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Model
KDL-32R400C KDL-32R403C KDL-32R405C KDL-32R408C KDL-32R410C KDL-40R450C KDL-40R453C KDL-40R455C KLV-32R412C
Pages
127
Size
14.66 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / COMMON
File
kdl-32r400c-kdl-32r403c-kdl-32r405c-kdl-32r408c-kd.pdf
Date
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Sony KDL-32R400C / KDL-32R403C / KDL-32R405C / KDL-32R408C / KDL-32R410C / KDL-40R450C / KDL-40R453C / KDL-40R455C / KLV-32R412C Service Manual ▷ View online

BA
Troubleshooting
JL6001
JL006
F6000
JL003
JL008
JL6016
JL005
13
Troubleshooting
3-3. Standby LED Blinking
3-3-1. 2 times blinking
2 times Blinking
B-Board
Check DC voltage at
Yes
Change B-board
-ve
JL6001
19V - 19.5V?
No
g
+ve
Ensure that 
+ve probe is 
touching the
Change B-board
Yes
Adaptor
Take out adaptor 
and check the output voltage.
touching the 
needle. 
No
19V – 19.5V? 
(Refer Figure 1)
Figure 1: How to check adaptor’s output 
voltage
Change adaptor
voltage.
14
Troubleshooting
3-3. Standby LED Blinking
3-3-2. 3 times blinking
START
Remove
Speaker Connector 
at CN4001 & perform
No 3x blinking
Check Speaker harness 
And Speaker impedance
Speaker Impedance 
≠ 6~8 Ω
3x blinking
at CN4001 & perform 
AC OFF - ON
Ch
k
ti it
3x blinking
And Speaker impedance
Change 
Change
3x blinking
No connectivity of F4000
No connectivity for speaker harness
Check connectivity 
of F4000
3x blinking & F4000 OK
Speaker 
Harness
Change 
Speaker
Connect back
3x blinking
No connectivity of F4000
F4000 broken, 
Replace F4000
Audio IC problem,
IC4001 damage
& perform AC OFF  ON
Connect back 
Speaker Connector
to CN4001
& perform AC OFF - ON
No 3x blinking
Change B* 
board
DONE
15
3x LED Blinking - BA board Photo
Troubleshooting
CN4001
3x LED Blinking  BA board Photo
F4000
CN4001
IC4001
16
Page of 127
Display

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