Disc Makers KDC-W7027 - Manual (Page 43)

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.
✔ You’re using Subwoofer preout.
☞ Loudness has no effect in Subwoofer preout.
? 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.
?
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.
? 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' (page 12).
✔ The 'Built-in Amp Mute Setting' (page 35) 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.
✔ 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.
?
Even though Synchronize Clock is ON, the clock
can’t be adjusted.
✔ The received RDS station isn’t sending time data.
☞ Receive another RDS station.
? The Dimmer function doesn’t work.
✔ The Dimmer wire isn’t connected correctly.
☞ Check the Dimmer wire connection.
?
The panel is not hidden even when the power is
turned off.
✔ The protection function for preventing fingers or
other things from getting caught in between the
panel and this unit has been activated.
☞ Turn off the power again.
?
Sound is interrupted when Dual Zone System is
set to ON.
✔ When Dual Zone System is set to ON while
the Menu system’s 'AF (Alternative Frequency)'
(page 36) is set to ON, the sound quality may be
adversely affected if the internal source is set to
the tuner.
☞ ---
?
The Control Panel moves although you do not
desire.
✔ The Demonstration mode has been selected.
☞ Hold down button [5] and press the Reset
button to release the Demonstration mode.
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Troubleshooting Guide