Troubleshooting; Operating Instructions - Denon AVR-487 Operating Instructions Manual

ENGLISH

Troubleshooting

If a problem should arise, first check the following.
1. Are the connections correct?
2. Have you operated the receiver according to 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.
Symptom Cause
Display not lit and sound • Power supply cord not plugged in
not produced when securely.
POWER switch set to
on.
Display lit but sound not • Speaker cables
produced. connected.
• INPUT SELECTOR knob position is
not appropriate.
• Volume control set to minimum.
• MUTING is on.
• No digital signal is being input.
Nothing is displayed on
• AVR-487's video output terminals and
monitor. monitor's input terminals are not
properly connected.
• Monitor's input setting is wrong.
No DTS sound is • DVD player's audio output setting is
produced. not set to bit stream.
• DVD player is not DTS-compatible.
AVR-487's input setting is set to
analog.
Copying from DVD to • Copying between a source such as
VCR is not possible. DVD and a VCR is not usually
possible, as DVDs are often encoded
with copy-protection signals that
prevent VCR recording.
No sound is produced • Subwoofer's power is not on.
from subwoofer. • Subwoofer's initial setting is set to
"NO".
• Subwoofer's output is not connected.
• The subwoofer's channel volume
level is set to "OFF".
Measures
• Check the insertion of the power
supply cord plug.
not securely • Connect securely.
• Switch to the proper position.
• Turn volume up to suitable level.
• Switch off MUTING.
• Properly select a digital signal input
source.
• Check that the connections are
correct.
• Set the monitor's input selector to
the terminals to which video signals
are connected.
• Make the DVD player's default
settings.
• Use a DTS-compatible player.
• Set to "AUTO" or "DTS".
• Copying is not possible.
• Turn on the power.
• Set the setting to "YES".
• Connect properly.
• Turn the subwoofer's channel volume
level up.
Symptom
No test tones are
• Surround mode is set to a mode
produced. other than STANDARD (Dolby/DTS
Surround).
No sound is produced • Surround mode is set to "STEREO".
from surround speakers.
• Batteries dead.
This unit does not
operate properly when • Remote control unit too far from this
remote control unit is unit.
used. • Obstacle between this unit and
Page remote control unit.
• Different button is being pressed.
14
<
• and
in reverse.
Power has turned off • The set's internal temperature has
and the power indicator risen and the protection circuit has
7
is blinking red. been activated.
21
• The core wires of the speaker cables
21
are touching each other or the AVR-
22
487's rear panel, activating the
19
protection circuit.
• AVR-487 is malfunctioning.
8,
10 ~ 14
Sound is only produced • You are playing a monaural source
from the center speaker. (TV, AM radio broadcast, etc.) in the
—
STANDARD (Dolby/DTS Surround)
mode.
"DOLBY DIGITAL" is not
• DVD player's digital audio output
—
displayed.
setting is not proper.
—
21
"CHECK ANTENNA" is • AVR-487's XM connectors and the
displayed in the XM XM Passport System is not properly
—
mode. connected.
"NO SIGNAL" is • The signal cannot be received.
displayed in the XM
mode.
—
"OFF AIR" is displayed • The selected channel is not currently
17
in the XM mode. broadcasting.
Receiving only XM • The XM Tuner is not activated.
7
channels 0 and 1.
30
43
ENGLISH
Cause Measures
• Set to STANDARD
Surround).
• Set to a mode other than "STEREO".
• Replace with new batteries.
• Move closer.
• Remove obstacle.
• Press the proper button.
>
ends of batteries inserted • Insert batteries properly.
• Put the AVR-487 in a well-ventilated
place.
• Turn off the power, then wait for the
set to fully cool off before turning the
power back on.
• Check the connections of all the
speaker cables.
• Turn off the power and contact a
DENON customer service center.
• When playing monaural sources,
select a surround mode other than
STANDARD (Dolby/DTS Surround)
mode.
• Check the DVD player's audio output
setting.
For details, see the DVD player's

operating instructions.

• Check that the connection are
correct.
• Reposition your XM Passport System.
• Select the another channel.
• Contact XM Radio.
Troubleshooting
Page
(Dolby/DTS —
—
3
3
3
—
3
7
7
7
7
29
—
32
32
32
32