Troubleshooting - Denon PMA-710AE Owner's Manual

Troubleshooting

If a problem should arise, first 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
When the power • The power cord's plug is not
is turned on, the fully plugged in.
power indicator
does not light
and no sound is
produced.
The power • A short circuit has occurred,
indicator flashes, either due to contact between
and no sound is the speaker cable cores, or
produced. because 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 sufficient
space has not been assured
around the device.
The power • The speaker cables are not fully
indicator lights connected.
but no sound is • The device you want to listen to
produced. 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".
Sound is only • The speaker cables are not fully
produced from connected.
the left or right • The input cable is not fully
speaker (s). connected.
• The left/right balance is off.
Countermeasure Page
• Make sure the unit is correctly 7
plugged in and switched on at
the mains socket.
• Unplug the power cord, then 5, 6
after twisting the core wires
together tightly again, or
effecting termination treatments
etc, please reconnect once
again.
• Turn off the power and ensure 1, 5
sufficient space around the
device. And turn on the power
again after the body temperature
has fallen sufficiently.
• Connect securely. 5, 6
• Insure the correct input is 8
selected.
• Set to an appropriate level. 3, 4, 8
• Connect securely. 6, 7
• Ensure the SPEAKER A or B 3
buttons are set to "ON" as
appropriate.
• Connect securely. 5, 6
• Connect securely. 6, 7
• Adjust to a proper balance using 3, 8
the balance control knob.
Symptom Cause
For stereo sound, • The connections of the speakers
the positions of or input cables are inverted.
the instruments
are inverted left/
right.
Humming sound is • The player's ground wire is not
heard in the music connected.
when playing • The cables are not
records. connected to the
terminals.
• Influence from a TV or VCR near
the player.
Howling is • The player and speakers are too
produced along close together.
with the music if • The vibrations from the speakers
the volume is too are being transmitted to the
high when playing player through the floor.
records.
When playing a • The needle pressure is not
record, the sound proper.
is distorted. • There is dirt on the tip of the
needle.
• The cartridge is defective.
Countermeasure
• Check the connections to be
sure that left is connected to
left, right to right.
• Connect securely.
fully • Connect securely.
PHONO
• Try changing the positions in
which the devices are installed.
• Install the player and speakers as
far from each other as possible.
• Use cushions, etc., to absorb
the speakers' vibrations.
• Adjust to a proper needle
pressure.
• Check the tip of the needle.
• Replace the cartridge.
ENGLISH
Page
6, 7
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