Troubleshooting guide, General, Tuner source – Kenwood KDC-5047U User Manual

Page 36: Disc source, Audio file source

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KDC-BT50U/ KDC-5047U/ KMR-440U

Troubleshooting Guide

Some functions of this unit may be disabled by
some settings made on this unit.

!

• Cannot set up Display.

47

Demo Mode

of

<Function setting> (page 16)

is not

set to Off.

!

• Cannot set up the subwoofer.

• Cannot set up the low pass filter.

• No output from the subwoofer.

“SubWoofer” of

<Audio Control> (page 7)

is not set to

On.

!

Cannot set up the subwoofer Phase.

“LPF SubWoofer ADJ” of

<Audio Control> (page 7)

is

set to “Through”.

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 Key beep does not sound

The preout jack is being used.

The Key beep 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 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.

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.

Protect (Blink): The speaker wire has a short-circuit or

touches the chassis of the vehicle, and then
the protection function is activated.

Wire or insulate the speaker cable properly

and press the reset button. If the “Protect”
code does not disappear, consult your
nearest service center.

Unsupported File:

An Audio file is played with a format that this
unit can’t support.

Copy Protection:

A copy-protected file is played.

Read Error:

The file system of the connected USB device
is broken.

Copy the files and folders for the USB

device again. If the error message is still
displayed, initialize the USB device or use
other USB devices.

No Device:

The USB device is selected as a source
although no USB device is connected.

Change the source to any source other

than USB. Connect an USB device, and
change the source to USB again.

N/A Device:

• An unsupported USB device is connected.

• Connection to the iPod has failed.

Check that the connected iPod is an iPod

that is supported. See

<About Audio file>

(page 34)

for information on supported

iPods.

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