LG CMS9540F Service Manual page 48

ELECTRICAL TROUBLESHOOTING GUIDE
No output AMP gate line
Is the VCC
NO NO
R952 normal?
13 VA supplied to IC952 Check or replace R952.
Pin1 to Pin3?
YES YES
Check and replace IC952.
Check or replace D951, D952.
Or check line of MAIN PCB is short or not.
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