Denon AVR-S910W, Руководство по обслуживанию

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Check the USB device being used
Checking the unit (If no picture is output)
YES
YES
Is the USB device supported by this unit?
•Check the VIDEO circuit.
Is a USB hub being used?
Are digital video signals(920PCK, 920VD0 - 920VD7) output from
CY920 to U1026 (ADV8003)?
This unit supports devices in the FAT16- and FAT32-for-
matted mass storage class, MTP-compatible devices and
iPod devices (except for some models).
Do not use a USB hub.
NO
YES
NO
Checking the unit
Checking the unit:(If no sound is output)
YES
YES
YES
YES
Can a voltage (5V) be confirmed between pin 1 and pin 4 of CP4406
(USB Connector) on USB PCB?
The USB signal circuit between CY920 and CP4406 of the USB PCB
are faulty.
Check the U1073 (DSP) AUDIO circuit and the circuits thereafter.
Are N1008 of the HDMI PCB and CN4402 of the USB PCB correctly
connected?
Are the I2S signal output to pins 26, 28, 30 and 34 of the U1008 HDMI
PCB ?
(The 30, 32, 34pin in the case of DSD)
Are audio signal output to pin 64 of U1041 (A.PLD) on HDMI PCB.
The circuit around U1006 of the HDMI PCB is faulty.
Connect the connectors correctly.
NO
NO
5.3. Cannot recognize the connected USB device
5.4. No picture or sound is output
The circuit around CY920, U1026(ADV8003) is faulty.
The CY920 is faulty.
The circuit around U1041 (A.PLD) is faulty.
NO
NO
NO
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