Alpine CDE-7870 Stereo Equalizer User Manual


 
15-EN
Information
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.
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.