Kenwood KDC X493 Instruction Manual - Page 44

Troubleshooting Guide

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Page 44 highlights

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. ▲ • of (page 4) is not set to On. ! • Cannot register a security code. • Cannot set up Display. ▲ (page 19) is not turned off. 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 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. ☞ 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 (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 (page 3). ✔ The recording condition is bad. ☞ Record the media again or use another media. 44 | KDC-BT742U/ KDC-X493/ KDC-MP442U Hands-free ? 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. "MENU" > "MIC GAIN" and "NR LEVEL" (page6). ? 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 "MENU" > "CALL BEEP" of (page 6) is set 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 uttering 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. The messages shown below display your systems condition. TOC ERROR: • No disc has been loaded in the disc magazine. • The CD is quite dirty. The CD is upsidedown. The CD is scratched a lot. ERROR 05: The disc is unreadable. ERROR77: The unit is malfunctioning for some reason. ➪ Press the reset button on the unit. If the "ERROR77" code does not disappear, consult your nearest service center. ERROR99: Something is wrong with the disc magazine. Or the unit is malfunctioning for some reason. ➪ Check the disc magazine. And then press the reset button on the unit. If the "ERROR 99" code does not disappear, consult your nearest service center. IN (Blink): The CD player section is not operating properly. ➪ Reinsert the CD. If the CD cannot be ejected or the display continues to flash even when the CD has been properly reinserted, please switch off the power and consult your nearest service center.

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KDC-BT742U/ KDC-X493/ KDC-MP442U
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 output> of <Basic Operation> (page 4)
is not set to On.
!
•
Cannot register a security code.
•
Cannot set up Display.
▲
<Demonstration mode Setting> (page 19) is not
turned off.
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 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.
☞
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
?
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.
“MENU” > “MIC GAIN” and “NR LEVEL” <Function
Control> (page6).
?
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 “MENU” > “CALL BEEP” of <Function Control>
(page 6) is set 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 uttering 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.
The messages shown below display your
systems condition.
TOC ERROR:
•
No disc has been loaded in the disc
magazine.
•
The CD is quite dirty. The CD is upside-
down. The CD is scratched a lot.
ERROR 05:
The disc is unreadable.
ERROR
77:
The unit is malfunctioning for some reason.
➪
Press the reset button on the unit. If the
“ERROR
77” code does not disappear,
consult your nearest service center.
ERROR
99:
Something is wrong with the disc magazine.
Or the unit is malfunctioning for some reason.
➪
Check the disc magazine. And then press
the reset button on the unit. If the “ERROR
99” code does not disappear, consult your
nearest service center.
IN (Blink):
The CD player section is not operating
properly.
➪
Reinsert the CD. If the CD cannot be
ejected or the display continues to flash
even when the CD has been properly
reinserted, please switch off the power
and consult your nearest service center.