Sony KD-43X85K Service Manual page 82

TROUBLESHOOTING
6.2 Wi-Fi Bluetooth - Wireless Network malfunction
"Setting"  "Network & Internet"
No
No scan result under
"AVAILABLE NETWORKS"
("Wi-Fi" turn ON)
Yes
Hardware defect
suspected.
Go to *1
No
Wi-Fi radio
strength is weak BM5A Board
or no signal?
Yes
Check with
NG
another Wi-Fi/BT Access Point
module
OK
Wi-Fi/BT module
*1
Check FFC 20P
connection is OK NG
Connect
between
properly
Wi-Fi/BT module
and BM5A board
NG
OK
Change FFC 20P
NG
Check with between BM5A
another Wi-
Fi/BT module and Wi-Fi/BT
OK
Wi-Fi/BT module
OK
Loose FFC 20P
NG
Change BM5A
board
board
module
OK
FFC 20P
82
SYS SET