Sony KDL-40LX900 / KDL-40LX903 / KDL-40LX904 / KDL-40LX905 / KDL-52LX900 / KDL-52LX904 / KDL-52LX905 / KDL-60LX900 / KDL-60LX903 / KDL-60LX905 Service Manual ▷ View online
KDL-40/52/60LX900,903,904,905(AEP/UK)
33
TROUBLE SHOOTING
3-6. NO SOUND
No Sound
Check the Speaker
Harness
Speaker Harness
Replace
the BEHS Board
BEHS Board
Speaker
NG
OK
NG
OK
Check the
“Speakers setting”
Change to
“TV Speaker”
“Audio System”
“TV Speakers”
KDL-40/52/60LX900,903,904,905(AEP/UK)
34
3-7. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
BEHS to Switch Unit
harness check
Switch Unit
Harness
Switch Unit change
BEHS Board
OK
NG
OK
NG
KDL-40/52/60LX900,903,904,905(AEP/UK)
35
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
BEHS Board
OK
NG
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
Check the Harness
between the BEHS Board
and the HLR Board
Exchange the Harness
Exchange the
HLR Board
Harness
OK
NG
OK
OK
NG
NG
KDL-40/52/60LX900,903,904,905(AEP/UK)
36
TROUBLE SHOOTING
3-8. NETWORK MALFUNCTION
1) Wired Network malfunction
Wired Network
on the TV
Connection result
Local Access
Ether net cable
Connection result
Cable Connection
BEHS Board
OK
NG
OK
NG
2) Internal Wireless Network malfunction
Wireless Network
on the TV
Is the radio field
Strength too weak
or even No signal?
or even No signal?
Access Point
BEHS Board
Error Message appear
when the Wireless
Network is selected?
Wireless Module, Harness
NO
YES
NO
YES
Connection result
Internet Access
Proxy setting
NG
Click on the first or last page to see other KDL-40LX900 / KDL-40LX903 / KDL-40LX904 / KDL-40LX905 / KDL-52LX900 / KDL-52LX904 / KDL-52LX905 / KDL-60LX900 / KDL-60LX903 / KDL-60LX905 service manuals if exist.