Troubleshooting

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

If you cannot solve the problem from the hints given here, or the System has been physically damaged, call a qualified person, such as your dealer, for service.

Symptom

No sound is heard.

Poor radio reception

The CD skips.

The CD does not play.

Unable to operate the Remote Control.

Operations are disabled.

NO DISC appears.

Possible Cause

Connections are incorrect, or loose.

Headphones are connected.

The antenna is disconnected.

The AM Loop Antenna is too close to the System.

The FM Wire Antenna is not prop- erly extended and positioned.

The CD is dirty or scratched.

The CD is upside down.

The path between the Remote Con- trol and the sensor on the Unit is blocked.

The batteries have lost their charge.

The built-in microprocessor has mal- functioned due to external electrical in- terference.

There is no disc in the tray, or CD, CD-R or CD-RW that hasn’t yet been finalized (including blank discs) has been inserted.

Action

Check all connections and make cor- rections. (See pages 4 to 8.)

Disconnect the headphones.

Reconnect the antenna securely.

Change the position and direction of the AM Loop Antenna.

Extend FM Wire Antenna to the best reception position.

Clean or replace the CD.

Put the CD in with the label side up.

Remove the obstruction.

Replace the batteries.

Unplug the System then plug it back in.

Insert a CD, CD-R or CD-RW that has been finalized.

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JVC FS-SD550, FS-SD990 manual Troubleshooting, Symptom, Possible Cause, Action