Denon AVR-X2100W Service Manual page 92

5.2. Cannot connect to the Bluetooth
Can a voltage (5V) be confirmed between pin 1 and pin 4 of N1036 on
HDMI PCB?
Can a voltage (5V) be confirmed pin 10 of CP6001 on Bluetooth
PCB?
Can a voltage (3.3V) be confirmed pin 6 of CP6001 on Bluetooth
PCB?
Can a voltage (3.6V) be confirmed pin 1 of U6001 on Bluetooth PCB?
Can a waveform (32.768kHz) be confirmed pin 4 of IC6000 on Blue-
tooth PCB?
Is 1pin(LDO_ON) of Bluetooth PCB CP6001 "Hi"?
The circuit around Bluetooth Module (iBT-06-02S) or CX870 is faulty.
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YES
YES
YES
YES
YES
YES
92
NO
The circuit between the AC inlet and N1036 is faulty.
Check the SMPS PCB.
The circuit between N1036 of the HDMI PCB and
NO
CP6001 of the Bluetooth PCB are faulty of wire or
board.
The circuit around Q1071 or U1070 of the HDMI
NO
PCB is faulty.
NO
The circuit around U6001 is faulty.
NO
The oscillation circuit including IC6000 is faulty.
The circuit between CX870 and CP6001 of the
NO
LDO_ON are faulty.