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Knowledge section
MDX-F1 (EN)
In case of difficulty
Contents
In case of difficulty
Operation to reset
The microcomputer may fall into malfunction (impos-
sibility to operate, erroneous display, etc.) when the
power cord is unplugged while unit is ON or due to
an external factor. In this case, execute the following
procedure to reset the microcomputer and return it
to normal condition.
Unplug the power cord from the power outlet then,
while holding the “REPEAT” key depressed, plug
the power cord again.
÷ Please note that resetting the microcomputer clears
the contents stored in and it returns to condition when
it left the factory.
What seems to be a malfunction is not always so. Before calling for service, check the following table
according to the symptom of your trouble.
RemedyCauseSymptom
Amplifier section/Speakers
÷ Adjust to an required volume.
÷ Unplug the headphone plug.
÷ Insert correctly.
÷ Adjust to an required volume.
Sound is not produced.
No sound from the head-
phones.
÷ The volume control is set to the mini-
mum position.
÷ The headphone plug is inserted into the
jack.
÷ Imperfect insertion.
÷ The volume control is set to the mini-
mum position.
RemedyCauseSymptom
÷ Adjust the present time again.
÷ Adjust the present time again.
÷ Adjust the present time referring to
“Setting the current time”.
÷ Set the timer ON time and OFF time.
÷ Press the TIMER key to set up the execu-
tion.
÷ Connect antennas.
÷ Select a band.
÷ Tune to the frequency of the desired
station.
÷ Install the outdoor antenna in an apart
position from the road.
÷ Switch the suspected electric appliance
OFF.
÷ Install the TV or the system at an in-
creased distance between them.
÷ Preset stations with tunable frequen-
cies.
÷ Preset stations again.
The clock display blinks with-
out changing the figures.
Timer operation is not pos-
sible.
Radio stations cannot be re-
ceived.
Noise interferes.
A station has been preset but
it cannot be received by press-
ing the P.CALL key.
÷ There was a power failure.
÷ The power cord was unplugged from the
outlet.
÷ The present time has not been adjusted
or there was a power failure.
÷ The timer ON time and OFF time have
not been set.
÷ The timer execution was not set up.
÷
The antennas have not been connected.
÷ A proper broadcasting band has not been
selected.
÷ The frequency of the station to be re-
ceived is not tuned.
÷ Car ignition noise.
÷ Influence of an electric appliance.
÷ A TV set is installed near the system.
÷ The frequency of the preset station is
not tunable.
÷ The preset memory has been cleared
because the power cord has been un-
plugged for a long period.
9
9
y
u
5
§
¶
¶
0
0
0
0
Tuner section
Remote control unit
Symptom Cause Remedy
Remote control operation is
not possible.
÷ Batteries are exhausted.
÷ The remote control is too far away from
the system, the controlling angle is devi-
ated or there is an obstacle in between.
÷ The component to be played is not loaded
with a CD, MD or cassette tape.
÷ Replace with new batteries.
÷ Operate the unit inside the remote con-
trollable range.
÷ Load a CD, MD or cassette tape in the
component to be played.
8
8
0
REPEAT