Sony XBR-65Z9D Service Manual page 32

FLOW
2-5. LED BLINKING 6X (BACKLIGHT ERROR)
6-times blinking
Check Voltage of
BL_ERR_DET
on 21pin of CN401
on DPA
L
XBR-65/75/100Z9D
Check
harness/connection
H
G board to DPA
Harness /
Connection OK
Harness /
Connection
Change Symptom
broken
harness Improvement
No
improvement
G board
 Change G board.
No
improvement
Change Symptom
Panel Improvement
No
Improvement
Change
Symptom
DPA Improvement
No
Improvement
BM2 Board
TROUBLE SHOOTING
Harness
Symptom
G board
Improvement
Panel
DPA Board
32