Read Sony KDL-65W850A / KDL-65W855A Service Manual online
RB1G
CHASSIS
W850/855A
Troubleshooting
3-2-5. LED Blinking 5x (T-Con Error) (HG and TE Model)(not applicable
for this model)
for this model)
3-2-4. LED Blinking 4x (LED Voltage Error)
5-times blinking
Panel (T-con)
change
B* Board
NG
4-times blinking
Between 0 98V to 1 23V
Check PANEL_VCC
12.5V at pin 47-51 of
CN8001 on
on the B* Board
G-board
Panel (T-con)
About 12.5V
NG
OK
Symptom
improvement
improvement
Confirm Tcon 12V.
Check JL9112
(BACKLIGHT_MON)
on the B* Board
LED driver
Between 0.98V to 1.23V
Replace the Harness
Between G-board /
Adapter (BK* only)
and
Panel
Harness
Symptom
improvement
improvement
B* Board
Replace
the LVDS Harness
LVDS Harness
Symptom
improvement
improvement
NG
NG
For Ayu2(IC9000) replacement check related section
Note:
(AYU2) – IC9000
(Brownie)- IC9001
(AYU2) – IC9000
(Brownie)- IC9001
(*)
Si
B* B
d T
G* B
d T
28
(Brownie) IC9001
Size
B* Board Type G* Board Type
65”
BA2SC G6&G7B
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