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Troubleshooting Guide
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29
Some functions of this unit may be disabled by
some settings made on this unit.
! Cannot switch to Aux source.
▲
AUX is not turned on. ☞ <Built-in Auxiliary input
Setting> (page 22)
! Cannot display the user of System Q.
▲
<Audio Control> (page 8) is not set.
! • Cannot set up the subwoofer.
• No output from the subwoofer.
• Cannot set up the low pass filter.
▲
• Preout is not set to subwoofer. ☞ <Switching
preout> (page 20)
• <Subwoofer Output> (page 9) is not set to On.
! • Cannot register a security code.
• Cannot set up Display.
▲
<Demonstration mode Setting> (page 22) is not
turned off.
! Cannot play audio files.
▲
<CD Read Setting> (page 22) is set to "2".
! The Traffic Information setting is ineffective.
▲
HD Radio is in use.
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 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.
Disc source
? 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.
Audio file source
? The sound skips when an Audio file is being
played.
✔ The media is scratched or dirty.
☞ Clean the media, referring to the CD cleaning of
the section on <Handling CDs> (page 5).
✔ The recording condition is bad.
☞ Record the media again or use another media.
HD Radio source
? No sound can be heard, or the volume is low.
✔ The preset broadcast station is not transmitting in
the mode that was set with <Receive mode Setting>
(page 21).
☞ Please set <Receive mode Setting> to "AUTO".
✔ 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.
✔ HD Radio tuner is connected to KCA-S220A or other
units.
☞ Connect the HD Radio tuner directly to this unit.