LG BH100 Training Manual page 43

No 12 (Fan, Loader)
Is the Vcc
(13.5V) supplied to
IC155 Pin1?
Is the IC155 Pin4 "H"?
Check or replace the IC155
No VF+
Is the ZD121 normal?
Replace the R121
BH100 Blu-ray Player
YES
YES
YES
TROUBLESHOOTING
NO
Check or replace the D124
Check the PWR CTL
NO
"H" signal from µ-com
NO
Replace the ZD121
43
Troubleshooting