Read Sony KDL-55HX920 / KDL-65HX920 (serv.man2) Service Manual online
KDL-55/65HX920(K)
74
TROUBLE SHOOTING
5) 6 times blinking (Backlight Error)
6-time blinking
Check
the harness between
the T-con board and the
LED driver board.
Harness
Change G* board
G* Board
NG
Light Source
(Inside Panel Module)
Change LED driver
board
LED Driver Board
NG
Check FFC connection between
the LED driver board and
the light source
(inside the panel module)
FFC Connection
NG
NG
OK
OK
Symptom
improvement
improvement
Symptom
improvement
improvement
Change B*
board
B* Board
Symptom
improvement
improvement
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