Read LG 60PK950R-MA (CHASSIS:PB01A) Service Manual online
Customer Oriented R&D
Breakthrough
11. Analog TV Audio Trouble Shooting
Follow procedure analog TV video
trouble shooting
N
Check video output
Y
Check SIF Signal
TU600 #9 Pin
N
Y
Check SIF Signal
C308
N
Replace one of
R315/C308/Q603/C616/R622
& Recheck
Y
Follow procedure All source audio
trouble shooting
N
Maybe BCM3556 audio block has
problems. Replace It
N
Y
Check Tuner Power
(5.0V, 3.3V, 1.2V)
Replace one of L601/L600/L602
& Recheck
Maybe Tuner(TU600) has problems
< SIF waveform – sample >
- Defend on the input signal.
- Defend on the input signal.
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