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  • KDL-32R435A, KDL-40R485A, KDL-46R485A, KLV-24R402A, KLV-24R422A, KLV-32R402A, KLV-32R407A, KLV-32R422A, KLV-40R452A, KLV-40R457A, KLV-40R472A, KLV-46R452A, KLV-46R472A

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Model
KDL-32R435A KDL-40R485A KDL-46R485A KLV-24R402A KLV-24R422A KLV-32R402A KLV-32R407A KLV-32R422A KLV-40R452A KLV-40R457A KLV-40R472A KLV-46R452A KLV-46R472A
Pages
70
Size
5.23 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-32r435a-kdl-40r485a-kdl-46r485a-klv-24r402a-kl.pdf
Date
PREV: Sony KD-55X8505A Service Manual

Sony KDL-32R435A / KDL-40R485A / KDL-46R485A / KLV-24R402A / KLV-24R422A / KLV-32R402A / KLV-32R407A / KLV-32R422A / KLV-40R452A / KLV-40R457A / KLV-40R472A / KLV-46R452A / KLV-46R472A Service Manual ▷ View online

ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
Troubleshooting References (BB Board)
JL6002
JL6001
JL6003
JL6000
JL6006
JL6005
JL6006
F6003
13
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 3 Standby LED Blinking
3-3.  Standby LED Blinking
3-3-1.  2-times Blinking 
2 times Blinking
Check DC voltage at
JL6001
Yes
Change BB 
board
Is it 18V - 19.5V?
No
board
Take out adaptor 
and test at adaptor 
output is it 18V – 19.5V? 
(Refer Figure 1)
Change BB 
board
Yes
Change 
adaptor
No
Figure 1: How to test DC voltage 
at adaptor output
14
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
3 3 Standby LED Blinking
3-3.  Standby LED Blinking
3-3-2.  3-times Blinking 
Remove
S
k
C
t
No 
3x blinking
Speaker impedance 
≠ 6~8 Ω
START
3x blinking
Speaker Connector 
at CN4000 & perform 
AC OFF - ON
3x blinking
Check Speaker harness 
and Speaker impedance
No connectivity for 
speaker harness
Change
Change 
Speaker
Change 
Speaker 
Harness
Connect back 
3x blinking
F4000 broken
Check connectivity 
of F4000.
No connectivity 
of F4000
Speaker Connector to CN4000 
& perform AC OFF - ON
No 3x blinking
3x blinking
& F4000 OK
Audio IC problem,
IC4000 damage
Change BB 
board
15
DONE
ITC2
CHASSIS
R402/ R407/ R422/ R435/ R452/ R457/ R472/ R488
Troubleshooting
Troubleshooting References (BB Board)
F4000
IC4000
CN4000
JL6012
16
Page of 70
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