5.
5.
5.
5. HDMI
HDMI
HDMI
HDMI doesn
doesn
doesn
doesn
’
tttt display
display
display
display
NO
YES
NO
YES
NO
YES
NO
YES
Check input connect CN4
Can you see the normal waveform?
CN4
may have problem. Replace this Jack.
Check DDC communication lines(CN4,
Pin15,16)
After checking the Power of this chip, you
should decide to replace this or not.
Check HDCP communication lines(U12)
After checking the Power of this chip, you
should decide to replace this or not.
Check the output
of Main IC(U12).
Especially you should check The sync and
clock.Can you see the normal waveform?
After checking the Power of Main IC(U12)
you should decide to replace Main IC or
not.
This board has big problem because Main
IC(U12) have some troubles.
After checking thoroughly all path once
again, You should decide to replace Main
Board or not.
Summary of Contents for LEA-19A08G
Page 1: ...LEA 19A08G ...
