Others; Troubleshooting - Denon S-81 Operating Instructions Manual

ENGLISH

Others

Troubleshooting

If a problem should arise, first check the following.
1. Are all connections proper?
2. Is the set being operated as described in the operating instructions?
3. Are the speakers and other components operating properly?
If this unit is not operating properly, check the items listed in the table below. Should the problem persist,
there may be a malfunction. Disconnect the power immediately and contact your store of purchase.
¢ Common section
Symptom Cause
Display does not light and • The power supply cord is not plugged
no sound is produced into a power outlet.
when power is turned on.
Remote control unit does • The batteries are flat.
not operate. • The remote control unit is too far
away.
• There is an obstacle between the
main unit and the remote control unit.
• The remote control unit is being
operated at an angle of over 30° with
respect to the front panel.
• The batteries are inserted in the
wrong direction.
Measures Page
• Plug the power supply cord into a 12
power outlet.
• Replace with new batteries. 4
• Operate from closer to the main unit. 4
• Remove the obstacle. 4
• Operate the remote control unit from 4
directly in front of the main unit.
• Insert the batteries in the proper 4
direction.
28
ENGLISH
¢ Receiver section
Symptom Cause
Display lights but no • The speaker cables are not properly
sound is produced. connected.
• The input is not properly selected.
• The volume is set too low.
No sound is produced • The speaker cables are not properly
from once side. connected.
• The input cables are not properly
connected.
• The left/right balance is off.
For stereo sources, the • The connections of the speaker
positions of the cables or input cables are inverted.
instruments are inverted.
Buzzing noise in FM • The antenna cable is not properly
broadcasts. connected.
• Noise is entering from an electronic
device equipped with a microprocessor,
or the signal from the broadcast
system is weak.
Hissing or buzzing noise • Noise is entering from a monitor, etc.,
is heard in AM broadcasts. or there is interference.
Humming noise is heard • There is interference from signals
in AM broadcasts. conveyed through the power supply
cord.
• S-81's XM terminal and the XM
"CHECK ANTENNA" is
displayed in the XM Connect-and-Play antenna is not
mode. properly connected.
"NO SIGNAL" is • The signal cannot be received.
displayed in the XM
mode.
"OFF AIR" is displayed • The selected channel is not currently
in the XM mode. broadcasting.
• The XM Tuner is not activated.
Receiving only XM
channels 0 and 1.
No sound is produced • Connections are wrong.
when an iPod is • The "iPod CONTROL" switch on the
connected and played.
rear panel is not set to the right
position.
Others
Measures Page
• Connect securely. 8
• Connect in the proper position. 10, 11,
12
• Adjust the volume to an appropriate 13
level.
• Connect securely. 8
• Connect securely. 10, 11
12
• Adjust the left/right balance. 13
• Check the connections. 8, 10,
11, 12
• Connect the antenna properly. 9
• Change the layout of the equipment 9
or the positions or directions of the
connection cables, antenna, etc.
• Connect an outdoor antenna. 9
• Turn off the monitor. —
• Change the position or direction of 9
the AM loop antenna.
• Connect an outdoor antenna. 9
• Connect an outdoor antenna. 9
• Check that the connection are 10
correct.
• Reposition your XM Connect-and- 17
Play antenna.
• Select the another channel. 17
• Contact XM Radio. 16
• Connect properly. 10, 11
• Set the "iPod CONTROL" switch on 10, 11
the rear panel to the proper position.