Troubleshooting Guide - Kenwood KDC-3022 Instruction Manual

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.01
The fuse has blown.
After checking for short circuits in the wires, replace the fuse with
one with the same rating.
?
There's a source you can't switch.07
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.08
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
The ignition and battery wire are incorrectly
Connect the wire correctly, referring to the section on
<Connecting Wires to Terminals>.
?
There's no loudness effect.12
You're using Non-fading preout.
Loudness has no effect in Non-fading preout.
?
The Non-fading output can't be turned ON or
The <Switching Preout> (page 25) is set is set on Rear preout.
Change it to Non-fading preout.
?
Even if Loudness is turned ON, high-pitched tone isn't compensated
for. 17
Tuner source is selected.
High-pitched tone isn't compensated for when in Tuner source.
?
The Bass center frequency, Bass quality factor, Bass extend, Middle
center frequency, Middle quality factor, and Treble center frequency
can't be adjusted.19
The <System Q Setting> (page 25) is set OFF.
Set it ON.
?
No sound can be heard, or the volume is low.
?
The sound quality is poor or
?
Non-fading output, Non-fading Low Pass Filter and Non-fading
OFF.10
setting can't be
connected.11
OFF.14
?
There's no Front High Pass Filter and Rear High Pass Filter
?
The Touch Sensor Tone doesn't
?
The Dimmer function doesn't work.
— 35 —
The fader or balance settings are set all the way to one
Center the fader and balance settings.
The input/output wires or wiring harness are connected
Reconnect the input/output wires or the wiring harness correctly.
See the section on <Connecting Wires to Terminals>.
The values of Volume offset are low.24
Turn up the Volume offset, referring to the section on <Audio
control> (page 10).
The <Built-in Amp Mute Setting> (page 25) is
Turn it OFF.
distorted.25
One of the speaker wires is being pinched by a screw in the car.
Check the speaker wiring.
The speakers are not wired correctly.27
Reconnect the speaker wires so that each output terminal is
connected to a different speaker.
done.28
The <Switching preout> (page 25) is set on Rear preout.
Set it on Non-fading preout.
The <Non-fading output> (page 11) is
Turn it ON.
The <Dual zone system> (page 26) is
Turn it OFF.
The Non-fading preout is being used.
There's no effect in Non-fading preout.
sound.34
The preout jack is being used.
The Touch Sensor Tone can't be output from the preout jack.
The Dimmer wire isn't connected correctly.
Check the Dimmer wire connection.
side.21
incorrectly.22
ON.100
OFF.29
ON.30
effect.31
38-1