Troubleshooting guide – Kenwood KDC-X459 User Manual
Page 32
English
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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.
✔ No ACC position on vehicle ignition.
02
☞ Connect the same wire to the ignition as the battery wire.
?
Nothing happens when the buttons are pressed.
04
✔ The computer chip in the unit is not functioning normally.
☞ Press the reset button on the unit (page 5).
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There’s a source you can’t switch.
06
✔ There’s no CD inserted.
☞ Set the media you want to listen to. If there’s no media in this
unit, you can't swhich 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 OFF.
10
✔ The battery wire has not been connected to the proper terminal.
☞ Connect the wire correctly, referring to the section on
✔ The ignition and battery wire are incorrectly connected.
11
☞ Connect the wire correctly, referring to the section on
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There’s no loudness effect.
12
✔ You’re using Non-fading preout.
☞ Loudness has no effect in Non-fading preout.
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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
☞ Set it ON.
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No sound can be heard, or the volume is low.
✔ The fader or balance settings are set all the way to one side.
21
☞ Center the fader and balance settings.
✔ The input/output wires or wiring harness are connected incorrectly.
22
☞ Reconnect the input/output wires or the wiring harness correctly.
See the section on
✔ The values of Volume offset are low.
24
☞ Increase the values of Volume offset. (page 10)
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The sound quality is poor or 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.
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The Security Code item isn’t displayed in the Menu System.
32
✔ The Security Code function is already activated.
☞ When the Security Code function is activated it isn’t displayed in
the menu items.
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The Touch Sensor Tone doesn’t sound.
34
✔ The preout jack is being used.
☞ The Touch Sensor Tone can’t be output from the preout jack.
?
The Dimmer function doesn’t work.
38-1
✔ The Dimmer wire isn’t connected correctly.
☞ Check the Dimmer wire connection.
?
The display color changes subtly.
38-2
✔ This is because thetemperature is different than the temperature
when the setting was done.
☞ The display color condition changes subtly according.to the
ambient temperature.
Troubleshooting Guide
KDC-MPV7019(K)_U.S r2 01.11.22 11:57 AM Page 32