Check JK3100
Can you see the normal waveform?
NO
JK3100 may have 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?
YES
This board has big problem because Main chip (Mstar) have some troubles.
After checking thoroughly all path once again, You should decide to replace Mstar or not.
AV Video Trouble shooting guide
YES
Check input signal format.
Is it supported?
YES
Check AC cable for damage
For damage or open conductor
YES
To Next Page
Loading...
