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KDC-BT645U/ KDC-HD545U
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 17) is
not set to ON.
!
Cannot set up the subwoofer phase.
▲
The Low Pass Filter is set to “THROUGH”.
☞
“LPF SUBWOOFER” of <Audio Control> (page 17).
!
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 miss operation or
miss wiring. 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 operation check sound cannot be output for
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, referring to the CD cleaning of the
section on <Handling CDs> (page 3).
✔
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 3).
✔
The recording condition is bad.
☞
Record the media again or use another media.
Hands-free phoning
?
The hands-free talk volume is low.
✔
The hands-free talk volume is set at a low level.
☞
The hands-free talk volume can be adjusted
independently. Adjust it during hands-free
talk.
“MIC GAIN”, “NR LEVEL” and “EC LEVEL” of
<Bluetooth Setup> (page 22).
?
No sound is heard from the rear speakers.
✔
You are talking in the hand-free talk mode.
☞
No sound is heard from the rear speakers in the
hands-free talk mode.
?
No beep is heard at reception of an incoming call.
✔
No beep is heard depending on the type of your
cell-phone.
☞
The “CALL BEEP” of <Bluetooth Setup> (page 22) is
set to ON.
?
Voice is not recognized.
✔
The vehicle window is open.
☞
If the surrounding noise is large, voice cannot be
recognized properly. Close the vehicle windows
to reduce noise.
✔
Small voice.
☞
If voice is too small, it cannot be recognized
properly. Speak into the microphone a little more
loudly and naturally.
✔
The person saying the voice tag is not the one who
registered the it.
☞
Only the voice of the person who registered the
voice tag can be recognized.
