Hdmi Output - LG BP540N Service Manual

ELECTRICAL TROUBLESHOOTING GUIDE
5. NO HDMI OUTPUT
No HMDI audio / video output
JK802 pin18
Vcc 5.3 VA OK?
JK802 pin19 HPD
about 3.3 V OK?
Is there signal on
pin1,3,4,6,7,9,10,12?
HDMI output OK.
YES
YES
YES
YES
3-49
NO
NO
Check hot plug detect
NO
Check IC501 MT8560 Vcc
or replace IC501 MT8560.
Check Vcc 5.3 VA
from SMPS.
signal from TV.