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Troubleshooting Guide
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 rat-
ing.
?
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 con-
nected.
☞
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
?
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 con-
nected 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 sec-
tion on 'Audio Control' (page 8).
?
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.
Tuner source
?
Radio reception is poor.
✔
The car antenna is not extended.
☞
Pull the antenna out all the way.
✔
The antenna control wire is not connected.
☞
Connect the wire correctly, referring to the
section on 'Connecting Wires to Terminals'.
?
The desired frequency can’t be entered with the
Direct Access Tuning.
✔
A station that can’t be received is being entered.
☞
Enter a station that can be received.
✔
You’re trying to enter a frequency with a 0.01 MHz
unit.
☞
What can be designated in the FM band is to
0.1 MHz.
Disc source
?
"AUX1" is displayed without achieving External
disc control mode.
✔
Unsupported disc changer is connected.
☞
Use the disc changer mentioned in the 'About
CD players/disc changers connected to this
unit' (page 4) of the section on ‘Safety precau-
tions' .
?
The specified disc does not play, but another one
plays instead.
✔
The specified CD is quite dirty.
☞
Clean the CD.
✔
The disc is loaded in a different slot from that
specified.
☞
Eject the disc magazine and check the
number for the specified disc.
✔
The disc is severely scratched.
☞
Try another disc instead.
?
A CD ejects as soon as it is loaded.
✔
The CD is quite dirty.
☞
Clean the CD, referring to the CD cleaning of
the section on 'About CDs' (page 6)
?
Can’t remove disc.
✔
The cause is that more than 10 minutes has
elapsed since the vehicle ACC switch was turned
OFF.
☞
The disc can only be removed within 10 min-
utes of the ACC switch being turned OFF. If
more than 10 minutes has elapsed, turn the
ACC switch ON again and press the Eject but-
ton.
?
The disc won’t insert.
✔
There’s already another disc inserted.
☞
Press the [
0
] button and remove the disc.
?
Direct Search can’t be done.
✔
Another function is ON.
☞
Turn Random Play or other functions OFF.
KDC-5026̲M̲2697̲U.S̲r2.Indd 27
03.10.8, 10:19:31 AM
