— 29 —
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 wire is incorrectly connected.11
☞Check the wire connection.
?There’s no loudness effect.12
✔You’re using Non-fading preout.
☞Loudness has no effect in Non-fading preout.
?The Non-fading (Sub woofer) output can’t be turned ON or OFF.14
✔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.
?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 values of Volume offset are low.24
☞Turn up the Volume offset, referring to the section on <Audio
control> (page 10).
?Non-fading (Sub woofer) output, Non-fading Low Pass Filter and
Non-fading setting can’t be done.28
✔The <Switching preout> (page 25) is set on Rear preout.
☞Set it on Non-fading preout.
✔The <Non-fading (Sub woofer) output> (page 11) is OFF.29
☞Turn it ON.
?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.
?The Dimmer function doesn’t work. 38-1
✔The wire isn’t connected correctly.
☞Check the 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-MPV622H3_U.S 03.7.1 2:20 PM Page 29