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Check video output
Follow procedure All source audio trouble
shooting
Y
Follow procedure analog TV video
trouble shooting
N
Replace Mstar IC (IC1)
Check IC401 (pin38) for 3.3V
Check IC306 output
N
Y
Check SIF signal (IC401 #18)
Replace IC401
N
Y
Check SIF signal (C51)
Check SIF line
N
Y
< SIF waveform – sample >
- Defend on the input signal.
- Defend on the input signal.
Y
Analog TV Audio
Trouble Shooting Guide
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