Read Sony KD-55X8505A (serv.man2) Service Manual online
KD-55X8505A/65X8505A(EU)
121
TROUBLE SHOOTING
From previous page
OK
Check harness
connection is OK
between HW and Bxx
connection is OK
between HW and Bxx
Loose harness
NG
OK
Connect properly
Change
Wi-Fi module
Wi-Fi module
NG
NG
Change Bxx board
HW board
OK
Wi-Fi module
OK
If Wi-Fi malfunction happens,
•
•
Wi-Fi module
•
HSC board
•
Harness between HSC and Bxx
•
Bxx board
are suspected.
NG
Change HW board
NG
Change harness
between Bxx board
and HW board
between Bxx board
and HW board
Main Harness
OK
*1
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