Wireless Network Malfunction - Sony KDL-40W580B Service Manual

Troubleshooting

3-10. Wireless Network malfunction

1) Internal Wireless Network malfunction
Wireless Network
on the TV
No
Is the radio field
Error Message appear
Strength too weak
when the Wireless
Network is selected?
Yes
Hardware defect
*1
suspected.
Go to the next
No
BAXL Board
or even No
signal?
Yes
NG
Change WiFi
Access Point
module
OK
WiFi module
From *1
Check harness
NG
connection is OK
Connect properly
between WiFi and BAXL
NG
OK
Change
NG
Wi-Fi module
OK
Wi-Fi module
W580B/W585B/W590B/W600B/W605B/W607B/W608B/WM15B
OK
Loose harness
Change harness
NG
between BAXL
board and WiFi
OK
Main Harness
If Wi-Fi malfunction happens,
• Wi-Fi module
• Harness between WiFi and BAXL
• BAXL board are suspected.
RB2G
CHASSIS
Change
BAXL board
26