LG HR832T Service Manual page 107

ELECTRICAL TROUBLESHOOTING GUIDE
8. NO HDMI OUTPUT WHEN PLAY DISC
No HMDI audio / video output
JK803 pin18
Vcc 5.3 VA OK?
JK803 pin19 HPD
about 3.8 V OK?
Is there
signal SCL, SDA
on R851,R856?
Is there signal
on RA851, RA852?
Check JK803 or replace
and HDMI cable connection.
YES
YES
YES
YES
YES
3-92
NO
Check L811, D801 and
Vcc 5.3 VA from SMPS.
NO
Check hot plug detect
NO
Check IC500 BCM7632 Vcc
or replace IC500 BCM7632.
NO
signal from TV.