Maintenance; Troubleshooting - JVC CA-MXJ777V Instructions Manual

Maintenance

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.
DO NOT use any solvent — such as conventional
record cleaner, spray, thinner, or benzine — to
clean the disc.

Troubleshooting

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
No sound is heard.
Hard to listen to broadcasts because of
noise.
The disc sound is discontinuous.
The disc tray does not open or close.
The disc does not play.
The cassette holders cannot be opened.
Impossible to record.
Operations are disabled.
Unable to operate the unit from the remote
control unit.
EN26-33;MX-J777V/PM6
Cause
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.
• Trays are 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.
The built-in microprocessor may
malfunction due to external electrical
interference.
• The path between the remote control
unit and the remote sensor on the unit is
blocked.
• The batteries are exhausted.
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Handling cassette tapes
• 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
Check all connections and make
corrections. (See pages 3 to 6.)
• 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 trays. (See page 12.)
Place the disc with the label side up.
Turn on the unit.
Cover the holes with adhesive tape.
Unplug the AC power cord and then plug
it back in.
• Remove the obstruction.
• Replace the batteries.
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7/8/99, 9:15 AM
Action