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Getting Started Connections Setup Playback Setting the Timer Other Functions Specifications
Symptom Cause Countermeasure Page
Set does not
operate properly.
• External noise or interference is
causing the set to malfunction.
• Reset the microprocessor. 24
Display not lit
and sound not
produced when
power switch set
to on.
• Power cord not plugged in
securely.
• Check the connections on
the set's rear panel and the
connection of the power plug to
the power outlet.
11
Display lit but
sound not
produced.
• Device you want to play and set
input source do not match.
• Volume control set to minimum.
• MUTING is on.
• Select an appropriate input
source.
• Turn volume up to suitable level.
• Switch off MUTING.
13
13
13
Display is off. • The Dimmer setting is set to
“OFF”.
• Set to something other than
“OFF”.
13
Power turns off
suddenly and
power indicator
flashes red.
• Protection circuit activated due
to rise of internal temperature.
• Core wires of two speakers are
touching each other or a core
wire is sticking out of the terminal
and touching the set’s rear panel,
activating the protection circuit.
• Set is damaged.
• Turn off the power, wait for the
set to fully cool down, then turn
the power back on.
• Place the set in a well-ventilated
place.
• First unplug the power cord,
then twist the core wires tightly
or terminate the speaker cables,
then reconnect.
• Turn off the power and contact a
DENON service center.
9
9
9
–
Symptom Cause Countermeasure Page
Set does not work
properly when
remote control
unit operated.
• Batteries are worn.
• You are operating outside of the
specified range.
• Obstacle between main unit and
remote control unit.
• The batteries are not inserted in
the proper direction, as indicated
by the polarity marks in the
battery compartment.
• The set’s remote control sensor
is exposed to strong light (direct
sunlight, inverter type fluorescent
bulb light, etc.).
• Replace with new batteries.
• Operate within the specified
range.
• Remove the obstacle.
• Insert the batteries in the
proper direction, following the
polarity marks in the battery
compartment.
• Move the set to a place in which
the remote control sensor will
not be exposed to strong light.
3
4
4
3
4
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.
GGeneralH
GRemote Control UnitH
GCDH
Symptom Cause Countermeasure Page
“00 Tr 00 : 00”
is shown on the
display even
though a CD is
loaded.
• The disc is not properly loaded. • Reload the disc. 3
Disc is not played
when CD 1/3
button is pressed.
• The disc is dirty or scratched. • Wipe the dirt off the disc or
replace the disc.
3
A specific part
of a disc is not
played.
• The disc is dirty or scratched. • Wipe the dirt off the disc or
replace the disc.
3
A CD-R or CD-RW
disc cannot be
played.
• The disc has not been finalized.
• The recording conditions are bad
or the quality of the disc itself it
poor.
• Finalize the disc then play it.
• Use a properly recorded disc.
2
–
MP3 and WMA
files cannot be
played.
• The file formats, extensions or
settings made when disc was
created are not compatible with
the RCD-M37.
• Create discs with file formats,
extensions or settings compatible
with the RCD-M37.
15
Troubleshooting
Troubleshooting