Times Blinking - Sony KDL-22CX520 Service Manual

Self Diagnostic Function
3-2-3. 4-times blinking (Balancer Error)

4-times blinking

Check
PANEL_FAIL at
JL6017
on the B* Board
Between 0.84V Between 0.84V
to 2.65V
Change G* Board
NG
Change LED Driver Board
Panel
For (3a-1,3a-2,2b-2, 2b-3)
* Not applicable for these model
Below 0.84V
B* Board
Symptom
improvement
G* Board
Symptom
improvement
LED Driver Board
3-2-4. 4-times blinking (Including SPI Error)
* Not applicable for these model
For (2b-1) F (2b 1)
4-times blinking
Check
Below
PANEL_FAIL at
0.84V
JL6017
on the B* Board
Between Between
0.84V to
2.65V
Symptom
improvement
Change G* Board
NG
Ch Check the harness k th h
between the T-con board and
the LED driver board,
between the G board and
the LED driver board the LED driver board.
-12 -
KDL- 22, 32, 40, 46 CX520
RM-GD020, RM-CD013
KDL-32, 40, 46 CX523
Change
T-CON Board
B* Board
NG
Change
LED Driver
Board
G* Board
Panel
NG
Harness
RM-GD020
Symptom
improvement
T-con
Board
Symptom
improvement
LED Driver
Board