Read Sony KD-55X9000A (serv.man2) Service Manual online
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OK
Check harness
connection is OK
between HW and Bxx
Loose harness
NG
OK
Connect properly
Change
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
Main Harness
OK
*1
KD-55/65 X9000A, X9004A(PA)
127
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