Sharp LC-55LE643U_FPTW - Troubleshooting TV Side Audio Issues

CONFIDENTIAL – DO NOT COPY Page 9-4
File No. SG-0000242
Yes
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Yes
Yes
Yes
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(TV_SIDE, AUDIO) IS NOT DISPLAY CORRECTLY
Start
Input signal good?
1. Check Audio source
2. Check the player of source
Input correct?
1. Check signal of Main Board
2. Check amplifier (UA1)
Check amplifier OK?
END
Check signal correct?
1. Check MSD8220 audio out,
MSD8220 Pin63~Pin66
1. Check 12V of UA1.