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Troubleshooting - Sanyo FXD-780RDS Operating Instructions Manual

With cd changer control full panel detachable high power fm/am stereo receiver compact disc player with cd changer controller iso mounting with removable trim ring
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TROUBLESHOOTING

Sometimes a simple operational error or a mistake in the wiring can appear to be a problem with the unit.
Before having the unit serviced, refer to the troubleshooting chart below.
Symptom
The compact disc does not
play when inserted into the
unit.
No power.
The unit does not work prop-
erly (Eject, Load, Play)
The sound from the CD player
skips.
No radio reception.
The radio does not stop on
any stations when automatic
tuning is used.
Cause
The volume control is turned
down.
The power connections are
not wired correctly.
The vehicle ignition is
switched off.
The fuse is blown.
The microcomputer has been
affected by electrical noise.
The road surface is rough.
The unit is not mounted se-
curely.
The disc is defective.
The disc is dirty.
The antenna cable is not con-
nected.
The signal are weak.
GB–20
Solution
Turn up the volume control.
Check the +12V and ground
connections.
Switch the ignition to the "ON"
or "ACC" position.
Replace the fuse with another
10A fuse.
Eject the disc, then insert it
again.
Wait for the road surface to im-
prove before playing a disc.
Install the unit securely. Be sure
to use the rear strap if the vehi-
cle does not provide support for
the rear of the unit. (See page
22)
Try another disc.
If it plays properly, the first disc
may be defective.
Clean the disc as explained on
page 2.
Insert the antenna cable firmly
into the antenna jack on the
unit.
Select a station using manual
tuning.

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