Troubleshooting

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

 

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

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.

 

 

 

 

 

 

 

 

 

Operation is abnormal.

Condensation is produced

• Unplug the power cord, wait

 

 

 

 

inside the MD recorder

 

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.

 

 

 

 

 

 

 

 

 

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JVC XM-448BK manual Troubleshooting, Symptom Cause Treatment