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Troubleshooting
ENGLISH
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.
Display not lit and sound
not produced when
POWER switch set to
on.
• Power supply cord not plugged in
securely.
• Check the insertion of the power
supply cord plug.
Display lit but sound not
produced.
• Speaker cables not securely
connected.
• INPUT SELECTOR knob position is
not appropriate.
•Volume control set to minimum.
• MUTING is on.
• No digital signal is being input.
• Connect securely.
•Switch to the proper position.
•Turn volume up to suitable level.
• Switch off MUTING.
•Properly select a digital signal input
source.
6
25
25
26
21
Nothing is displayed on
monitor.
•AVR-1507’s video output terminals
and monitor’s input terminals are not
properly connected.
•Monitor’s input setting is wrong.
• Check that the connections are
correct.
• Set the monitor’s input selector to
the terminals to which video signals
are connected.
8,
10 ~ 15
—
No DTS sound is
produced.
• DVD player’s audio output setting is
not set to bit stream.
• DVD player is not DTS-compatible.
•AVR-1507’s input setting is set to
analog.
•Make the DVD player’s default
settings.
• Use a DTS-compatible player.
• Set to “AUTO” or “DTS”.
—
—
25
Copying from DVD to
VCR is not possible.
• Copying between a source such as
DVD and a VCR is not usually
possible, as DVDs are often encoded
with copy-protection signals that
prevent VCR recording.
• Copying is not possible. —
This unit does not
operate properly when
remote control unit is
used.
• Batteries dead.
• Remote control unit too far from this
unit.
•Obstacle between this unit and
remote control unit.
• Different button is being pressed.
•
< and > ends of batteries inserted
in reverse.
• Replace with new batteries.
• Move closer.
• Remove obstacle.
•Press the proper button.
• Insert batteries properly.
3
3
3
—
3
Power has turned off
and the power indicator
is blinking red.
• The set’s internal temperature has
risen and the protection circuit has
been activated.
• The core wires of the speaker cables
are touching each other or the AVR-
1507’s rear panel, activating the
protection circuit.
•AVR-1507 is malfunctioning.
• Put the AVR-1507 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.
7
7
7
7
No test tones are
produced.
• Surround mode is set to a mode
other than STANDARD (Dolby/DTS
Surround).
• Set to STANDARD (Dolby/DTS
Surround).
—
No sound is produced
from surround speakers.
• Surround mode is set to “STEREO”. • Set to a mode other than “STEREO”. —
Sound is only produced
from the center speaker.
•You are playing a monaural source
(TV, AM radio broadcast, etc.) in the
STANDARD (Dolby/DTS Surround)
mode.
•When playing monaural sources,
select a surround mode other than
STANDARD (Dolby/DTS Surround)
mode.
35
“DOLBY DIGITAL” is not
displayed.
• DVD player’s digital audio output
setting is not proper.
• Check the DVD player’s audio output
setting.
For details, see the DVD player’s
operating instructions.
—
38“CHECK ANTENNA” is
displayed in the XM
mode.
•AVR-1507’s XM connectors and the
XM Passport System is not properly
connected.
• Check that the connection are
correct.
51
38“NO SIGNAL” is
displayed in the XM
mode.
• The signal cannot be received. • Reposition your XM Passport System.
No sound is produced
from subwoofer.
• Subwoofer’s power is not on.
• Subwoofer’s initial setting is set to
“NO”.
• Subwoofer’s output is not connected.
• The subwoofer’s channel volume
level is set to “OFF”.
•Turn on the power.
• Set the setting to “YES”.
• Connect properly.
•Turn the subwoofer’s channel volume
level up.
—
19
7
36
38
38
“OFF AIR” is displayed
in the XM mode.
• The selected channel is not currently
broadcasting.
• Select the another channel.
Receiving only XM
channels 0 and 1.
• The XM Tuner is not activated. • Contact XM Radio.