DOWNLOAD Sony KDL-65W850A / KDL-65W855A Service Manual ↓ Size: 16.78 MB | Pages: 127 in PDF or view online for FREE

Model
KDL-65W850A KDL-65W855A
Pages
127
Size
16.78 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-65w850a-kdl-65w855a.pdf
Date
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Sony KDL-65W850A / KDL-65W855A Service Manual ▷ View online

BACKLIGHT_MON 
= JL9112
BA2 – B SIDE
25
RB1G
CHASSIS
W850/855A
Troubleshooting
3-2-3 LED BLINKING 5x (T-Con Error) 
5-time blinking
Replace
the LVDS Harness
B t
VLE b
d
LVDS Harness
Symptom 
improvement
Check 
PANEL_VCC 12.5V at
CN8001 on
G* Board
NG
Between VLE board
and Panel
NG
on the B* Board
About 12.5V
OK
Symptom 
VLE board
change
VLE Board
Symptom 
improvement
Replace the Harness 
Between G* and Panel
Panel
(T-con)
Harness
NG
improvement
Replace
the VxOne Harness
Panel
(T con)
change
B* Board
VxOne Harness
Symptom 
Symptom 
improvement
NG
Confirm Tcon12V.
Between BA2 board 
and VLE board
Panel (T-con)
y p
improvement
NG
26
RB1G
CHASSIS
W850/855A
Troubleshooting
BA2S – A SIDE
PANEL_VCC
27
RB1G
CHASSIS
W850/855A
Troubleshooting
RB1G
CHASSIS
W850/855A
Troubleshooting
3-2-5. LED Blinking 5x (T-Con Error) (HG and TE Model)(not applicable 
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
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
B* Board
Replace
the LVDS Harness
LVDS Harness
Symptom 
improvement
NG
NG
For  Ayu2(IC9000) replacement check related section
Note: 
(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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