Sharp LC-65LE654U 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 +12V of LA1
3. Check +3.3V of LA2
1. Check RTD2986ID audio out,
RTD2986ID Pin42~Pin45
1. Check amplifier (UA1)
.
Page 9-4
File No. SG-0000351