Sony KD-55S8500C Service Manual page 111

2) Internal Wireless Network malfunction
Wireless Network
on the TV
Error Message appear
when the Wireless
Network is selected?
Yes
From previous page
Check harness
connection is OK
between WiFi and Bxx
OK
Change
Wi-Fi module
OK
Wi-Fi module
KD-55/65S8500C(CH)
No Is the radio field
Strength too weak
or even No signal?
Yes
Change WiFi module
OK
WiFi module
NG
Connect properly
NG
Change harness
NG
between Bxx board
and WiFi
OK
Main Harness
No
Bxx Board
NG
Access Point
OK
Loose harness
NG
Change Bxx board
TROUBLE SHOOTING
If Wi-Fi malfunction happens,
•
Wi-Fi module
•
Harness between WiFi
and Bxx
•
Bxx board
are suspected.
111