DOWNLOAD Sony KLV-32EX330 / KLV-40EX430 Service Manual ↓ Size: 6.99 MB | Pages: 82 in PDF or view online for FREE

Model
KLV-32EX330 KLV-40EX430
Pages
82
Size
6.99 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-32ex330-klv-40ex430.pdf
Date
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Sony KLV-32EX330 / KLV-40EX430 Service Manual ▷ View online

KLV-32EX330/40EX430(CH)
37
Note: Details refer to Troubleshooting Section.
(*)
Size
B* Board 
Type
HT* Board 
Type
32”
BWM HTW
40’’
BFM HTF
2
3
5
6
Tuner
USB
Video1
VIdeo2
Component
HDMI
MHL
PC
Main Speaker
HP
Video1
Video2
Component
Tuner
HDMI
USB
BW M/BFM Board
HTW /HTF Board
U1 Board
Light Source Board
Open Cell
AC Adaptor
Speaker Unit
LS Harness
Main Harness
Speaker Harness
FFC Cable
1 Doubtful part problem
2 Few possibility
Blinking
No Picture
No Sound
SEC 3. TROUBLE SHOOTING
3-1. TRIAGE CHART
KLV-32EX330/40EX430(CH)
38
START
Does the Power Led
stay on when the 
TV is switched on ?
Is the Standby Led
blink ?
Is the Picture and
Sound OK ?
END
Open Detail
- No  Power
Open Detail
- Standby LED Blink
Open Detail
- Audio/Video 
Green & Amber 
blink?
- Panel ID Error
- Panel Not Supported
No Power
Check DC voltage at
JL6016 (BWM) or JL6506 (BFM)
Is it 19.5V?
No
Yes
•See DDCON 
Sheet
Take out adaptor 
and test at adaptor 
output is it 19V – 19.5V? 
B*-board
Change adaptor 
and test again
Yes
No
AC source
Adaptor
NG
OK
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
TROUBLE SHOOTING
3-2. FLOW CHART
3-3. NO POWER
KLV-32EX330/40EX430(CH)
39
Yes
After checking, take note of
NG condition & change B* board
Start
Check voltage at JL6012 
(BWM) or JL6503
(BFM) is it 3.3V? 
Yes
OK
Check voltage at JL6010 
(BWM) or JL6501
(BFM) is it 1.2V? 
Check voltage at JL6011 
(BWM) or JL6502
(BFM) is it 1.5V? 
Check voltage at JL6504 
(BWM and BFM) 
is it 5V? 
Check F6000 (BWM) 
or F6500 (BFM)
NG
Check voltage at CL6001 
(BWM and BFM) 
is it 12V? 
Check F6002 (BWM) 
or F6501 (BFM)
No
No
No
No
Yes
Yes
OK
NG
No
Change B*-
board
Change B*-
board
Change B*-
board
DDCON
DDCON
Fuse
Fuse
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
3-4. DDCON
TROUBLE SHOOTING
KLV-32EX330/40EX430(CH)
40
2 times Blinking
Change 
adaptor
Check DC voltage at
JL6016 (BWM) or JL6506 (BFM)
Is it 18V - 19.5V?
No
Yes
Change B*-
board
Take out adaptor 
and test at adaptor 
output is it 18V – 19.5V? 
Change B*-
board
No
Yes
(*)
Size
B* Board Type
32”
BWM 
40’’
BFM 
1) 2 times blinking (Main Power Error)
3-5. STANDBY LED BLINK
TROUBLE SHOOTING
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