KDL-32R400C, KDL-32R403C, KDL-32R405C, KDL-32R408C, KDL-32R410C, KDL-40R450C, KDL-40R453C, KDL-40R455C, KLV-32R412C - Sony TV Service Manual (repair manual). Page 10

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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.
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