Video - LG BH100 Training Manual

TROUBLESHOOTING

VIDEO

No display
VIDEO cable
connection
OK?
YES
C863
(Pin 2) +3.3V
OK?
YES
C327
(Pin 2) +2.5V
OK?
YES
C968
(Pin 2) +1.2V
OK?
YES
C8F9, C8G0,
C8G1, C8F6 (Pin 2)
signal OK?
YES
CF804,
CF802, CF806, CF803
(Pin 1) signal OK?
YES
JK803
(Pin 1, 3, 5, 7)
signal OK?
YES
Video part OK
BH100 Blu-ray Player
NO
Check VIDEO cable
IC907
NO
(Pin 2) +3.3V
OK?
YES
C970
NO
(Pin 2) +2.6V
OK?
YES
NO
IC903 Re-soldering
NO
L816, L811, L813,
L820 soldering OK?
YES
L812, L819, L815
soldering OK?
C8F9 ~ C8F6
NO
Re-soldering
CF804 ~ CF803
NO
Re-soldering
NO
(Pin 3, 4) +3.3V
L803 Re-soldering
IC904
NO
(Pin 2) +5.0V
L304 Re-soldering
NO
Re-soldering
NO
Re-soldering
YES
Check IC301
46
P901
Check main
NO
power cable
OK?
YES
L904, L906 Re-soldering
NO
OK?
YES
IC904 Change
Troubleshooting