Troubleshooting; Timer Indicator - Marantz M-CR603 User Manual

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Troubleshooting

If a problem occurs fi rst check the following:
1. Are the connections correct?
2. Is the set being operated as described in the user guide?
3. Are the other components operating properly?
If this unit does not operate properly, check the items listed in the table below. If the problem persists,
there may be a malfunction.
In this case, disconnect the power immediately and contact your retail outlet.
GGeneralH
Symptom Cause
Set does not • External noise or interference is
operate properly. causing the set to malfunction.
Display not lit • Power cord not plugged in
and sound not securely.
produced when
power switched
to on.
Display lit but
• Wrong input source selected.
sound not
produced.
• Volume control set to minimum.
• MUTING is on.
Display is off. • The Dimmer setting is set to
"OFF".
Power turns off • Protection circuit activated due
suddenly and to a rise in internal temperature.

TIMER indicator

fl ashes red.
(Flashes at 0.5
second intervals) • 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.
Power turns off
suddenly and
TIMER indicator
fl ashes red.
(Flashes at 0.25
second intervals)
The TV sound is • Other digital audio signals than
not output. 2 channel linear PCM cannot
be input through AUX4 IN
(OPTICAL) terminal of this unit.
44
Countermeasure Page
• Reset the microprocessor. 35
• Check the connections on 10
the set's rear panel and the
connection of the power plug to
the power outlet.
• Select the appropriate input 12
source.
• Turn volume up to suitable level. 12
• Switch off MUTING. 12
• Set to something other than 13
"OFF".
6
• 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 III
location.
5
• 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 Marantz service center.
–
• When you try to input digital
audio signals other than 2
channel linear PCM to this unit,
set the digital audio output
setting of the TV to 2 channel
PCM.
For details, see the operating
instructions of the TV.
GRemote controlH
Symptom Cause
Set does not • Batteries are worn.
work properly • You are operating outside of the
when remote specifi ed range.
control operated. • Obstacle between main unit and
remote control.
• 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, fl uorescent light, etc.).
GCDH
Symptom Cause
"Unsupported • The disc is not properly loaded.
DISC" is shown
on the display
even though a CD
is loaded.
Disc does not • The disc is dirty or scratched.
1/3
play when
button is pressed.
A specifi c part • The disc is dirty or scratched.
of a disc is not
played.
A CD-R or CD-RW • The disc has not been fi nalized.
disc cannot be • The recording conditions are bad
played. or the quality of the disc itself
it poor.
MP3 and WMA • The fi le formats, extensions or
fi les cannot be settings made when the disc
played. was created are not compatible
with this unit.
GTunerH
Symptom Cause
Continuous noise • Antenna cable is not properly
is heard when connected.
receiving FM
programs.
Hissing or • This may be noise from a TV or
continuous noise interference from a broadcast
is heard when station.
receiving AM
programs.
Countermeasure Page
• Replace with new batteries. 4
• Operate within the specifi ed 4
range.
• Remove the obstacle. –
• Insert the batteries in the 4
proper direction, following the
polarity marks in the battery
compartment.
• Move the set to a place in which 4
the remote control sensor will
not be exposed to strong light.
Countermeasure Page
• Reload the disc. 3
• Wipe the disc clean or replace 3
the disc.
• Wipe the disc clean or replace 3
the disc.
• Finalize the disc then play it. 3
• Use a properly recorded disc. –
• Create discs with fi le formats, 40
extensions or settings
compatible with this unit.
Countermeasure Page
• Connect the antenna cable 7
properly.
• Connect an outdoor antenna. –
• Turn off the TV. –
• Change the position and 7
direction of the AM loop
antenna.