Denon ASD-51N-W Service Bulletin

Denon Brand Company, D&M Holdings lnc.

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When you accept a product for repair, always try the following operation. The defect may be cleared.

• Check operation using the correct operation methods (confirm the symptoms of the problem).

• Reset the product.

• Update the product firmware to the latest version.
If the problem cannot be solved after performing the above operations and you determine that the product has
failed (hardware-failed), replace the product with a new one.

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This product is network compatible, so firmware updating by DPMS is possible.

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This manual includes instructions on updating the firmware and resetting.

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Some parts are set as spare parts. For details, see "PARTS LIST OF PACKING VIEW".

Ver. 1

SERVICE MANUAL

MODEL JP E3 E2 EK E2A E1C E1K EUT

ASD-51N

ASD-51W

33

33

CONTROL DOCK for iPod

X0434 V.01 DE/CDM 0908

CAUTION IN SERVICING

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Before the product are replaced

When you accept a product for repair, always try the following operation. The defect may be cleared.

• Check operation using the correct operation methods (confirm the symptoms of the problem).

• Reset the product.

• Update the product firmware to the latest version.
If the problem cannot be solved after performing the above operations and you determine that the
product has failed

How to reset the ASD-51N(51W)

• Unplug the ASD-51N(51W)'s AC adapter from the wall socket and wait for about 30 seconds before
plugging it back in (restart operation).

• Reset the ASD-51N(51W).

Use the reset operation when you want to restore the default settings or when the restart operation has failed to resolve a
fault.

1. A cautionary note about resetting

When the reset, the settings are reset and the contents registered in the favorites, the recently played list, etc., are cleared.
Obtain prior approval from the customer.

2. How to reset the ASD-51N(51W)

(1) Insert a thin, pointed object (*2) into the reset hole(*1) and press the reset button inside the ASD-51N(51W).

• The ASD-51N(51W) will restart automatically. The GUI screen will appear and the reset operation will be complete.

* To press the reset button inside the ASD-51N(51W) use a thin, pointed object such as a toothpick or an unfolded paper

clip.
Diameter: 0.8mm~2.5mm
Length: 25mm or more

(hardware-failed), replace the product with a new one.

2

ASD-51N / ASD-51W