Additional Information

Troubleshooting

In case of difficulty, check the following before calling for service.

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Symptom

Cause

Treatment

 

 

 

 

 

 

 

 

 

Sound is not heard.

Cables are not connected

• Connect cables properly by

 

 

 

 

 

properly.

referring to “Connection”.

 

 

 

 

 

 

 

 

 

 

• The power cord is unplugged

• Plug the power cord

 

 

 

 

 

from the power outlet.

securely into the power

 

 

 

 

 

 

outlet.

 

 

 

 

 

 

 

 

 

Recording is not possible.

A playback-only MD is loaded.

• Use a recordable MD.

 

 

 

 

 

 

 

 

 

 

• The MD is protected against

• Slide close the accidental

 

 

 

 

 

accidental erasure (“DISC

erasure protect tab of the

 

 

 

 

 

PROTECTED” is displayed in

MD.

 

 

 

 

 

this case).

 

 

 

 

 

 

 

 

 

 

Remote control is not

The batteries are exhausted.

• Replace batteries with new

 

 

possible.

 

 

ones.

 

 

 

 

 

 

 

 

 

 

• The batteries are inserted with

• Insert batteries with correct

 

 

 

 

 

wrong polarity (+, –).

polarity.

 

 

 

 

 

 

 

 

 

 

• There is an obstacle between

• Remove the obstacle.

 

 

 

 

 

the remote control unit and

 

 

 

 

 

 

remote control sensor.

 

 

 

 

 

 

 

 

 

 

 

• The remote control sensor is

• Screen the direct sunlight.

 

 

 

 

 

under direct sunlight.

 

 

 

 

 

 

 

 

 

 

The MD recorder power

POWER is set to the amplifier/

• Press POWER and “10”

 

 

cannot be switched ON/

 

tuner mode.

simultaneously to set

 

 

STANDBY with POWER of

 

 

POWER to the MD recorder

 

 

the remote control unit.

 

 

mode.

 

 

 

 

 

 

 

 

 

Operation is abnormal.

Condensation is produced

• Unplug the power cord,

 

 

 

inside the MD recorder

wait a few hours and plug it

 

 

 

 

 

 

 

 

 

 

immediately after starting the

again.

 

 

 

 

 

room heating or when it is

 

 

 

 

 

 

transported from a cold to

 

 

 

 

 

 

warm place.

 

 

 

 

 

 

 

 

 

 

 

 

The microcomputer is

• Unplug the power cord then

 

 

 

 

 

malfunctioning due to external

plug it in again.

 

 

 

 

 

noise or lightning.

 

 

 

 

 

 

 

 

 

56 XM-EX90

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JVC XM-EX90 manual Additional Information, Troubleshooting, Symptom Cause Treatment