Kenwood eXcelon KDC-X789 - Manual (Page 13)

English | 13
Troubleshooting Guide
What might appear 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.
? The HD Radio mode cannot be selected.
✔ The connection wire is not connected.
☞ Use the connection wire to connect the control
unit and the HD Radio tuner.
? Nothing happens when the buttons are pressed.
✔ The computer chip in the unit is not functioning
normally.
☞ Press the reset button on the Control/Controller
unit.
?
No sound can be heard, or the volume is low.
✔ The input/output wires or wiring harness are
connected incorrectly.
☞ Reconnect the input/output wires and/or the
wiring harness correctly. See the section on
.
✔ The preset broadcast station is not transmitting in
the mode that was set with .
☞ Please set to "Auto".
✔ It switches between the Digital broadcasting and
Analog broadcasting too often.
☞ If the receiving condition is bad,
Mode> should be set to "Analog".
✔ In digital AM broadcasting, receive mode switches
between stereo and monaural too often.
☞ Receiving condition is bad or unstable. Stereo is
chosen when receiving condition is good, and
it switches to monaural when the condition
becomes bad.
✔ The source mode was changed or the power switch
was turned on.
☞ The monaural signals are received several
seconds after power-on or after FM tuning to an
HD Radio station.
?
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 .
?
The tuner cannot be used by the Dual Zone
System.
✔ The HD Radio source cannot be selected by the Dual
Zone System.
☞ An internal source other than Tuner can be
selected.
The messages shown below display your
systems condition.
Linking: Although the Sub channel was selected, it is
under reading or has not been received.
HD# Off/ #CH Off/ OFF:
• The Sub channel, which cannot be used,
was selected.
• is set to "Analog";
therefore, the channel cannot be used.
➪ Set (page 4/ 9) to
"Auto" or "Digital".
⁄
• In HD Radio mode, the display of Station Name or Song
title should be set up. The channel information cannot be
displayed in the Frequency display. (page 6/ 9)