Sony KDL-65W850A / KDL-65W855A Service Manual ▷ View online
RB1G
CHASSIS
W850/855A
Troubleshooting
Troubleshooting Reference
BA2 board Side B
BA2 board Side B
BACKLIGHT_MON =
JL9112
JL9112
LED Blinking 4x (LED Voltage Error)
29
RB1G
CHASSIS
W850/855A
Troubleshooting
Troubleshooting Reference
BA2S board Side A
BA2S board Side A
LED Blinking 5x (T-Con Error)
(HG and TE Model)
PANEL_VCC
30
RB1G
CHASSIS
W850/855A
Troubleshooting
3-2-7. LED Blinking 7x (Temperature Error)
3-2-6. LED Blinking 6x (Backlight Error)
7-time blinking
6-time blinking
Check JL9112* at
Yes
Setting circumstance
is OK?
Temperature,
Ventilation, etc.
Set to another
location, etc.
NG
Check JL9112 at
(BACKLIGHT_MON)
of CN9101
on the B* Board
B* Board
Low
Yes
Panel
NG
Change B* Board,
and Aging a few hours
G* board
1.3 -1.8 V
Symptom
improvement
Change G* Board
Symptom
improvement
improvement
G board
NG
Change G Board
B* Board
Panel
*Refer LED blink 2x; Same point of measurements
Note:
(*)
Si
B* B
d T
G* B
d T
p
31
Note:
(AYU2) – IC9000
(Brownie)- IC9001
(AYU2) – IC9000
(Brownie)- IC9001
Size
B* Board Type G* Board Type
65”
BA2SC G6&G7B
RB1G
CHASSIS
W850/855A
Troubleshooting
3-2-8 LED BLINKING 8x (Software Error)
8-time blinking
B* Board NG
CH or AEP destination?
No
Using CAM Module?
YES
No
B* Board NG
YES
Using CAM Module?
B Board NG
Check clock signal @ R8558
NG
CI CAM module
B* Board NG
Note:
(AYU2) – IC9000
(Brownie)- IC9001
(AYU2) – IC9000
(Brownie)- IC9001
OK
(*)
Size
B* Board Type G* Board Type
65”
BA2SC G6&G7B
32
(Brownie) IC9001
B* Board NG
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