Sony KDL-32R320C Service Manual page 50

3-5-5. Analog RF No Sound (Audio)
START
Do a Factory Setting
RF cable, OK?
OK
RF source, OK?
OK
Raster sound, OK?
OK
Tuning, OK?
OK
UI setting, OK?
(TV System, AFT, Audio Filter)
OK
Change B*2-board
DONE
KDL-32R320C/325C/327C, 40R375C/377C
NG
Change RF cable
No Sound
NG
Change RF source/channel
No Sound
NG
Refer "Speaker No Sound"
NG
Refer "Tuner Problem"
NG
Correct UI setting
No Sound
Sound
Sound
Sound
TROUBLE SHOOTING
Size B* Board Type
32"
BA2
40"
BA2
50