LG BPM55 - Page 55

3-42
ELECTRICAL TROUBLESHOOTING GUIDE
No 1.2 V
Check IC150 and replace.
Is the
Vcc 12 VA supplied to IC150
pin13?
Is there
3.3 V at IC150
pin15?
Check 12 VA on JK806.
Check PWR_CTL signal from IC501.
YES
YES
YES
NO
NO
No 1.5 V
Check IC150 and replace.
Is the
3.3 V supplied to IC152
pin3?
Check 3.3 V on IC151 pin3.
YES
YES
NO