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