Kenwood eXcelon KDC-X991 User Manual

English
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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.
? Switching between negative and positive display
modes takes place automatically.
✔ Switching between negative and positive display
modes takes place automatically to maintain the
initial brightness of the display for a long period of
time.
☞ You can select "Display N/P: POSI" as mentioned
in <Display-reversing Setting> (page 48).
Tuner source
? Radio reception is poor.
✔ The car antenna is not extended.
☞ Pull the antenna out all the way.
✔ The antenna control wire is not connected.
☞ Connect the wire correctly, referring to the
section on <Connecting Wires to Terminals>.
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.
? Cannot remove disc.
✔ Downloading picture.
☞ Eject is disabled while downloading picture.
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 6).
✔ The audio file is broken or not supported.
☞ Damaged and unsupported files are skipped.
✔ 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 50).
☞ 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.
USB device source
? The USB device is not detected.
✔ The USB connector is disconnected.
☞ Connect the connector of the USB device
properly.
? The USB device does not play its audio files.
✔ The USB connector is disconnected.
☞ Connect the connector of the USB device
properly.
? Cannot USB remove mode.
✔ Downloading picture.
☞ USB remove mode is disabled while
downloading picture.
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Kenwood eXcelon KDC-X991 Specifications

FM Tuner Section

frequency range	87.9 MHz – 107.9 MHz
usable sensitivity	9.3 dBf (0.8 μV/75 Ω)
quieting sensitivity	15.2 dBf (1.6 μV/75 Ω)
frequency response	30 Hz – 15 kHz
signal to noise ratio (MONO)	70 dB
selectivity	≥ 80 dB
stereo separation	40 dB

AM Tuner Section

frequency range	530 kHz – 1700 kHz
usable sensitivity	28 dBμ (25 μV)

CD Player Section

spindle speed	1000 – 400 rpm (CLV 2times)
frequency response	10 Hz – 20 kHz
total harmonic distortion	0.008 %
signal to noise ratio	110 dB
dynamic range	93 dB

USB Interface

usb standard	USB 1.1/ 2.0
maximum supply current	500 mA
file system	FAT16/ 32

Audio Section

maximum output power	50 W x 4
full bandwidth power	22 W x 4
speaker impedance	4 – 8 Ω
tone action band 1	60 – 200 Hz ±9 dB
tone action band 2	250 – 1k Hz ±9 dB
tone action band 3	1.25k – 4k Hz ±9 dB
tone action band 4	5k – 16k Hz ±9 dB
preout level / load	5000 mV/10 kΩ
preout impedance	≤ 80 Ω

Auxiliary Input

frequency response	20 Hz – 20 kHz
input maximum voltage	1200 mV
input impedance	100 kΩ

General

operating voltage	14.4 V
current consumption	10 A
installation size	182 x 53 x 155 mm
weight	3.31 lbs (1.5 kg)