Denon PMA-710AE - Troubleshooting

Getting Started Connections Operation
ENGLISH
Specications

If a problem should arise, rst check the following:
1. Are the connections correct?
2. Is the set being operated as described in the owner’s manual?
3. Are the other components operating properly?
If this unit does not operate properly, check the items listed in the table below. Should the problem
persist, there may be a malfunction.
In this case, disconnect the power immediately and contact your store of purchase.
Symptom Cause Countermeasure Page
When the power
is turned on, the
power indicator
does not light
and no sound is
produced.
• The power cord’s plug is not
fully plugged in.
• Make sure the unit is correctly
plugged in and switched on at
the mains socket.
7
The power
indicator ashes,
and no sound is
produced.
• A short circuit has occurred,
either due to contact between
the speaker cable cores, or
because ｃ core has come loose
from a terminal and is contacting
the rear panel of the PMA-
710AE.
• The device’s internal temperature
has increased because sufcient
space has not been assured
around the device.
• Unplug the power cord, then
after twisting the core wires
together tightly again, or
effecting termination treatments
etc, please reconnect once
again.
• Turn off the power and ensure
sufcient space around the
device. And turn on the power
again after the body temperature
has fallen sufciently.
5, 6
1, 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.
5, 6
8
3, 4, 8
6, 7
3
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.
5, 6
6, 7
3, 8
Troubleshooting
Symptom Cause Countermeasure Page
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.
6, 7
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.
• Inuence from a TV or VCR near
the player.
• Connect securely.
• Connect securely.
• Try changing the positions in
which the devices are installed.
6
6
–
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 oor.
• Install the player and speakers as
far from each other as possible.
• Use cushions, etc., to absorb
the speakers’ vibrations.
–
–
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.
–
–
–
Troubleshooting