Denon UD-M31 Operations Instructions download pdf (Page 31)

TROUBLESHOOTING

Check the following before assuming there is a problem with the set.

2 Are connections proper?

2 Are you operating as described in these operating instructions?

2 Be sure to check that the main power operation switch on the rear panel is turned on.

If the set does not seem to be operating properly, check the items listed on the table below.

If the cause of the problem cannot be found, the set may be malfunctioning. Immediately turn off the power and unplug

the power supply cord, then contact your store of purchase or your nearest DENON dealer.

Problem

Set does not operate.

Disc does not play.

Recording is not

possible.

Cause

• No disc is loaded.

• Disc is damaged or dirty.

• Load a disc.

• Replace with another disc.

• Connections are wrong.

• Nothing is recorded on the disc.

(“

Blank Disc

” or “

No Track

”

is displayed.)

• Check the connections.

• Replace with a recorded disc.

• Disc is protected. (“

Protected

”

is displayed.)

•

There is no remaining time on the

disc. (“

Disc Full

” is displayed.)

•

255 tracks are already recorded on the

disc. (“

Disc Full

” is displayed.)

• You are attempting to digitally record

a digitally recorded source.

(“

Copy

Prohibit

” is displayed.)

• The TIME/INPUT button is not set

properly.

• The INPUT LEVEL control is turned

down.

• Move the disc’s accidental erasure

protection tab to cover the hole.

• Replace the disc.

If there are any sections you do not

need, erase them to increase the

recording time.

• Replace the disc.

If there are any tracks you do not

need, erase them to increase the

recording time.

• Use analog recording.

• Check the recording input mode.

• Adjust the INPUT LEVEL control.

Measure Page

9, 30

30,

21, 22

30,

21, 22

13, 14

MAIN SPECIFICATIONS

2 Type: MiniDisc digital audio system

Wow & flutter: Below measurable limits (±0.001% W. peak or less)

Sampling frequency: 44.1 kHz

Recording method: Magnetic modulation overwriting

Light source: Semiconductor

Power supply: AC 230 V, 50 Hz

Power consumption: 14 W

Maximum external dimensions: 210 (width) x 95 (height) x 326 (depth) mm

(including feet, controls and jacks)

Mass: 2.7 kg

“US and foreign patents licensed from Dolby Laboratories Licensing Corporation”

✽ Design and specifications are subject to change without notice in the course of product improvement.

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Denon UD-M31 Operations Instructions Page 31

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