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XD-750/700/550/500 (En)
56
Preparation sectionBasic sectionApplication sectionKnowledge sections
In case of difficulty
Remote control unit
Symptom Cause Remedy
Remote control operation is not possible.
RemedyCauseSymptom
Receiver, speakers
÷Connect properly referring to “System con-
nection”.
÷ Adjust to an required volume.
÷Switch MUTE OFF.
÷Unplug the headphone plug.
÷Turn the power OFF, remove the short-
circuit and turn the power ON again.
÷Connect properly referring to “System con-
nection”.
÷ Adjust the present time again.
÷Adjust the present time again.
÷Adjust the present time referring to “Clock
adjustment”.
÷Set the timer ON time and OFF time.
÷Execute the timer program with the SRS
3D (SOURCE DIRECT)* key.
÷Connect antennas.
÷Select a band.
÷Tune to the frequency of the desired sta-
tion.
÷Install the outdoor antenna in an apart posi-
tion from the road.
÷Switch the suspected electric appliance
OFF.
÷Install the TV or the system at an increased
distance between them.
Sound is not produced.
The character display blinks and sound is
not produced.
Sound is not produced from the left or
right speakers.
The clock display blinks without chang-
ing the figures.
Timer operation is not possible.
Radio stations cannot be received.
Noise interferes.
÷The speaker cords are disconnected.
÷The volume control is set to the minimum
position.
÷The MUTE switch of remote control unit is
switched ON.
÷The headphone plug is inserted into the
jack.
÷The speaker cords are short-circuited.
÷The speaker cords are disconnected.
÷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 received
is not tuned.
÷Car ignition noise.
÷Influence of an electric appliance.
÷A TV set is installed near the system.
÷Batteries are exhausted.
÷The remote control is too far away from the
system, the controlling angle is deviated or
there is an obstacle in between.
÷There is no tape or CD set in the component
to be played.
÷An attempt is made to play the cassette
deck which is recording something.
÷Replace with new batteries.
÷Operate the unit inside the remote control-
lable range.
÷Set a tape or CD in the component to be
played.
÷Wait until the recording ends.
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9
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.
Operation to reset
The microcomputer may fall into malfunction (impossibility to
operate, erroneous display, etc.) when the power cord is un-
plugged while power is ON or due to an external factor. In this
case, execute the following procedure to reset the microcom-
puter and return it to normal condition.
÷Please note that resetting the microcomputer clears the contents
stored in and returns and to condition when it left the factory.
Reset using a sharp-tipped object.
RESET
∞
* The key inside ( ) is used only with the XD-550/XD-500.