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

Cause

Solution

 

 

 

The compact disc does not

The volume control is turned

Turn up the volume control.

play when inserted into the

down.

 

unit.

The power connections are

Check the +12V and ground

 

 

not wired correctly.

connections.

 

 

 

No power.

The vehicle ignition is

Switch the ignition to the “ON”

switched off.

or “ACC” position.

 

 

The fuse is blown.

Replace the fuse with another

 

 

10A fuse.

The unit does not work prop-

The microcomputer has been

Eject the disc, then insert it

erly (Eject, Load, Play)

affected by electrical noise.

again.

The sound from the CD player

The road surface is rough.

Wait for the road surface to im-

skips.

 

prove before playing a disc.

 

The unit is not mounted se-

Install the unit securely. Be sure

 

curely.

to use the rear strap if the vehi-

 

 

cle does not provide support for

 

 

the rear of the unit. (See page

 

 

22)

 

The disc is defective.

Try another disc.

 

 

If it plays properly, the first disc

 

 

may be defective.

 

The disc is dirty.

Clean the disc as explained on

 

 

page 2.

 

 

 

No radio reception.

The antenna cable is not con-

Insert the antenna cable firmly

nected.

into the antenna jack on the

 

 

 

unit.

The radio does not stop on

The signal are weak.

Select a station using manual

 

tuning.

any stations when automatic

 

 

 

tuning is used.

 

 

 

 

 

GB–20

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Sanyo FXD-780RDS operating instructions Troubleshooting, Symptom Cause Solution