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Troubleshooting
guide
Troubleshooting guide
Often, what appears to be a malfunction is due to user error. Before calling for
service please consult the following table.
Symptom
Cause
Remedy
Check cables for shorts, then replace
the fuse with one of with the same
rating (shown on the case).
The power is not turned on
The wiring harness fuse biows
The volume level | is minimum
Raise the volume level.
The fader. or balance is set to one
No sound or sound is low
Adjust the fader and balance.
"The input/output cable o of wiring
harness is connected incorrectly.
Connect the input/output cable or wiring
harness correctly. See "Connections"
(Page 47}.
The cassette tape is faulty.
Use another cassette.
Press the Reset button on the front
panel.
The unit does not work
The microcomputer malfunctions.
properly when a button is
pressed.
Sound quality is poor.
_ The volume level i is too high.
_Use the appropriate volume level
(Page 4)".
A speaker cable is pressed by a
Check the speaker cabling.
screw in the car.
Connect the speaker output connectors
to the separate speaker connectors.
A speaker cable is shared.
A cassette cannot be
inserted.
The cassette has been inserted
The cassette is deformed.
Use another cassette.
incorrectly.
Insert the cassette with the tape
aperture on the right.
The cassette is not ejected
The cassette is deformed.
Use another cassette.
The cassette label is coming off.
Remove the labei or reattach it properly
Poor radio reception
The car antenna is not extended.
Extend the antenna.
The antenna control cable ts not
connected.
Connect the cable correctly. 'See
"Connections (Page 47)"
Tape mode is not selected.
No cassette |s inserted.
Insert a cassette into the unit
When the ignition key
switch is set to OFF, the
memory
contents disappear.
The Memory backup cable is not
connected correctly.
Connect the cable correctly. See
"Connections (Page 47)".
The TEL mute does not
work.
The TEL mute function
works even though the TEL
mute cable is not
connected
50 English
The TEL mute cable is not connected
correctly.
The TEL mute cable touches the
metal part of the car
Connect the cable correctly.
See
"Connections (Page 47)".
Keep the TEL mute cable away from the
metal part of the car.
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