Sony KDL-22PX300 Service Manual ▷ View online
KDL-22PX300(AEP/UK/RUSSIA)
41
3-7. TV COMMANDER BUTTONS MALFUNCTION
TROUBLE SHOOTING
1) TV button malfunction
Button malfunction
on the TV
BAL to Switch Unit
harness check
Switch Unit
Harness
Switch Unit change
BAL Board
OK
NG
OK
NG
KDL-22PX300(AEP/UK/RUSSIA)
42
PS2 Unit isn’t controlled
by remote commander
NG
OK
TV is controlled
by remote commander
Replace Stand
(PS2 Unit)
See
page.43
page.43
2) IR remote commander malfunction (PS2 Unit side)
KDL-22PX300(AEP/UK/RUSSIA)
43
TROUBLE SHOOTING
3) IR remote commander malfunction (TV side)
TV isn’t controlled
by remote commander
Green LED light
at power indicator
OK
NG
Sensor is broken
HLR Board
BAL Board
OK
NG
Mechanical
(ex. bezel)
Green LED blinks
at power indicator
when using commander
near sensor’s window
Check the Harness
between the BAL Board
and the HLR Board
Exchange the Harness
Exchange the
HLR Board
Harness
OK
NG
OK
OK
NG
NG
KDL-22PX300(AEP/UK/RUSSIA)
44
2) USB Wireless Network malfunction
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
BAL Board
OK
NG
OK
NG
Connection result
Internet Access
Proxy setting
NG
Wireless Network
on the TV
Is the radio field
Strength too weak
or even No signal?
or even No signal?
Access Point
BAL Board
Error Message appear
when the Wireless
Network is selected?
USB Dongle
NO
YES
NO
YES
Click on the first or last page to see other KDL-22PX300 service manuals if exist.