Sony KDL-32R324D / KDL-40R354D / KLV-32R326D / KLV-40R356D Service Manual ▷ View online
3-2. Standby LED Blinking
3-2-2. 3 times blinking
3-2-2. 3 times blinking
17
Troubleshooting
F4000 broken,
Replace F4000
Remove
Speaker Connector
at CN4001 & perform
AC OFF - ON
No 3x blinking
Check connectivity
of F4000
3x blinking
Check Speaker harness
And Speaker impedance
Speaker
Impedance ≠ 6~8 Ω
3x blinking & F4000 OK
Audio IC problem,
IC4001 damage
Change Speaker
Harness
Change Speaker
START
Connect back
Speaker Connector
to CN4001
& perform AC OFF - ON
DONE
3x blinking
No 3x blinking
Change
B*2 board
3x blinking
No connectivity of F4000
No connectivity for speaker harness
Debug NG B*2-Board
Refer “Audio IC Normal
Operation Condition –
B*2-Board”
F4000
IC4001
CN4001
3x LED Blinking – BA2 board Photo
IC5000
18
F4000
IC4001
CN4001
3x LED Blinking – BA2 board Layout
19
3-2. Standby LED Blinking
3-2-3. 4 times blinking
3-2-3. 4 times blinking
20
Ye
s
No
B-Board
Check JL6022.
3.3V?
B-board
No
Ye
s
LVDS
DDCON
(IC6010)
Yes
Check JL6007.
12V?
Ok
No
Fuse
Check JL6009.
3.3V?
Yes
No
AEP?
NG
Check Fuse.
(F6003) ok?
Yes
No
Fuse
B-board
No
Yes
LVDS
DDCON
No
Yes
Check Fuse.
(F6003) ok?
Check JL6009.
3.3V?
Check JL6007.
12V?
Troubleshooting
4-times blinking
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