No Sound; Tv Commander And Buttons Malfunction - Sony KDL-22CX520 Service Manual

Self Diagnostic Function

3.5. NO SOUND

No Sound
"Audio System"
Check the
"Speakers setting"
"TV Speakers"
Change the Speaker
Harness Harness
Symptom
improvement
Speaker Harness
Change to
"TV Speaker"
Symptom
improvement
NG
Replace
the B Board the B* Board
NG
Speaker
Segment
P-2
P 2 P-2
P-2
P-2
3.6. TV COMMANDER & BUTTONS MALFUNCTION
3-6-1. TV key Malfunction
Button malfunction
on the TV
Replace the harness
between B*
to Switch Unit
Symptom
improvement
B* Board
H Harness
Size B* Board Type G* Board Type
22 BAT-S
32 32 BAT-V BAT V
40 BAT-V
46 BAT-V
-19-
NG
Switch Unit change
NG
B* Board
GD1
G2A G2A
G2B
G3
KDL- 22, 32, 40, 46 CX520
RM-GD020, RM-CD013
KDL-32, 40, 46 CX523
RM-GD020
Symptom
improvement
Switch Unit