6. HDMI Video Trouble Shooting guide
Check JK800/JK801/JK802
Can you see the normal waveform?
N
JK800/JK801/JK802 may have problem. Replace this Jack.
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.
Check input signal format.
Is it supported?
Y
Check AC cable for damage
For damage or open conductor
Y
Y
Check HDMI Switch IC Power
Check L800(3.3V, Not stand-by mode)
Y
Swap HDMI Switch IC,
is there same Problem?
Y
N
Replace L800
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