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Model
KLV-22BX350 KLV-26BX350 KLV-32BX350 KLV-40BX450 KLV-46BX450
Pages
127
Size
8.2 MB
Type
PDF
Document
Service Manual
Brand
Device
TV
File
klv-22bx350-klv-26bx350-klv-32bx350-klv-40bx450-kl.pdf
Date
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Sony KLV-22BX350 / KLV-26BX350 / KLV-32BX350 / KLV-40BX450 / KLV-46BX450 Service Manual ▷ View online

KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
SECTION 3
TROUBLESHOOTING
3-1. Troubleshooting Flow
START
Does the Power Led
stay on when the 
TV is switched on ?
See
No Power
Is the Standby Led
blink ?
See
Standby LED Blink
Green & Amber 
blink?
Panel ID Error
Panel Not Supported.
Is the Picture and
Sound OK ?
See Audio/Video 
Troubleshooting doc.
13
END
Note: 
1. Details refer to each Troubleshooting Section.
2. Refer to Troubleshooting Reference location.
KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
3-2. No Power
No Power
Check AC voltage at
BAQ Board
AC Cord
OK
g
AC IN connector.
88 -132V for 110V models
176 – 264V for 220 – 240V 
Models.
NG
• See DDcon
Replace
AC cord
AC Source
NG
OK
G* Board
Check
Between G* Board to
B*Board Harness
NG
OK
Check Standby 3.3V 
at JL6015 on B* Board 
it is 3.3V
NG
OK
Harness
NG
OK
Check REG12V
at JL6002
on B* board,
Check Power On
at JL6004
on B*board,
B* Board
NG
OK
Segment
Size
B*
Board 
G*
Board 
It is12.5V.
,
It is 3.3V
OK
Type
Type
P-2F
22
BAQ
GD1
P-2F
26
BAQ
G9
P-2F
32
BAQ
G9
14
P-2F
40
BAQ
G10
P-2F
46
BAQ
G11
KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
3-2-1. *DDcon
START
Check JL6010 Voltage.
Is the voltage 1.2V?
B* Board
Check F6000 
B* Board
no
Check JL6014 
Voltage
Is the voltage 1.2V?
B* Board
Change 
B* Board
no
Check JL6011 Voltage.
Is the voltage 1.5V?
(B* Board)
Change 
B* Board
yes
no
Check JL6012 Voltage.
Is the voltage 3.3V?
B* Board
Change 
B* Board
yes
no
Segment
Size
B*
Board 
Type
G*
Board 
Type
P-2F
22
BAQ
GD1
Check JL6013 Voltage.
Is the voltage 5.0V?
B* Board
Change 
B* Board
yes
no
P-2F
26
BAQ
G9
P-2F
32
BAQ
G9
P-2F
40
BAQ
G10
P 2F
46
BAQ
G11
15
yes
After checking, take note of
NG condition & change BAQ board
P-2F
46
BAQ
G11
KLV-22, 26,32 BX350, 32BX35A, 40,46 BX450
RM-GA021
Troubleshooting
3-3. Standby Led Blinking
3 3 1
2 ti
L d bli ki
3-3-1.   2-times Led blinking 
2 Times Blinking
START
3-3-2.   3-times Led blinking 
Check Power On 
at JL6004.
Is the voltage 3.3V?
B* Board
Change B*
no
yes
Speaker
Check
Speaker Impedance
at SP Connector
Check 
AUDIO+12.5V
at F4000 
B* board
Change 
F4000
NG
NG
yes
Change 
G* Board
IC4002 damage.
OK
Check AUDIO+12.5V
NG
OK
G* Board
IC4002 damage. 
Change B* Board
at CN6001 pin 17/19 
on B* Board
NG
OK
Segment
Size
B*
G*
Board 
Type
Board 
Type
P-2F
22
BAQ
GD1
P-2F
26
BAQ
G9
P-2F
32
BAQ
G9
16
P 2F
32
BAQ
G9
P-2F
40
BAQ
G10
P-2F
46
BAQ
G11
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