Wireless Network Malfunction - Sony KDL-65W850C Service Manual

3-10. WIRELESS NETWORK MALFUNCTION

Wireless Network
Error Message appear
when the Wireless
Network is selected?
Hardware defect suspected.
Check harness
connection is OK
between WiFi and B* Board
KDL-65W850C, 855C, 857C, 75W850C, 855C
on the TV
No
Yes
Go to the next
NG
NG
OK
Change
NG
Wi-Fi module
OK
Wi-Fi module
No
Is the radio field
Strength too weak
or even No signal?
Yes
NG
Change WiFi module
OK
WiFi module
OK
Connect properly
Change harness
between B* board
and WiFi
Main Harness
TROUBLE SHOOTING
B* Board
Access Point
Loose harness
NG
Change B* board
If Wi-Fi malfunction happens,
OK
• Wi-Fi module
• Harness between WiFi and B* Board
• B* Board
are suspected.
Size B* Board G* Board
65"
BMX
75"
BMX
GL1SB
GL1C
48