Sony KDL-43W6 G Series Service Manual page 122

8.2 Troubleshooting Detail Audio Problem
8.2.6 USB No Sound
START
No Sound
Do a Factory Setting &
set to desire USB file with
sound
No Sound
USB device, OK?
OK
USB source, OK?
OK
USB Playback, OK?
OK
UI setting, OK?
(Music, Video)
UI OK
Change B-board
DONE
NG
Change USB device
No Sound
NG
Change USB
source/channel
No Sound
NG
Refer "USB Problem"
NG
Correct UI setting
No Sound
Sound
Sound
Sound
Sound
122
SYS SET