Sharp LC-65LE654U - Chapter 9 Troubleshooting Guide (Continued); Audio Output Issues

CONFIDENTIAL – DO NOT COPY
Page 9-4
File No. SG-0000351
Yes
N0
N0
Yes
Yes
Yes
N0
N0
(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 +12V of LA1
3. Check +3.3V of LA2
Check amplifier OK?
END
Check signal correct?
1. Check RTD2986ID audio out,
RTD2986ID Pin42~Pin45
1. Check amplifier (UA1)
.