5. HDMI doesn
’
t display
NO
YES
NO
YES
NO
YES
YES
NO
YES
Check input connect CN13,CN15,
Can you see the normal waveform?
CN13,CN15, may have problem. Replace
this Jack.
Check DDC communication lines(CN13,CN15/Pin15,16)
After checking the Power of this chip, you
should decide to replace this or not.
Check HDCP communication lines(U07)
After checking the Power of this chip, you
should decide to replace this or not.
Check the output
of Main IC(U06).
Especially you should check The H,V
sync and clock.Can you see the normal
waveform?
After checking the Power of Main IC(U06)
you should decide to replace Main IC or
not.
This board has big problem because Main
IC(U06) have some troubles.
After checking thoroughly all path once
again, You should decide to replace Main
Board or not.
