5. AV Video Trouble Shooting guide
Check JK5001
Can you see the normal waveform?
N
JK5001 may h ave problem. Replace this Jack.
Check the input of Mstar(IC101).
Measure waveform at C227 because it’s more easy to check.
Can you see the normal waveform?
Y
This board has big problem
because Main chip (Mstar) have some troubles.
After checking thoroughly all path o nce again,
You should decide to replace Mstar or not.
Y
Check input signal is supported format
Y
Check AC cable for damage or open conductor
Y
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