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

RB1G
CHASSIS
W850/855A
SECTION 3
TROUBLESHOOTING
3-1.  No Power
No Power
Check STBY 3.3V 
L9101 (B-others)
C9318 (BK*)
G* Board 
Replace
Between G* Board to
B* Board Harness
NG
NG
Harness
OK
OK
B* Board
DC/DC converter check
NO POWER: Ayu2 control
(*)
Size
B* Board Type G* Board Type
13
65”
BA2SC G6&G7B
RB1G
CHASSIS
W850/855A
Troubleshooting Reference 
Troubleshooting
Board 
Name
Board PWB  (A side)
Detail
BA2-S
(L9101)
L9101
14
RB1G
CHASSIS
W850/855A
Troubleshooting
3-1-1.  No POWER DC / DC Converter Check
START
START
Check SL9111 Voltage.
Ch
k F9105
no
Check SL9105 is 
i 1 18V?
Check F9106
no
Is the voltage 1V?
END
Check F9105
yes
it 1.18V?
yes
Check F9106
Check SL9109 Voltage.
Is the voltage 5V?
END
Check F9104
no
yes
Check SL9103 Voltage.
Is the voltage 3.3V?
Check F9102
no
yes
Check SL9107 Voltage.
Is the voltage 1.5V?
Check F9102
yes
no
yes
15
RB1G
CHASSIS
W850/855A
Troubleshooting Reference 
Troubleshooting
Board Name
Board PWB  (A side)
Detail
BA2-S
(SL9103)
(SL9105)
(SL9107)
SL9109
F9102
SL9111
SL9105
(SL9107)
(SL9109)
(SL9111)
(F9102)
(F9104)
F9104
(F9104)
(F9105)
(F9106)
SL9103
SL9107
F9105
F9106
16
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