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DPX308U
Troubleshooting Guide
Some functions of this unit may be disabled by
some settings made on this unit.
! • Cannot set up the subwoofer.
• Cannot set up the low pass filter.
• No output from the subwoofer.
▲
• “SUBWOOFER SET” of <Audio Control> (page 32) is
not set to On.
• “LPF SUBWOOFER” of <Audio Control> (page 32) is
set to “THROUGH”.
• Preout is not set to subwoofer. “SWITCH PREOUT”
of <Initial Settings> (page 28).
! Cannot set up Display.
▲
<Demonstration mode Setting> (page 29) is not
turned off.
! The number of songs contained in “SONGS”
category of this unit is different from that
contained in “SONGS” category of iPod.
▲
Podcast files are not counted in this unit as this unit
does not support the playback of podcast files.
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 operation check sound (beep sound) does not
sound.
The preout jack is being used.
The Touch Sensor Tone cannot be output from
the preout jack.
Tuner source
? Radio reception is poor.
The car antenna is not extended.
Connect the Antenna control wire to the power
terminal for the booster amplifier of the film-type
or short pole type antenna
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, referring to the CD cleaning of the
section on <Handling discs> (page 4).
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 discs> (page 4).
The recording condition is bad.
Record the media again or use another media.
