Troubleshooting, Specifications, English – Denon DN-A300M User Manual

Page 10

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ENGLISH

ENGLISH

Symptom

Cause

Measures

Page

7

1. Are all connections proper ?
2. Is the set being operated as described in the operating instructions ?
3. Are the speakers and input components being operated properly ?

If the set does not seem to be operating properly, check the points listed below. If these points do not
apply, the set may be damaged. Turn off the power immediately and contact your store of purchase.

When the power is turned
on, the power indicator
does not light and no
sound is produced.

• The power supply cord’s plug is not

fully plugged in.

• Make sure the unit is correctly

plugged in and switched on at the
mains socket.

5

The power indicator
lights but no sound is
produced.

• The speaker cables are not fully

connected.

• The device you want to listen to has

not been selected.

• The volume control is set to

minimum.

• The input cable is not fully connected.
• The speaker selector button is set to

“OFF”.

• Connect securely.

• Insure the correct input is selected.

• Set to an appropriate level.

• Connect securely.
• Ensure the SPEAKER A or B buttons

are set to “ON” as appropriate.

4, 5

2, 6

2, 6

5

2, 6

Sound is only produced
from the left or right
speaker(s).

• The speaker cables are not fully

connected.

• The input cable is not fully connected.
• The left/right balance is off.

• Connect securely.

• Connect securely.
• Adjust to a proper balance using the

balance control knob.

4, 5

5
2

When playing a record,
the sound is distorted.

• The needle pressure is not proper.
• There is dirt on the tip of the needle.
• The cartridge is defective.

• Adjust to a proper needle pressure.
• Check the tip of the needle.
• Replace the cartridge.



For stereo sound, the
positions of the
instruments are inverted
left/right.

• The connections of the speakers or

input cables are inverted.

• Check the connections to be sure

that left is connected to left, right to
right.

4, 5

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

Troubleshooting

Humming sound is heard
in the music when
playing records.

• The player’s ground wire is not

connected.

• The cables are not fully connected to

the PHONO terminals.

• Influence from a TV or VCR near the

player.

• Connect securely.

• Connect securely.

• Try changing the positions in which

the devices are installed.

3, 5

3, 5

Howling is produced
along with the music if
the volume is too high
when playing records.

• The player and speakers are too

close together.

• The vibrations from the speakers are

being transmitted to the player
through the floor.

• Install the player and speakers as far

from each other as possible.

• Use cushions, etc., to absorb the

speakers’ vibrations.

Microphone sound is not
produced.

• The microphone is plugged

incompletely.

• The mic volume control is set to

minimum.

• The MIC MIX button is set to "OFF".

• Plug securely.

• Set to an approptiate level.

• Set to "ON".

2, 6

2, 6

2, 6

Clipping is produced
when using the
microphone.

• The MIC AGC button is set to "OFF".

• Set to "ON".

2, 6

Specifications

Power amplifier section

Rated Output Power:

2-channel driving (CD

SP OUT)

70 W + 70 W

(8

Ω/ohms, 20 Hz ~ 20 kHz, T.H.D. 0.07%)

110 W + 110 W (4

Ω/ohms, DIN, 1 kHz, T.H.D. 0.7%)

High frequency distortion:

0.01% (Rated output: –3 dB), 8

Ω/ohms, 1 kHz

Output terminals:

Speaker A or B:

4 ~ 16

Ω/ohms

A + B:

8 ~ 16

Ω/ohms

Pre amplifier section

Input Sensitivity/Input Impedance:

PHONO (MM):

2.5 mV/32 k

Ω/kohms

CD, TUNER, DVD/AUX,TAPE-1, TAPE-2: 150 mV/33 k

Ω/kohms

MIC :

0.6 mV/4 k

Ω/kohms

RIAA Deviation:

PHONO (MM):

20 Hz ~ 20 kHz ±0.5 dB

Overall performance

SN Ratio (A network):

PHONO (MM):

76 dB

(With input terminals short-circuited, 5 mV input signal)
CD, TUNER, DVD/AUX,TAPE-1, TAPE-2:

105 dB (input terminals short-circuited)

MIC :

60 dB

Tone control :

BASS:

100 Hz ±8 dB

TREBLE:

10 kHz ±8 dB

LOUDNESS:

100 Hz +6 dB, 10 kHz +4 dB

General

Power outlets:

1 unswitched and 2 switched outlets, total capacity 120W (1A)

Power Supply:

AC 120 V, 60 Hz

Power Consumption:

3.3 A

Dimensions:

483(W) x 140(H) x 372(D) mm (19"x 5-1/2"x14-21/32")
(including protruding parts)

Net Mass:

10.3 Kg (22 lbs 11.31 oz)

Operational temperature:

5

to 35

(41

to 95

)

Storage temperature:

-20

to 60

(4

to 140

)

Remote control unit (RC-1101)

Remote control type:

Infrared pulse

Power supply:

R03/AAA Type (2 batteries)

External dimensions:

50 (W) x 200 (H) x 27 (D) mm (2" x 7-55/64" x 1")

Mass:

128 g (Approx. 4.5 oz) (including batteries)

* For improvement purposes, specifications and functions are subject to change without advanced notice.

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