Read LG 42PQ1100-ZE (CHASSIS:PD92A) Service Manual online
Check Connector and cables
JK701 (Component)
JK600.JK601 (SCART, Rear AV)
JK702 (RGB)
JK700 (Side AV)
Replace connector or
cable if found damaged
Check signal
R736 / R737 (Component1)
R738 / R739 (RGB)
R617 / R609, R654, / R652 (SCART, Rear AV)
R776 / R780 (AV Side)
Replace the Resistor
Check IC100 signal
C36,C37,C38,C39,C40,
C41,C42,C43,C44,C45
Replace Capacitor
Follow procedure
All source audio trouble shooting
Making
Revision
2009. 2 . 1
PDP TV
Input
Block
Component / AV/RGB Audio Problem
Y
Y
Y
N
N
N
11/14
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