No Sound - Sony KDL-40W580B Service Manual

Troubleshooting
3-2-5. LED BLINKING 7x (Temperature Error)
7-times blinking
Setting
circumstance is OK?
Temperature,
Ventilation, etc.
Yes
Change BAXL Board,
and Aging a few
hours
Symptom
improvement
BAXL
Board
No
Set to another
location, etc.
NG
Panel

3-3. No Sound

No Sound
"Audio System"
Check the Change to
"Speakers setting" "TV Speaker"
"TV Speakers"
NG
Change Replace
the Speaker
the BAXL
Harness
Board
Symptom
NG
improvement
Speaker
Speaker
Harness
W580B/W585B/W590B/W600B/W605B/W607B/W608B/WM15B
Symptom
improvement
BAXL Board
RB2G
CHASSIS
No Sound:
Audio
No Sound:
Tuner
No Sound:
HDMI
20