Sony KDL-40HX850 / KDL-40HX853 / KDL-40HX855 / KDL-46HX850 / KDL-46HX853 / KDL-46HX855 / KDL-55HX850 / KDL-55HX853 / KDL-55HX855 (serv.man2) Service Manual ▷ View online
KDL-40/46/55HX850,853,855(AEP/UK/IT)
117
TROUBLE SHOOTING
6) 7 times blinking (Temperature Error)
7 times blinking
Setting circumstance
is OK?
Temperature,
Ventilation, etc.
Set to another
Location, etc.
NO
YES
Change B* Board,
and Aging a few hours
B* Board
OK
Panel
7) 8 times blinking (Software Error)
8 times blinking
If the Symptom
Improved by changing
the WIFI module
B* Board
NO
WIFI Module
Symptom
improvement
improvement
KDL-40/46/55HX850,853,855(AEP/UK/IT)
118
TROUBLE SHOOTING
8) 10 times blinking (3D Emitter Error)
10 times blinking
Check
the harness between
the T-con Board and
the HEM* Board
Harness
NG
OK
Change HEM* Board
HEM* Board
OK
T-CON Board
NG
KDL-40/46/55HX850,853,855(AEP/UK/IT)
119
3-5. POWER (Green) LED BLINKING
POWER (Green) blinking
T-con
(Panel module)
Remove the LVDS FFC.
And recheck the impedance.
Check
the impedance between
TCON_VCC (CN6401#19)
and GND (CN6401#12)
G* Board
B* Board
Non-Stop blinking
TROUBLE SHOOTING
< 200 Ohm
>= 200 Ohm
< 200 Ohm
>= 200 Ohm
KDL-40/46/55HX850,853,855(AEP/UK/IT)
120
TROUBLE SHOOTING
3-6. NO PICTURE
No Picture
Press HOME Key.
Menu displayed?
B* board
NO
YES
Replace
B*-Tcon FFC,
Tcon-LD FFC
B-Tcon, Tcon-LD
FFC
NG
B* board
Check the G*- LD
Harness
Harness
NG
Change B* board
OK
NG
G* Board
Panel
(Tcon, LD)
Change G* board
NG
Symptom
improvement
improvement
Symptom
improvement
improvement
Symptom
improvement
improvement
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