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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
• Power supply cord not plugged in
sound not produced
securely.
when POWER switch
set to on.
• Speaker
cables
connected.
• FUNCTION knob position is not
Display lit but sound
appropriate.
not produced.
• Volume control set to minimum.
• MUTING is on.
• No digital signal is being input.
• AVR-3806's video output terminals
and monitor's input terminals are
not properly connected.
Nothing is displayed on
• Monitor TV's input setting is
monitor.
wrong.
• The PURE DIRECT mode is set.
• DVD player's audio output setting
is not set to bit stream.
No DTS sound is
• DVD player is not DTS-compatible.
produced.
• AVR-3806's input setting is set to
analog
• Copying between a source such as
DVD and a VCR is not usually
Copying from DVD to
possible, as DVDs are often
VCR is not possible.
encoded
with
signals that prevent VCR recording.
• Subwoofer's power is not on.
• Subwoofer's initial setting is set to
"NO".
No sound is produced
• Subwoofer's
output
from subwoofer.
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 TV's input selector to the
terminals to which video signals
are connected.
• Set a surround mode other than
the PURE DIRECT mode.
• Make the DVD player's initial
settings.
• Use a DTS-compatible player.
• Set to AUTO or DTS.
• Copying is not possible.
copy-protection
• Turn on the power.
• Set the setting to "YES".
is
not
• 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 Dolby Surround.
No sound is produced
• Surround
from surround
"STEREO".
speakers.
• Batteries dead.
• Remote control unit too far from
This unit does not
this unit.
operate properly when
• Obstacle between this unit and
remote control unit is
remote control unit.
Page
used.
• Different button is being pressed.
<
•
and
25
in reverse.
• AVR-3806's
terminals and monitor's input
terminals
7
connected.
• No HDMI signal is being input.
27
An image is not
• The connected monitor equipment
27
projected with an
or other equipments do not
28
HDMI connection.
support HDCP.
63
• The
connected player (HDMI FORMAT)
8, 14 ~
does not matche the supported
25
input format of connected monitor
equipments.
–
• The AVR-3806 does not play HDMI
audio signals.
The HDMI audio is not
output.
• The HDMI audio signals are not
32
output
monitor device.
–
• The set's internal temperature has
risen and the protection circuit has
–
been activated.
29
Power has turned off
and the power
• The core wires of the speaker
–
indicator is flashing
cables are touching each other or
red.
the
activating the protection circuit.
• AVR-3806 is malfunctioning.
—
• You are playing a monaural source
75
Sound is only produced
(TV, AM radio broadcast, etc.) in
from the center
the
7, 25
speaker.
mode.
42
85
Cause
Measures
• Set to Dolby Surround.
mode
is
set
to
• Set
to
a
"STEREO".
• Replace with new batteries.
• Move closer.
• Remove obstacle.
• Press the proper button.
>
ends of batteries inserted
• Insert batteries properly.
HDMI
output
• Check the HDMI connection.
are
not
properly
• Properly select HDMI signal input
source.
• The AVR-3806 will not output
video signal unless the other
equipment supports HDCP.
output
format
of
the
• Check whether the output format
of the connected player (HDMI
FORMAT) matches the supported
input format of connected monitor
equipments.
• Set the HDMI audio playback
setting at the "HDMI In Assign"
settings to "AMP".
• Set the HDMI audio playback
from
the
connected
setting at the "HDMI In Assign"
settings to "TV".
• Put the AVR-3806 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.
AVR-3806's
rear
panel,
• Turn off the power and contact a
DENON customer service center.
• When playing monaural sources,
select a surround mode other than
DOLBY/DTS
SURROUND
DOLBY/DTS SURROUND mode.
Troubleshooting
Page
—
mode
other
than
—
3
3
3
—
3
16
66, 67
16
16
66, 67
66, 67
7
39, 40
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