Sony KD-43X7 G Series Service Manual page 111

2.8.2 Troubleshooting Detail Audio Problem
2.8.2.7 USB Audio No Sound
*Confirm with OSD on bottom panel,
if playback not support.
*Please refer to IM for detail supported USB
audio format.
START
No Sound
Do a Factory Setting &
set to desire USB file with sound
No Sound
USB device, OK?
OK
USB source, OK?
(*confirm USB audio format, 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 to
supported format
No Sound
NG
Refer "USB Problem"
NG
Correct UI setting
No Sound
Sound
Sound
Sound
Sound
111
SYS SET