LG FA162 - Page 33

3-14
ELECTRICAL TROUBLESHOOTING GUIDE OF AUDIO PART
No 5.6 VA
No 12 V
Check D902.
Check D902.
Check 3.3 V output.
Check 3.3 V output.
Replace D951.
Check or place IC951.
Check soldering
connector PN901.
Check soldering
connector PN901.
Is the Vcc
supplied to IC901
Pin5?
Is the Vcc
supplied to IC901
Pin5?
Is there
3.3 V at IC901
Pin4?
Is there
3.3 V at IC901
Pin4?
D951 normal?
Check signal
IC951 Pin?
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES