What might seem to be a malfunction in your unit
may just be the result of slight misoperation or
miswiring. Before calling service, first check the
following table for possible problems.
The power does not turn ON.
After checking for short circuits in the wires,
replace the fuse with one with the same
Speaker cable touches on chassis etc.
Wire or insulate the speaker cable properly
and press the reset button.
There’s a source you can’t switch.
There’s no media inserted.
Set the media you want to listen to. If there’s
no media in this unit, you can’t switch to each
The Disc changer isn’t connected.
Connect the Disc changer. If the Disc changer
isn’t connected to it’s input terminal, You can’t
switch to an external disc source.
The memory is erased when the ignition is
The ignition and battery wire are incorrectly
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
The TEL mute function does not work.
The TEL mute wire is not connected properly.
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
section on 'Connecting Wires to Terminals'.
The 'TEL Mute' (page 25) is OFF.
The TEL mute function turns ON even though the
TEL mute wire is not connected.
The TEL mute wire is touching a metal part of the
Pull the TEL mute wire away from the metal
No sound can be heard, or the volume is low.
The fader or balance settings are set all the way to
Center the fader and balance settings.
Center the fader and balance settings.
The input/output wires or wiring harness are
Reconnect the input/output wires or the
wiring harness correctly. See the section on
'Connecting Wires to Terminals'.
'Connecting Wires to Terminals'.
The cassette tape is bad.
Try playing another cassette tape. If works fine,
The values of Volume offset are low.
Turn up the Volume offset, referring to the
section on 'Audio Control' (page 10).
section on 'Audio Control' (page 10).
The 'Built-in Amp Mute Setting' (page 25) is ON.
The sound quality is poor or distorted.
One of the speaker wires is being pinched by a
Check the speaker wiring.
Check the speaker wiring.
The speakers are not wired correctly.
Reconnect the speaker wires so that each
output terminal is connected to a different
The Touch Sensor Tone doesn’t sound.
The preout jack is being used.
The Touch Sensor Tone can’t be output from
The Dimmer function doesn’t work.
The Dimmer wire isn’t connected correctly.
Check the Dimmer wire connection.
The car antenna is not extended.
Pull the antenna out all the way.
Pull the antenna out all the way.
The antenna control wire is not connected.
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
The desired frequency can’t be entered with the
A station that can’t be received is being entered.
Enter a station that can be received.
You’re trying to enter a frequency with a 0.01 MHz
What can be designated in the FM band is to
