LG 50PW450 Service Manual - Page 42
PDP TV, Analog TV Audio Problem
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Repair Process-Reference data PDP TV Input Block Analog TV Audio Problem N Check video output Y N Check #3 on TU300 for 5V Y N Check SIF signal C301 Y N Check SIF signal (C301) Y Follow procedure All source audio trouble shooting Y Replace MSTAR IC (IC400) Follow procedure analog TV video trouble shooting Check IC605 output Voltage Replace TU300 Check SIF line Making Revision 2010. 11. 16 전자 - 6-2 A2-3 < SIF waveform - sample > - Defend on the input signal. ⓒ LG Electronics. Inc.2010
ⓒ
LG Electronics. Inc.2010
< SIF waveform – sample >
- Defend on the input signal.
Making
전자
- 6-2
Revision
PDP TV
Input
Block
Analog TV Audio Problem
Check video output
Follow procedure All source audio
trouble shooting
Y
Follow procedure analog TV
video trouble shooting
N
Replace MSTAR IC (IC400)
Check #3 on TU300 for 5V
Check IC605 output Voltage
N
Y
Check SIF signal C301
Replace TU300
N
Y
Check SIF signal (C301)
Check SIF line
N
Y
Y
Repair Process-Reference data
A2-3
2010. 11. 16