Times Blinking - Sony KDL-22CX520 Service Manual

Self Diagnostic Function
3-2-6. 6-times blinking (Backlight Error)
For (P-1, P-2) F (P 1 P 2)
6-time blinking
Check
BL_ERR at
pin 7 of CN6002 pin 7 of CN6002
on the B* Board
Over 2.65V
Change G* Board
NG
Panel
Segment Size B* Board Type
P-2 22
P-2 32
P-2 40
P-2 46
under 2.65V
B* Board
Symptom
improvement
G* board
G* Board Type
BAT-S GD1
BAT-V G2A
BAT-V G2B
BAT-V G3
3-2-7. 6-times blinking (Backlight Error)
For (3a-1, 3a-2, 2b-1, 2b-2)
* Not applicable for these model
6-time blinking g
Check
NG
the harness between
the T con board and the the T‐con board and the
LED driver board.
OK
Symptom
improvement
Change G* board
NG
Check FFC connection
NG
between the LED driver board
And the light source
(inside the panel module)
OK
-14 -
KDL- 22, 32, 40, 46 CX520
KDL-32, 40, 46 CX523
Change
LED driver
Harness
board
NG
Change B*
board
G* Board
Light Source
FFC
(Inside Panel Module)
Connection
RM-GD020, RM-CD013
RM-GD020
Symptom
improvement
LED
Driver
Board
Symptom
improvement
B*
Board Board