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  • KDL-32R400C, KDL-32R403C, KDL-32R405C, KDL-32R408C, KDL-32R410C, KDL-40R450C, KDL-40R453C, KDL-40R455C, KLV-32R412C

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Model
KDL-32R400C KDL-32R403C KDL-32R405C KDL-32R408C KDL-32R410C KDL-40R450C KDL-40R453C KDL-40R455C KLV-32R412C
Pages
127
Size
14.66 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-32r400c-kdl-32r403c-kdl-32r405c-kdl-32r408c-kd.pdf
Date
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Sony KDL-32R400C / KDL-32R403C / KDL-32R405C / KDL-32R408C / KDL-32R410C / KDL-40R450C / KDL-40R453C / KDL-40R455C / KLV-32R412C Service Manual ▷ View online

SECTION 3
TROUBLESHOOTING
Troubleshooting
3-1. General
START
3-2. No Power
No Power
Size
B* Board Type
ASIA
EUROPE
32”
BA
BE
40”
BA
BE
Does the Power Led
stay on when the 
TV is switched on ?
Open Detail
- No  Power
B-Board
Check DC voltage at
Yes
•See DDCON
No
Is the Standby Led
Open Detail
Check DC voltage at
JL6001
19V - 19.5V?
No
Yes
See DDCON 
Sheet
y
blink ?
- Standby LED Blink
Adaptor
Take out adaptor 
and check the output voltage.
19V – 19.5V? 
B-board
Yes
Green & Amber 
blink?
- Panel ID Error
- Panel Not Supported
(Refer Figure 1)
No
Adaptor
Change adaptor
Is the Picture and
Sound OK ?
Open Detail
- Picture/Audio/Video 
Adaptor
No
Yes
Change adaptor 
and recheck the output voltage.
19V – 19.5V?
(Refer Figure 1)
END
AC source
No
10
Note : TV must be power OFF condition before unplug any of the FFC/FPC/wire/cable from the board. 
-> This is to prevent possibility circuit damage happen.
Troubleshooting
3-2. No Power
3-2-1. DD Con
Start
DDCON
OK
B-Board
Check fuse.
No
No
Fuse
B-Board
Check voltage at JL005
Yes
F6000
No
3.3V? 
B-Board
Check voltage at
No
Yes
Change B-
board
Check voltage at 
BE
 JL008 
BA 
 JL6015
1.2V? 
No
Yes
Change B-
board
B-Board
Check voltage at JL6016
1.5V? 
Yes
Change B-
board
B-Board
Check voltage at :
BE 
 JL003.
BA 
 JL6017.
12V?
No
Yes
Change B-
board
B-Board
Check voltage at JL006
5V? 
No
Check 
LVDS
After checking take note of
Yes
After checking, take note of
NG condition & change B board
11
BE
Troubleshooting
JL005
JL003
JL008
JL6016
JL006
F6000
JL6001
12
BA
Troubleshooting
JL6001
JL006
F6000
JL003
JL008
JL6016
JL005
13
Page of 127
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