JVC UX-P400 manual Troubleshooting, Maintenance

Troubleshooting

If you are having a problem with your System, check this list for a possible solution before calling for service.

General:

Adjustments or settings are suddenly canceled before you finish.

]There is a time limit. Repeat the procedure again.

Operations are disabled.

]The built-in microprocessor may malfunction due to external electrical interference. Unplug the AC power cord and then plug it back in.

Unable to operate the System from the remote control.

]The path between the remote control and the remote sensor on the System is blocked.

]The batteries are exhausted.

No sound is heard.

]Speaker connections are incorrect or loose.

]Headphones are connected.

Radio Operations:

Hard to listen to broadcasts because of noise.

]Antennas connections are incorrect or loose.

]The AM loop antenna is too close to the System.

]The FM antenna is not properly extended and positioned.

Disc Operations:

The disc does not play.

]The disc is placed upside down. Place the disc with the label side up.

ID3 Tag on an MP3 disc cannot be shown.

]There are two types of ID3 Tag—Version 1 and Version 2. This System can only show ID3 Tag Version 1.

MP3 groups and tracks are not played back as you expect.

]The playing order is determined when the disc was recorded. It depends on the writing application.

The disc sound is discontinuous.

]The disc is scratched or dirty.

The disc tray does not open or close.

]The AC power cord is not plugged in.

]Child Lock is in use (see page 16).

Tape Operations:

The cassette holder cannot be opened.

]Power supply from the AC power cord has been cut off while the tape was running. Turn on the System.

Recordings:

Impossible to record.

]Small tabs on the back of the cassette are removed. Cover the holes with adhesive tape.

Timer Operations:

Daily Timer and Recording Timer do not work.

]The System has been turned on when the on-time comes. Timer starts working only when the System is turned off.

Maintenance

To get the best performance of the System, keep your discs, tapes, and mechanism clean.

Handling discs

•When removing the disc from its case, hold 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.

•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.

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 rotate it.

–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, on a TV or speaker, or near a magnet.

To keep the best recording and playback sound quality

•Use a cotton swab moistened with alcohol to clean the heads, capstans, and pinch rollers.

•Use a head demagnetizer (available at electronics and audio shops) to demagnetize the heads (when the System turned off).

Cleaning the System

•Stains should be wiped off with a soft cloth. If the System is heavily stained, wipe it with a cloth soaked in water-diluted neutral detergent and wrung well, then wipe clean with a dry cloth.

•Since the System may deteriorate in quality, it become damaged or get its paint peeled off, be careful about the following:

–DO NOT wipe it with a hard cloth.

–DO NOT wipe it strongly.

–DO NOT wipe it with thinner or benzine.

–DO NOT apply any volatile substance such as insecticides to it.

–DO NOT allow any rubber or plastic to remain in contact for a long time.

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