Sony KD-55X7 E Series - Analog RF no Sound

3.10 .2.4 Analog RF No Sound
85
Raster sound, OK?
(applicable for PAA, PAD, CHN, PH,
for other region skip this)
RF cable, OK?
RF source, OK?
Change RF cable
Change RF source/channel
Refer “Main Speaker No Sound”
Tuning, OK? Refer “Tuner Problem”
Correct UI setting
NG
OK
NG
OK
NG
NG
OK
OK
START
DONE
Change B-board
NG
OK
No Sound
No Sound
Sound
Sound
Sound
No Sound
Do a Factory Setting &
complete the RF tuning
UI setting, OK?
(TV System, AFT, Audio Filter)
No Sound
No Sound
UI OK, No Sound
Sound
3.10 .2 Troubleshooting detail audio problem