Sony KDL-22CX520 Service Manual page 24

Self Diagnostic Function
3-7-2. Internal Wireless Network malfunction
* Not applicable for these model.
Wireless Network
on the TV
Error Message appear
No
when the Wireless
Network is selected?
Yes
Wireless Module, Harness
Is the radio field
No
Strength too weak
B* Board
or even No signal?
Yes
Access Point
Segment Size
P-2 22
P-2 32
P-2 40
P-2 46
3-7-3. USB Wireless Network malfunction
Wireless Network
on the TV
Error Message appear
No
when the Wireless
Network is selected?
Yes
USB Dongle
B* Board Type G* Board Type
BAT-S GD1
BAT-V G2A
BAT-V G2B
BAT-V G3
-23-
KDL- 22, 32, 40, 46 CX520
RM-GD020, RM-CD013
KDL-32, 40, 46 CX523
Is the radio field
No
Strength too weak
B* Board
or even No signal?
Yes
Access Point
RM-GD020