— 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
