Sony KLV-32EX330 / KLV-32EX33A / KLV-32EX33B / KLV-40EX430 / KLV-40EX43A / KLV-40EX43B Service Manual ▷ View online
Self Diagnostic Function
2-4. Standby LED Error Display
Note: Details refer to Troubleshooting Section.
The Number of
Detection Items
Board Error Item
Standby LED
(RED blinking)
2
Main Power Error
AC adapter Error
3
Audio Error
B* board Error
5
Panel Power Error
B* or Source board Error
5
B or Source board Error
Panel ID NVM Error
6
Backlight Error
B* board Error
(*)
Size
B* Board Type
32”
BWM
17
40’’
BFM
KLV- 32 EX330, EX33A, EX33B, 40 EX430, EX43A, EX43B
RM-GA022
Self Diagnostic Function
2-5. Triage Chart
Blinking
No Picture
No Sound
2
3
5
6
Tuner
USB
Video1
VIdeo2
Compon
ent
HDMI
MHL
PC
Main
Speaker
HP
Video1
Video2
Compone
nt
Tuner
HDMI
USB
p
BWM/BFM Board
HTW/HTF Board
U1 Board
Light Source Board
Open Cell
AC Ad
t
AC Adaptor
Speaker Unit
LS Harness
Main Harness
Speaker Harness
FFC Cable
Note: Details refer to Troubleshooting Section.
Doubtful Part Problem
Few possibility
Few possibility
(*)
Size
B* Board
Type
HT* Board
Type
18
32”
BWM HTW
40’’
BFM HTF
KLV- 32 EX330, EX33A, EX33B, 40 EX430, EX43A, EX43B
RM-GA022
KLV- 32 EX330, EX33A, EX33B, 40 EX430, EX43A, EX43B
RM-GA022
SECTION 3
TROUBLESHOOTING
3-1. Troubleshooting Flow
START
3-2. No Power
N P
START
Does the Power Led
stay on when the
Open Detail
No Power
Check DC voltage at
Yes
•See DDCON
stay on when the
TV is switched on ?
- No Power
JL6016 (BWM) or JL6506 (BFM)
Is it 19.5V?
No
•See DDCON
Sheet
Is the Standby Led
blink ?
Open Detail
- Standby LED Blink
Take out adaptor
and test at adaptor
output is it 19V – 19.5V?
B*-board
Yes
Green & Amber
blink?
- Panel ID Error
- Panel Not Supported
Change adaptor
No
Adaptor
OK
Is the Picture and
Sound OK ?
Open Detail
- Audio/Video
and test again
AC source
p
NG
END
(*)
Size
B* Board Type
32”
BWM
19
32
BWM
40’’
BFM
KLV- 32 EX330, EX33A, EX33B, 40 EX430, EX43A, EX43B
RM-GA022
Troubleshooting
Start
DDCON
3-2-1. DD Con
Check voltage at JL6012
(BWM) or JL6503
(
)
?
OK
Check F6000 (BWM)
or F6500 (BFM)
NG
No
Fuse
(BFM) is it 3.3V?
Yes
Check voltage at JL6010
(
)
No
Change B*-
DDCON
Yes
(BWM) or JL6501
(BFM) is it 1.2V?
Check voltage at CL6001
(BWM and BFM)
Check F6002 (BWM)
No
OK
No
Change B -
board
Check voltage at JL6011
(BWM) or JL6502
(BFM) is it 1.5V?
(BWM and BFM)
is it 12V?
or F6501 (BFM)
No
NG
Change B*-
board
After checking, take note of
NG condition & change B* board
NG condition & change B* board
Check voltage at JL6504
(BWM and BFM)
is it 5V?
No
Yes
Change B*-
board
Fuse
NG condition & change B board
is it 5V?
Yes
(*)
Size
B* Board Type
32”
BWM
20
32
BWM
40’’
BFM
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