Kenwood KDC-507 EN - Manual (Page 35)

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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.
? 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 OFF. 10
✔ The ignition and battery wire are incorrectly connected. 11
☞ Connect the wire correctly, referring to the section on
.
? 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 OFF. 14
✔ The (page 27) is set is set on Rear preout.
☞ Change it to Non-fading preout.
? The TEL mute function does not work. 15
✔ The TEL mute wire is not connected properly.
☞ Connect the wire correctly, referring to the section on
.
? The TEL mute function turns ON even though the TEL mute wire is
not connected.
16
✔ 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.
17
✔ 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.
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
☞ Turn up the Volume offset, referring to the section on
control> (page 9).
? 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.
? There’s no Front High Pass Filter and Rear High Pass Filter effect. 31
✔ The Non-fading preout is being used.
☞ There’s no effect in Non-fading preout.
? 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.
? Even though Synchronize Clock is ON, the clock can’t be adjusted. 35
✔ The received RDS station isn’t sending time data.
☞ Receive another RDS station.
? 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 the temperature is different than the temperature
when the setting was done.
☞ The display color condition changes subtly according.to the
ambient temperature.
Troubleshooting Guide
KDC-M6024G_U.S r4 02.11.8 9:23 AM Page 35