Marantz SR5009/U1B - Page 87

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