0 RX1+/-
TMDS0 RX2+/-
TMDS0 RXCLK+/-
DDC SDA0
DDC SCL0
EEPROM
For EDID
HDMI 0
HDMi
—
CEC
+5V Power_0
Hot Plug Detect_0
DDC SDA0
DDC SCL0
DDC
OUT
HDMI 4
TMDS3 RX0+/-
TMDS3 RX1+/-
TMDS3 RX2+/-
TMDS3 RXCLK+/-
DDC SDA3
DDC SCL3
EEPROM
For EDID
HDMi
—
CEC
+5V Power_3
Hot Plug Detect_3
DDC SDA3
DDC SCL3
TMDS_Rx
Input1
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