Analog Tv Audio Problem - LG 50PK760N-ZC Service Manual

Input
PDP TV
Block
Check video output
Y
Check #2 on TU601 for 5V
Y
Check SIF signal C602
Y
Check SIF signal (C301)
Y
Follow procedure All source audio
trouble shooting
Y
Replace BCM IC (IC100)

Analog TV Audio Problem

N
Follow procedure analog TV
video trouble shooting
N
Check IC504 output Voltage
N
Replace TU601
N
Check SIF line
Making 2010. 2 . 22
Revision
< SIF waveform – sample >
- Defend on the input signal.
ⓒ LG Electronics. Inc.2009
전자 - 6-2
10/15