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
Board Name Board PWB (A side)
Detail
BB
CN4000
CN4000
F4000
CN4000
CN4000
F4000
F4000
F4000
F4000
F4000
17
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 3 Standby LED Blinking
3-3. Standby LED Blinking
3-3-3. 4-times Blinking
No 12V
Check F6003.
Is it ok?
No
Fuse
Yes
Check JL6009.
Is it 3.3V?
BB board
No
Yes
N
Check JL6012.
Is it 12V?
DDCON
No
Yes
LVDS
18
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
Troubleshooting References (BB Board)
LVDS FFC
CONNECTOR
JL6012
F6003
JL6009
19
JL6009
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 3 Standby LED Blinking
3-3. Standby LED Blinking
3-3-4. 5-times Blinking
START
Remove and reinsert LVDS Flat
Remove and reinsert LVDS Flat
Flexible Cable (FFC) at
BB Board and
Panel
Replace B-Board
BB Board Issue
Incorrect FFC
Insertion
TV Boot Up
Normally
TV Boot Up
Normally
5x Blinking is Still
Observed
5x Blinking is Still Observed
TV Boot Up
TV Boot Up
Replace LVDS Flat
Flexible Cable (FFC)
LVDS
Cable Issue
** Replace
O-Cell or Panel Module
O-Cell Issue
TV Boot Up
Normally
TV Boot Up
Normally
END
5x Blinking is Still Observed
** Not recommended at Service Side.
20
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