Troubleshooting - Denon AVR-1709 Owner's Manual

ENGLISH

Troubleshooting

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3
<t If a problem should arise, first check the following:
C.
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
• External noise or interference is • Reset the microprocessor.
Set does not
operate properly. causing the set to malfunction.
• Connection of the power cord is • Check the insertion of the power
Power does not
turn on, or turns faulty.
off directly after it
was turned on.
No sound is • Connection
produced from devices or connection of the
speakers. speaker cables is faulty.
S
<:
• Device you want to play and set • Select
~
input source do not match.
N
o
:J
• Master volume is turned too • Adjust the master volume to an
l1)
low.
• Mute mode is set.
• Headphones are connected.
• No digital signals are being • Select an input source for which
input.
·The connectors to which the • Set the input mode.
digital inputs are assigned and
the settable input modes do not
match .
• The Dimmer setting is set to • Set to something other than
Display is off.
"OFF':
"DOLBY DIGITAL.:' • DVD player's digital audio output • Check the DVD player's audio
indicator does not setting is not proper.
appear on display.
63
Countermeasure
cord plug.
with input • Check the connections.
the
an appropriate
source.
appropriate level.
• Cancel the mute mode.
• Disconnect the headphones.
the digital input setting has been
made.
"OFF':
output setting. For details, read
player's
the DVD
instructions.
Symptom
Power switches
off suddenly while
you are using the
AVR-1709, the
power indicator
will flash in red
at intervals of
approximately 2
Page
seconds.
46
Power switches
off suddenly while
you are using the
17
AVR-1709, the
power indicator
will flash red
at intervals of
9 - 17
approximately 0.5
seconds.
Even applying
input 39
power, the power
display flashes
40
red at interva Is of
approximately 0.5
40
seconds.
40
26
39
40
-
operating
Cause
• The protection circuit will be • Please switch off power at once,
activated depending upon the and re-apply the power after
temperature rise in the internal the body temperature has fallen
parts of the unit. sufficiently.
• Please re-install AVR-1709 in a
place having good ventilation.
• Use speakers having impedance • Please use speakers which have
less than that specified. the specified impedance.
• If speaker cable core wires touch
each other or the core wires • Unplug the power cord, then
become disconnected from their after twisting the core wires
terminals, the protection circuit
together tightly again, or effecting
will be activated in the event of termination
core wires coming into contact please reconnect once again.
with the AVR-1709 rear panel.
• The AVR-1709 amplifier circuit • Switch off the power and please
has failed. contact
adviser.
Countermeasure Page
9
-
9
9
treatments etc,
-
the service
DENON