Maintenance; Troubleshooting - JVC MX-K5 Instructions Manual

Maintenance

To get the best performance of the unit, keep your discs, tapes, and mechanism clean.
Handling discs
• Remove the disc from its case by
holding it at the edge while pressing the
center hole lightly.
• Do not touch the shiny surface of the
disc, or bend the disc.
• Put the disc back in its case after use to
prevent warping.
• Be careful not to scratch the surface of
the disc when placing it back in its case.
• Avoid exposure to direct sunlight,
temperature extremes, and moisture.
To clean the disc
Wipe the disc with a soft cloth in a straight
line from center to edge.

Troubleshooting

If you are having a problem with your unit, check this list for a possible solution before calling for service.
If you cannot solve the problem from the hints given here, or the unit has been physically damaged, call a qualified person,
such as your dealer, for service.
Symptom
Unable to cancel the display demonstration.
No sound is heard.
Hard to listen to broadcasts because of
noise.
The disc sound is discontinuous.
The carrousel does not open or close.
The disc does not play.
The cassette holders cannot be opened.
Impossible to record.
Stereo effect is lost.
Operations are disabled.
Unable to operate the unit from the remote
control.
Handling cassette tapes
Cause
Other buttons are pressed to cancel the
display demonstration.
Connections are incorrect or loose.
• Antennas are disconnected.
• The AM loop antenna is too close to the
unit.
• The FM antenna is not properly extended
and positioned.
The disc is scratched or dirty.
• The AC power cord is not plugged in.
• The carrousel is locked.
The disc is placed upside down.
Power supply from the AC power cord has
been cut off while the tape was running.
Small tabs on the back of the cassette are
removed.
Vocal Masking is activated.
The built-in microprocessor may
malfunction due to external electrical
interference.
• The path between the remote control and
the remote sensor on the unit is blocked.
• The batteries are exhausted.
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• If the tape is loose in its cassette, take
up the slack by inserting a pencil in
one of the reels and rotating.
• If the tape is loose, it may get
stretched, cut, or caught in the
cassette.
• Be careful not to touch the tape
surface.
• Avoid the following places to store the
tape:
— In dusty places
— In direct sunlight or heat
— In moist areas
— Near a magnet
DO NOT use any solvent — such as conventional
record cleaner, spray, thinner, or benzine — to
clean the disc.
Press DEMO on the unit. (See page 8.)
Check all connections and make
corrections. (See pages 6 to 8.)
• Reconnect the antennas correctly and
securely.
• Change the position and direction of the
AM loop antenna.
• Extend the FM antenna at the best
position.
Clean or replace the disc. (See above.)
• Plug the AC power cord.
• Unlock the carrousel. (See page 15.)
Place the disc with the label side up.
Turn on the unit.
Cover the holes with adhesive tape.
Cancel the Vocal Masking. (See page 19.)
Unplug the AC power cord and then plug it
back in.
• Remove the obstruction.
• Replace the batteries.
Action