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