Kenwood DPX-3070B EN - Manual (Page 32)

32 | English
Troubleshooting Guide
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.
General
?
The power does not turn ON.

The fuse has blown.

After checking for short circuits in the wires,
replace the fuse with one with the same
rating.
rating.
 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
source.
 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
turned OFF.

The ignition and battery wire are incorrectly
connected.

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.

Turn it ON.
?
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
car.

Pull the TEL mute wire away from the metal
part of the car.
?
No sound can be heard, or the volume is low.

The fader or balance settings are set all the way to
one side.

Center the fader and balance settings. Center the fader and balance settings.
 The input/output wires or wiring harness are
connected incorrectly.

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 first tape was bad.
 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.

Turn it OFF.
?
The sound quality is poor or distorted.

One of the speaker wires is being pinched by a
screw in the car.

Check the speaker wiring. Check the speaker wiring.
 The tape head is dirty.

Clean the tape head.
 The speakers are not wired correctly.

Reconnect the speaker wires so that each
output terminal is connected to a different
speaker.
?
The Touch Sensor Tone doesn’t sound.

The preout jack is being used.

The Touch Sensor Tone can’t be output from
the preout jack.
?
The Dimmer function doesn’t work.

The Dimmer wire isn’t connected correctly.

Check the Dimmer wire connection.
Tuner source
?
Radio reception is poor.

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
Direct Access Tuning.

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
unit.

What can be designated in the FM band is to
0.1 MHz.