Troubleshooting Guide - Kenwood KDC-X879 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.
The fuse has blown.
After checking for short circuits in the wires,
replace the fuse with one with the same
rating.
Speaker cable touches on chassis etc.
Wire or insulate the speaker cable properly
and press the reset button.
The Demonstration mode has been selected.
Hold down button [5] and press the Reset
button to release the Demonstration mode.
?
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' .
?
There's no loudness effect.
The 'System Q' (KDC-MP925/X879) (page 24)/
'Audio control' (KDC-X979) (page 26) is set to SRS
WOW.
Turn it to the other items.
?
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' .
?
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.
60
|
English
?
Even if Loudness is turned ON, high-pitched tone
isn't compensated for.
Tuner source is selected.
High-pitched tone isn't compensated for when
in Tuner source.
The 'System Q' (KDC-MP925/X879) (page 24) is set
to SRS WOW.
Turn it to the other items.
?
The Bass center frequency, Bass quality factor,
Bass extend, Middle center frequency, Middle
quality factor, and Treble center frequency can't
be adjusted.
The 'System Q Setting' (page 48) is set OFF.
Set it ON.
?
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.
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' .
The values of Volume offset are low.
Turn up the Volume offset, referring to the
section on 'Audio Control' (KDC-MP925/X879)
(page 22)/ 'Audio control' (KDC-X979) (page
26).
The 'Built-in Amp Mute Setting' (page 49) is ON.
Turn it OFF.
If the PLII is selected by 'Audio Setup (Easy mode)'
(KDC-X979) (page28) and if the Front speaker is set
to "16 — 7 10" and the Center speaker is set to
"16 over, " the subwoofer does not sound.
---
?
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.
The speakers are not wired correctly.
Reconnect the speaker wires so that each
output terminal is connected to a different
speaker.
?
Subwoofer Output, Subwoofer Low Pass Filter
and Subwoofer setting can't be done.
The 'Dual Zone System' (page 25) is ON.
Turn it OFF.
?
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.