Sony KLV-32R4 C Series Service Manual page 48

2019/05/27 19:43:09 (GMT+09:00)
Troubleshooting
3-5. Audio
3-5-10. Audio Problem (KK-board)
Audio
Problem
Refer
Assist Speaker
"Assist Speaker
No Sound?
No Sound"
3-5-11. Audio Problem -Assist Speaker No Sound
Sound Sound
Change
Speaker
Harness
Sound Sound Sound Sound
Change
Speaker
Sound Sound
F4500/F4501
broken, Replace p
F4500/F4501
No Sound & F4500/F4501 OK No Sound & F4500/F4501 OK
START
Sound Sound
Do a Factory Setting
No Sound No Sound
No connectivity for No connectivity for
speaker harness
Check Speaker Harness
connectivity
No Sound No Sound
No Sound No Sound
Speaker Impedance
≠ 6~8 Ω ≠ 6~8 Ω
Check Speaker Impedance
No Sound No Sound
No Sound No Sound
No connectivity
of F4500/F4501
Check fuse connectivity
at F4500/F4501 at F4500/F4501
No Sound & F4500/F4501 OK No Sound & F4500/F4501 OK
Audio IC problem,
IC4505 damage
Change B-
Board
DONE DONE
48
SYS SET