42PC5D-UL (CHASSIS:PA75C) - LG TV Service Manual (repair manual). Page 13

Read LG 42PC5D-UL (CHASSIS:PA75C) Service Manual online

BLOCK DIAGRAM
 Signal path for HDMI
BCM3553
TMDS0 RX0+/-
TMDS0 RX1+/-
TMDS0 RX2+/-
TMDS0 RXCLK+/-
DDC SDA0
DDC SCL0
EEPROM
For EDID
HDCP SDA
HDCP SCL
NDA
NCL
HDMI 0
HDMI 1
HDMi
 —
 CEC
+5V Power_0 
Hot Plug Detect_0 
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
Input
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
MTV416
Micom
HDMi
 —
 CEC
Parallel connections with 
HDMi
 0,1,2
Only for HD
31P
LVDS
Con.
31P
LVDS
Con.
DVO Out[0:29]
EEPROM 
for HDCP
EEPROM 
for HDCP
DDC SDA0
DDC SCL0
DDC SDA1
DDC SCL1
DDC SDA2
DDC SCL2
DDC
OUT
Page of 39
Display

Click on the first or last page to see other 42PC5D-UL (CHASSIS:PA75C) service manuals if exist.