Kenwood MD-RECEIVER KMD-870R - Manual (Page 34)

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Troubleshooting Guide
External disc control mode
The computer chip in the unit is not functioning normally. Press the reset button on the unit (see p. 4).
The disc control mode cannot
be selected. No cable has been connected to the disc changer input
terminal on the unit. Connect the cable to the disc changer input terminal on the
unit.
The specified disc does not
play, but another one plays
instead. The specified CD is quite dirty. Clean the CD.
The CD is upside-down. Load the CD with the labeled side up.
The disc is loaded in a different slot from that specified. Eject the disc magazine and check the number for the
specified disc.
The disc is severely scratched. Try another disc instead.
The sound skips. Something is touching the disc changer. Remove whatever is touching it.
The CD is scratched or dirty. If skipping happens at the same place when the car is
stopped, something with the CD is wrong. Clean the CD.
The display shows that the
changer is being played, but no
sound can be heard.
The specified track will not
play. Random play or magazine random play has been selected. Turn off random play or magazine random play.
SOLUTION POSSIBLE CAUSE PROBLEM
If the following situations, consult your nearest service center:
• Even though the disc changer is connected, the Disc Changer Mode is not on, with "AUX" showing in the display during the Changer Mode.
• Even though no device (KCA-S210A, CA-C1AX, KDC-CPS82 or KDC-CX82) is connected, the AUX Mode is entered when switching modes.
The sound skips. The mounting angle exceeds 30°. Adjust to an angle of less than 30°.
The mounting is unstable. Anchor the unit securely. When the sound skips at the same
portion even when the car is stopped, the problem lies with
the MD.
There is noise during playback. The MD is soiled with dust or dirt. If another MD is played back and there is no problem, then
the problem is due to the sound quality of the MD itself.
SOLUTION POSSIBLE CAUSE PROBLEM
A track will not play. Random play has been selected. Turn off random play.
The MD loads but soon comes
out again. Nothing is recorded on the MD. Replace the MD with one that is recorded.