Alpine CDA-7990 manual Case of Difficulty, 44-EN

Page 46

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 ball-point 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 function- ing.

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.

44-EN

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Contents Page CDA-7990 Contents Do not Disassemble or Alter Moisture Condensation TemperatureMaintenance Damaged DiscInserting Discs Never Attempt the FollowingNew Discs Irregular Shaped DiscsDisc Accessories Installation LocationDisc Cleaning Handling the Detachable Front PanelBasic Operation Detaching the Front PanelAttaching the Front Panel Initial System Start-UpTurning Power On and Off Controllable with Remote ControlRear Adjusting Volume/SubwooferAudio Mute Function 10-EN Radio modeDisplaying Time CD Player/Changer modesSetting Time 11-ENAdjusting the Bass/Treble Center Frequencies 12-ENDefault values 13-ENSetting when Using the Remote Control 14-ENSwitching the Tuner Mode 15-ENChanging Lighting Color 16-EN17-EN CD Text Scroll Setting 18-ENSubwoofer On and Off 19-ENDigital Optical Output On and Off 20-ENSetting the AUX Mode 21-ENTurning Mute Mode On/Off 22-ENBlackout Mode On and Off 23-EN24-EN Displaying the Title/TextAbout Title and Text CD/Changer mode 25-ENTitling Discs/Stations 26-EN27-EN For exampleSearching for Titled Stations 28-ENText 29-ENErasing Disc Title CD/CD Changer only 30-ENSwitching the Disc Mode Recalling the Stored Settings31-EN Manual Tuning 32-ENAutomatic Seek Tuning 33-ENManual Storing of Station Presets 34-ENAutomatic Memory of Station Presets 35-ENStoring into Direct Access Preset D.A.P. Band 36-ENTuning to Preset Stations 37-ENPlayback 38-ENFast Forward and Backward Music Sensor Skip39-EN Repeat Play 40-ENScanning Programs X. Random Play41-EN Controlling CD Changer Optional 42-ENMulti-Changer Selection When a 12-disc CD Changer is connected43-EN Case of Difficulty 44-EN45-EN Unable to fast forward or back- ward the CDSpecifications 46-ENLimited Warranty Page Page Alpine ELECTRONICS, INC