Troubleshooting
ENGLISH
'0
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.
[General]
Symptom Cause
Countenneasure Page
Set does not • External noise or interference
is
• Reset the microprocessor.
64
operate properly.
causing the set
to
malfunction.
Power does not • Connection of the power cord
is
• Check the insertion of the power
21
turn
on,
or turns
faulty.
cord plug.
off directly after it
was turned
on.
No
sound
is
• Connection
with the input
• Check the connections.
10
produced from
devices or connection of the
speakers.
speaker cables
is
faulty.
• Device you want to play
and
set
• Select
an
appropriate input
54
input source
do
not match.
source.
• Master
volume
is
turned too • Adjust the master volume to
an
54
low.
appropriate level.
• Mute mode
is
set.
• Cancel the mute mode.
54
• Headphones are connected.
• Disconnect the headphones.
54
• No
digital signals
are
being • Select
an
input source for which
42
input.
the digital input setting
has
been
made.
• The
connectors
to
which the
• Set the input mode.
41
digital inputs
are
assigned
and
the settable input modes do not
match.
Display
is
off. • The
"Dimmer"
setting
is
set to
• Set
to
something
other than
37
"OFF':
"OFF':
•
The
PURE
DIRECT mode
is
set.
• Set a surround mode other than
46
the
PURE
DIRECT mode.
Symptom
Cause
Countenneasure Page
"DOLBY
DIGITAL:'
• Blu-ray Disc player /
DVD
player's
•
Check
the Blu-ray Disc player /
-
indicator does not digital audio output setting
is
not
DVD
player's audio output setting.
appear
on
display. proper.
For
details, read the Blu-ray Disc
player /
DVD
player's operating
instructions.
Power switches
•
The
protection circuit will
be
• Please switch off power at once,
11
off suddenly while activated depending upon
the
and
re-apply the power after
you are using the temperature rise
in
the internal the body temperature
has
fallen
AVR-1909, the parts of the unit. sufficiently.
power indicator
• Please re-install AVR-1909
in
a
-
will flash
in
red
place having good ventilation.
at intervals of
approximately 2
seconds.
Power switches
• Use speakers having impedance • Please use speakers which
have
11
off suddenly while less than that specified. the specified impedance.
you are using the • If speaker cable core wires touch
• Unplug
the
power cord, then
11
AVR-1909. the
each
other or the core wires after twisting the
core wires
power indicator
become disconnected from their together tightly again, or effecting
will flash
red
terminals, the protection circuit termination
treatments
etc,
at intervals of
will
be
activated
in
the event of please reconnect once again.
approximately 0.5 core wires coming into contact
seconds.
with
the AVR-1909 rear panel.
Even
applying •
The
AVR-1909 amplifier circuit • Switch off the power
and
please
-
power, the power
has
failed. contact
the DENON service
display flashes
adviser.
red
at intervals of
approximately 0.5
seconds.
82
~
3
"
;;
(")
c
::
2.
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