Bluetooth - Denon AVR-S510BT Service Manual

5. Bluetooth

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