LG FA162 Service Manual page 33

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