Sony KD-55A9F Service Manual page 72

Wireless Network malfunction (2/2)
*1
From previous page
Check harness
connection is OK between
Wi-Fi/BT module and Bxx
OK
Check with another
Wi-Fi/BT module
OK
Wi-Fi/BT module
NG
Connect properly
NG
NG
OK
Loose harness
NG
Change harness
between Bxx board
and Wi-Fi/BT module
OK
Main Harness
Change Bxx board
If Wi-Fi malfunction happens,
•
Wi-Fi/BT module
•
Harness between Wi-Fi/BT and Bxx
•
Bxx board
are suspected.
72
SYS SET