42
Check the Bluetooth device being used
YES
Is the Bluetooth device supported by this unit?
Are there other Bluetooth devices on close by?
This unit supports devices with A2DP sup-
port.
Turn off other Bluetooth devices.
NO
YES
NO
Checking the unit
YES
YES
Can a voltage (3.3V) be conrmed between pin 1 and pin 6 of CN911
on USB PCB?
The circuit around IC901 of the USB PCB and BT module (BX8811) are
faulty.
Are CN911 of the USB PCB and BT module (BX8811) correctly con-
nected?
The circuit around Q7510 of the DIGITAL
PCB.
Connect the connectors correctly.
NO
NO
5. Bluetooth
5.1. A connected Bluetooth device is not recognized.