Information

In Case of Difficulty

If you encounter a problem, please review the items in the following checklist. This guide will help you isolate the problem if the unit is at fault. Otherwise, make sure the rest of your system is properly connected or consult your authorized Alpine dealer.

Basic

No function or display.

Vehicle's ignition is off.

-If connected following instructions, the unit will not operate with the vehicle's ignition off.

Improper power lead connections.

-Check power lead connections.

Blown fuse.

-Check the fuse on the battery lead of the unit; replace with the proper value if necessary.

Internal micro-computer malfunctioned due to interference noise etc.

-Press the RESET switch with a ballpoint pen or other pointed article.

Radio

Unable to receive stations.

No antenna or open connection in cable.

- Make sure the antenna is properly connected;

replace the antenna or cable if necessary.

Unable to tune stations in the seek mode.

You are in a weak signal area.

-Make sure the tuner is in the DX mode.

If the area you are in is a primary signal area, the antenna may not be grounded and connected properly.

-Check your antenna connections; make sure the antenna is properly grounded at its mounting location.

The antenna may not be the proper length.

-Make sure the antenna is fully extended; if broken, replace the antenna with a new one.

Broadcast is noisy.

The antenna is not the proper length.

-Extend the antenna fully; replace it if it is broken.

The antenna is poorly grounded.

-Make sure the antenna is grounded properly at its mounting location.

CD

CD Player/Changer not functioning.

Out of operating temperature range +50˚C (+120˚F) for CD.

-Allow the vehicle's interior (or trunk) temperature to cool.

CD playback sound is wavering.

Moisture condensation in the CD Module.

-Allow enough time for the condensation to evaporate (about 1 hour).

CD insertion not possible.

A CD is already in the CD player.

-Eject the CD and remove it.

The CD is being improperly inserted.

-Make sure the CD is being inserted following

instructions in the CD Player Operation section.

Unable to fast forward or backward the CD.

The CD has been damaged.

- Eject the CD and discard it; using a damaged CD in

your unit can cause damage to the mechanism.

CD playback sound skips due to vibration.

Improper mounting of the unit.

-Securely re-mount the unit.

Disc is very dirty.

-Clean the disc.

Disc has scratches.

-Change the disc.

The pick-up lens is dirty.

-Do not use a commercial available lens cleaner disc. Consult your nearest ALPINE dealer.

CD playback sound skips without vibration.

Dirty or scratched disc.

-Clean the disc; damaged disc should be replaced.

Error displays (built-in CD player only)

Mechanical error

-Press the c button. After the error indication disappears, insert the disc again. If the above- mentioned solution does not solve the problem, consult your nearest ALPINE dealer.

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Alpine cda-7873, CDA-7875, CDA-7876, CDA-7977 owner manual Information, Case of Difficulty