Alpine TDM-7581R - Manual (Page 20)

18
-EN
Information
CD
CD 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).
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 CD Changer.
- Securely re-mount the CD Changer.
• Disc is very dirty.
- Clean the disc.
• Disc has scratches.
- Change the disc.
CD playback sound skips without vibration.
• Dirty or scratched disc.
- Clean the disc; damaged discs should be replaced.
Single (8 cm) disc does not play.
• Single CD adaptor is not used.
- Attach a single CD adaptor (recommended by Alpine)
to the single disc and insert into the CD magazine.
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.
Cassette
Tape playback sounds dull.
• The tape head needs cleaning.
- Clean the tape head.
• Incorrect Dolby NR in use (TDM-7583R only).
- Check Dolby NR switch setting.