Sony XR-75Z9K Service Manual page 60

TROUBLESHOOTING
6.3 Bluetooth Malfunction
Voice Remote doesn't work
Or
Bluetooth Mouse/Keyboard/Controller doesn't work
Or
Bluetooth Speaker/Headphone/ doesn't work
OK
Home > Settings >
Bluetooth Settings
Can turn On BT and
Can find the BT devices
NG
Check harness NG
connection is OK between
Wi-Fi/BT module and
Main Board
NG
OK
NG
Change
Wi-Fi//BT module
OK
Wi-Fi/BT module
Please refer
Voice Remote manual
Bluetooth Mouse/Keyboard/Controller
Bluetooth Speaker/Headphone operation manual
OK
Connect properly
NG
Change harness
Between Main board
and Wi-Fi/BT module
OK
Main Harness
Or
Or
Loose harness
Change Main board
60
SYS SET