HUAWEI TECHNOLOGIES CO., LTD.
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4.13 Troubleshooting Bluetooth Faults
4.13.1 Circuit analysis
Bluetooth circuit main component is F601 and U601. U601 is Bluetooth communication group of
high integration. It integrated Bluetooth RF, Bluetooth baseband and other unit circuit, U601
(MT6612) Bluetooth circuit as the image. Bluetooth receives signal through L601, C601, C602 and
F601 to the pin 21 and 22 of MT6612, Bluetooth transmit signal through the circuit to the antenna.
The circuit used a 32MHz crystal oscillator in the RF output circuit.
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