Sony KDL-32R435A / KDL-40R485A / KDL-46R485A / KLV-24R402A / KLV-24R422A / KLV-32R402A / KLV-32R407A / KLV-32R422A / KLV-40R452A / KLV-40R457A / KLV-40R472A / KLV-46R452A / KLV-46R472A Service Manual ▷ View online
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
Troubleshooting References (BB Board)
F4000
IC4000
F4000
IC4000
CN4000
29
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 5 Audio Problem
3-5. Audio Problem
3-5-2. Headphone (HP) Out No Sound
START
Sound
Headphone (HP) No Sound
Do a Factory Setting
Headphone
No Sound
Sound
HP IC (IC4001) or Main IC (IC5000)
Use another Headphone
Headphone
problem
No Sound
No Sound & Headphone OK
Change BB Board
HP IC (IC4001) or Main IC (IC5000)
problem
DONE
Change BB Board
30
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
Troubleshooting References (BB Board)
IC5000
IC4001
CN4000
31
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 5 Audio Problem
3-5. Audio Problem
3-5-3. HDMI Audio No Sound
START
Do a Factory Setting
START
Sound
HDMI cable,
ok?
Change
HDMI cable
NG
Sound
Sound
HDMI source,
ok?
Change HDMI
source
NG
No Sound
No Sound
& HDMI cable OK
Sound
Sound
*HDMI sound
format ok?
Change to supported
format
NG
Sound
Sound
No Sound
No Sound
& HDMI source OK
Main IC (IC5000) or Audio IC
(IC4000) problem
No Sound
No Sound
& HDMI format OK
* Please refer to IM for supported HDMI
audio format.
Change BB Board
(IC4000) problem
32
DONE
Click on the first or last page to see other KDL-32R435A / KDL-40R485A / KDL-46R485A / KLV-24R402A / KLV-24R422A / KLV-32R402A / KLV-32R407A / KLV-32R422A / KLV-40R452A / KLV-40R457A / KLV-40R472A / KLV-46R452A / KLV-46R472A service manuals if exist.