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  • KDL-32EX421, KDL-32EX425, KDL-32EX520, KDL-32EX521, KDL-32EX523, KDL-32EX524, KDL-32EX525, KDL-37EX521, KDL-37EX524, KDL-37EX525, KDL-40EX520, KDL-40EX521, KDL-40EX523, KDL-40EX524, KDL-40EX525, KDL-46EX520, KDL-46EX521, KDL-46EX524, KDL

DOWNLOAD Sony KDL-32EX421 / KDL-32EX425 / KDL-32EX520 / KDL-32EX521 / KDL-32EX523 / KDL-32EX524 / KDL-32EX525 / KDL-37EX521 / KDL-37EX524 / KDL-37EX525 / KDL-40EX520 / KDL-40EX521 / KDL-40EX523 / KDL-40EX524 / KDL-40EX525 / KDL-46EX520 / KDL-46EX521 / KDL-46EX524 / KDL Service Manual ↓ Size: 3.99 MB | Pages: 67 in PDF or view online for FREE

Model
KDL-32EX421 KDL-32EX425 KDL-32EX520 KDL-32EX521 KDL-32EX523 KDL-32EX524 KDL-32EX525 KDL-37EX521 KDL-37EX524 KDL-37EX525 KDL-40EX520 KDL-40EX521 KDL-40EX523 KDL-40EX524 KDL-40EX525 KDL-46EX520 KDL-46EX521 KDL-46EX524 KDL
Pages
67
Size
3.99 MB
Type
PDF
Document
Service Manual
Brand
Device
TV / S/N RANGE 1,000,001 - 1,999,999
File
kdl-32ex421-kdl-32ex425-kdl-32ex520-kdl-32ex521-kd.pdf
Date
PREV: Sony KDL-22PX300 / KDL-32EX403 / KDL-32EX40B / KDL-32EX43B / KDL-32EX500 / KDL-32EX501 / KDL-32EX503 / KDL-32EX504 / KDL-32EX505 / KDL-32EX508 / KDL-32EX603 / KDL-32EX605 / KDL-32EX700 / KDL-32EX701 / KDL-32EX703 / KDL-32EX705 / KDL-32EX706 / KDL-32EX707 / KDL Service Manual

Sony KDL-32EX421 / KDL-32EX425 / KDL-32EX520 / KDL-32EX521 / KDL-32EX523 / KDL-32EX524 / KDL-32EX525 / KDL-37EX521 / KDL-37EX524 / KDL-37EX525 / KDL-40EX520 / KDL-40EX521 / KDL-40EX523 / KDL-40EX524 / KDL-40EX525 / KDL-46EX520 / KDL-46EX521 / KDL-46EX524 / KDL Service Manual ▷ View online

KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
45
TROUBLE SHOOTING
3-6. NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the B* Board
B* Board
Speaker
OK
NG
NG
OK
Check the 
“Speakers setting”
Change to 
“TV Speaker”
“Audio System”
“TV Speakers”
KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
46
3-7. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
Replace the Harness
between B* to
Switch Unit
Switch Unit
Harness
Switch Unit change
B* Board
OK
NG
OK
NG
KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
47
TROUBLE SHOOTING
2) IR remote commander malfunction
TV isn’t controlled 
by remote commander
Green LED light
at power indicator
OK
NG
Sensor is broken
HLR Board
B* Board
OK
NG
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
Check the Harness
between the B* Board
and the HLR Board
Exchange the Harness
Exchange the
HLR Board
Harness
OK
NG
OK
OK
NG
NG
KDL-32EX421,425/37EX521,524,525/32/40/46EX520,521,523,524,525(AEP/UK)
48
TROUBLE SHOOTING
3-8. NETWORK MALFUNCTION
1) Wired Network malfunction
Wired Network
on the TV
Connection result
Local Access
Connection result
Cable Connection
OK
NG
OK
NG
Connection result
Internet Access
Proxy setting
NG
B* Board
Check the Ethernet Cable
Ethernet Cable
Check IP address
and Local router setting
Wired Set-up
IP address setting
Check Local router DHCP server
Auto
Manual
OK
NG
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