Led Blinking 6X (Backlight Error) - Sony KJ-32W7 C Series Service Manual

Troubleshooting

3-2-5. LED BLINKING 6x (Backlight Error)

6-times blinking
Check
Voltage ≥ 1.9 V
JL9016
BACKLIGHT_MON
on B*Board
Voltage < 1.8 V
Check
harness/connection
G*board to B*Board
Connection
or
LD board to B*Board
Harness /
Connection OK
G* Board
Refer to 1.5
Out1 & Out2 Check (LED_Output)
PSU OK
Change
Symptom
Harness /
harness
Improvement
broken
No
improvement
G*Board
or LD?
Visual Check LS Bar
FFC Conductive Copper
Peel Off?
Yes
Change
Symptom
Panel
Improvement
No
Improvement
Change
Symptom
B* board
Improvement
Harness
LD
No
Suspect LS
Bar Broken
Panel
B* Board
45