Sharp LC-65LE643U FPTW Service Manual page 58

( AUDIO) IS NOT DISPLAY CORRECTLY
Start
Input signal good?
Input correct?
Check signal correct?
Check amplifier OK?
CONFIDENTIAL – DO NOT COPY
N0
Yes
Yes
N0
Yes
N0
Yes
N0
END
1. Check Audio source
2. Check the player of source
1. Check signal of Main Board
2. Check amplifier (UA1)
1. Check MSD8220 audio out,
MSD8220 Pin63~Pin66
1. Check 12V of UA3
.
Page 9-4
File No. SG-0000239