Sony KD-55X8500A Service Manual page 120

*1
From previous page
Check harness
connection is OK
between HW and Bxx between HW and Bxx
OK
Change Ch
Wi-Fi module
OK
Wi-Fi module
KD-55/65 X8500A/ X8504A
NG
Connect properly
NG
NG
Change HW board
OK
HW board
OK
Loose harness
NG NG
Change harness Change harness
between Bxx board
and HW board
OK
Main Harness
NG NG
Change Bxx board
If Wi-Fi malfunction happens,
•
Wi-Fi module
• • HSC board HSC board
•
Harness between HSC and Bxx
• Bxx board
are suspected.
TROUBLE SHOOTING
120