Alpine CDE-7872, CDE-7870, CDM-7874 owner manual Information, Case of Difficulty

Page 17

Information

In Case of Difficulty

If you encounter a problem, please turn the power off, then on again. If the unit is still not functioning normally, 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 (CDM-7874 only) 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 abailable 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.

15-EN

Page 16 Page 18
Image 17
Page 16 Page 18
Contents CDM-7874 CDE-7872 CDE-7870 Alpine CD Changers Give You More Contents Precautions Handling the Detachable Front Panel Basic Operation Turning Power On and OffDetaching the Front Panel Initial System Start-Up Attaching the Front PanelAudio Mute Function Subwoofer On and OffDisplaying Time Setting the AUX Mode CDM-7874 onlyCDE-7872/CDE-7870 only Setting the Bass Control Setting the Treble ControlCDM-7874 only Changing Audio Level Display Pattern CDM-7874 only Setting TimeRadio Operation Manual TuningAutomatic Seek Tuning Press and hold the Preset buttons 1 through Automatic Memory of Station PresetsTuning to Preset Stations Storing into Direct Access Preset D.A.P. BandInserting/Ejecting Disc CD Player OperationMusic Sensor Skip Normal Play and PauseFast Forward and Backward Repeat PlayControlling CD Changer Optional CDM-7874 only Case of Difficulty InformationNo Magzn FM Tuner Section SpecificationsPrecautions Installation and ConnectionsRemoval InstallationCD Changer ConnectionsTo prevent external noise from entering the audio system Switched Power Lead Ignition RedLimited Warranty

CDE-7872, CDM-7874, CDE-7870 specifications

The Alpine CDE-7870, CDM-7874, and CDE-7872 are three highly regarded car audio head units known for their impressive sound quality, advanced features, and user-friendly interfaces. Each model caters to distinct preferences while maintaining Alpine's commitment to delivering exceptional audio experiences on the road.

The Alpine CDE-7870 stands out due to its blend of functional design and modern technology. It features a detachable faceplate for easy security when leaving the vehicle. With a high-performance 18W RMS power output, it delivers crisp, clear sound that enhances the listening experience. The unit supports various audio formats, including MP3, WMA, and AAC, ensuring versatility in playback options. Additionally, it includes an integrated Bluetooth system, allowing users to stream music wirelessly and engage in hands-free calling, which increases convenience during travel. The cde-7870 also features a vibrant multi-line display, ensuring easy readability of track information, even in bright sunlight.

The CDM-7874 offers similar audio capabilities but distinguishes itself with an expanded set of features focused on customization and connectivity. With support for high-resolution audio formats, it ensures that audiophiles can enjoy music with stunning clarity. The CDM-7874 also provides a built-in USB port and auxiliary input, allowing users to connect their devices directly, and charge them while on the go. One of the model's standout characteristics is its compatibility with Android devices, enabling Android users to enjoy seamless playback and control. Moreover, it boasts an advanced equalizer and sound tuning options, letting users tailor audio settings to their personal preferences.

The CDE-7872, while slightly more straightforward, does not compromise on sound quality or features. This model focuses on providing users with essential functionality at an attractive price point. It includes a powerful built-in amplifier and features a high-pass filter for better sound clarity, especially at higher volumes. The CDE-7872 also supports multiple audio formats and ensures easy connectivity with USB and aux inputs. Its user-friendly interface is designed for quick access to settings, making it ideal for those who value simplicity without sacrificing performance.

In summary, the Alpine CDE-7870, CDM-7874, and CDE-7872 each provide unique features tailored to meet diverse user needs while maintaining exceptional audio performance. Whether you're an audiophile, a casual listener, or someone who simply enjoys a good soundtrack on the road, these models deliver quality sound and practicality, embodying Alpine's legacy in the car audio industry.
Top Page Image Contents