MXD50
INSTALLATION/OWNERS MANUAL
AM/FM/CD Marine Receiver
MARINE
MXD50 INSTALLATION
Preparation
Please read entire manual before installation.
Before You Start
• Disconnect negative battery terminal. (consult a qualified technician for instructions)
• Avoid installing the unit where it would be subject to high temperatures, such as
from direct sunlight, or where it would be subject to dust, dirt or excessive
vibration.
Getting Started
• Remove 2 transit screws located on
top of the unit.
• Insert the supplied keys into the
slots as shown, and slide the unit
out of the mounting sleeve.
• Install mounting sleeve into
opening, bending tabs to secure.
• Connect wiring harness and
antenna. (consult a qualified
technician if you are unsure).
• Test for correct operation and slide
into mounting sleeve to secure.
TYPICAL MOUNTING METHOD
2
MXD50 INSTALLATION
Wiring Diagram
Antenna Connector
YELLOW Auxiliary Input
RCA Cable
(sold separately)
GREY Rear Preamp Output
Connect to amplifier RCA Input
BLUE Remote Turn-On
Connect to amplifier or power
antenna. Insulate wire if not used.
AMP
BLACK Ground
Connect to
chassis ground.
RED Accessory
Connect to existing ignition
circuit or switched 12 volt source.
FUSE
YELLOW Memory
Connect to battery
circuit or constant 12 volt source.
Right Front
Right Rear
Gray/Black (-)
Gray (+)
Violet/Black (-)
Violet (+)
Left Front
Left Rear
White/Black (-)
White (+)
Green/Black (-)
Green (+)
When replacing a fuse,
make sure new fuse is the
correct type and amperage.
Using an incorrect fuse
could damage the radio.
The MXD50 uses one
10 amp ATO fuse located
below the wiring connector.
3
MXD50 OPERATION
Control Locations
1
22
4
2
3
21 20
4
19
18
17
16
15
14
13
12
5
6
7
11
10
9
1
Power
12
Mono/Stereo
2
Volume
13
EQ
3
Audio
14
Preset 6
4
Mode
15
Preset 5
5
Band/Loud
16
Preset 4/CD Shuffle
6
Tune/Track Up
17
Preset 3/CD Repeat
7
Eject
18
Preset 2/CD Scan
8
Tune/Track Down
19
Preset 1/CD Pause
9
Auto Store/Preset Scan
20
Tuner Scan
10
Display
21
Reset
11
Local/Distance
22
Mute
8
MXD50 OPERATION
General Operation
Power On/Off
Press PWR or any other button (except eject) to turn the unit
on. Inserting a CD will turn the unit on automatically. Press
PWR to turn the unit off.
Mode
Press MODE to select between tuner, CD player and auxiliary
input. Modes of operation are indicated in the display.
Loudness
Volume
Press and hold LOUD for more than 2 seconds to activate
and deactivate the loudness contour curve. Activating this
feature will enhance the bass and treble frequencies when
listening to music at low volumes.
Adjust volume using VOL ▲ or VOL ▼ (00-100).
Mute
Press MUTE to silence the audio. Press any button to cancel.
Preset EQ Curves
Press EQ to select between FLAT, CLASSICS, POP, ROCK and
DSP OFF (default) equalization curves. FLAT indicates no
audio enhancement. Any adjustment to the Bass or Treble
settings automatically cancels the current EQ curve.
Display
Set the Clock
Press DISP to display the clock. The radio frequency (tuner
mode) or CD track/elapsed time (CD player mode) show by
default.
With the unit on, press DISP to display the clock, then
release. Press and hold DISP until the clock begins to flash,
then release. Press TUNE
to adjust the hours and
TUNE
to adjust the minutes. Press DISP momentarily
to save the selected time.
5
MXD50 OPERATION
General Operation
6
Reset
Press and hold for more than 2 seconds to RESET the unit
upon initial installation, when selecting between
US/European frequency spacing or if abnormal operation
occurs.
Audio
Press AUDIO to select between Volume (default), Bass,
Treble, Balance & Fader.
Bass
Press AUDIO until BAS appears
Press VOLUME ▲ or ▼ to adjust
(+10 maximum / -10 minimum)
Treble
Press AUDIO until TRB appears
Press VOLUME ▲ or ▼ to adjust
(+10 maximum / -10 minimum)
Balance
Press AUDIO until BAL appears
Press VOLUME ▼ (LEFT) or ▲ (RIGHT) to adjust
(BAL 10L/BAL 10R) L=R represents equal balance.
Fader
Press AUDIO until FAD appears
Press VOLUME ▼ (FRONT) or ▲ (REAR) to adjust
(FAD 10F/FAD 10R) F=R represents equal balance.
MXD50 OPERATION
Tuner Operation
Seek Tuning
Press TUNE
strong station.
or
momentarily to seek the next
Manual Tuning
Press TUNE
or
for more than 2 seconds, then
release. "MANUAL" will momentarily appear in the display.
Press TUNE
or
momentarily to move radio
frequency up or down one step at a time. Press and hold to
advance quickly. If tuning is not adjusted for 5 seconds, the
unit will return to seek tuning mode (default). "AUTO" will
momentarily appear in the display.
Scan Tuning
Press SCAN to preview strong stations on the current band,
pausing for 5 seconds at each. Press SCAN again to cancel.
FM Mono/Stereo
Press MONO during FM tuner operation to select mono or
stereo (default) reception of the broadcast signal.
Local/Distance
Press LOC to activate local tuning for strong station reception only. Press LOC again to cancel and resume Distance
tuning (default).
Band
Frequency Spacing
Press BAND to select between FM1, FM2, FM3 and AM
bands.
A switch on the bottom of the chassis selects between
US/European FREQUENCY SPACING. After changing the
switch position, press RESET to activate the change.
Storing and Recalling Station
Presets
Up to 18 FM stations and 6 AM stations can be stored. To
store a station, select the desired band and station. Press
and hold the desired preset button for more than 2 seconds.
When stored, the preset number will appear in the display.
The station can be recalled anytime by pressing the
corresponding preset button.
Automatically Store Stations
Press AS/PS for more than 2 seconds to automatically store
the six strongest stations in the current band.
Preset Scan
Press AS/PS for less than 2 seconds to scan presets 1-6 on
the current band, pausing for 5 seconds at each. Press
AS/PS again to cancel.
7
MXD50 OPERATION
CD Player Operation
Insert CD
With the label facing up, insert a standard 5" CD into the CD
slot. The CD will automatically begin playback.
Eject CD
Press the EJECT button to stop and eject the CD. The unit
will change to previous mode of operation (tuner or auxiliary
input). If the disc is not removed within 10 seconds, the unit
will reload the disc.
Track Select
Fast Forward and Reverse
Pause
Scan
Press and hold TRACK
or reverse a track.
or TRACK
to fast forward
Press PAUSE to temporarily stop CD playback.
Press PAUSE again to resume playback.
Press SCN to play the first 10 seconds of each track.
Press SCN, RPT or SHF to cancel.
Repeat
Press RPT to continuously repeat selected track.
Press RPT, SHF or SCN to cancel.
Shuffle
Press SHF to play all tracks in random order.
Press SHF, SCN or RPT to cancel.
CD-R Compatibility
8
Press TRACK
to skip to the beginning of the next track.
Press TRACK
to return to the beginning of the current
track. Pressing TRACK
again skips to the beginning of
the previous track.
Some CD-Rs may be incompatible with this unit, depending
on media type and recording method. This model does not
support CD-RWs.
MXD50 WARRANTY
Limited One-Year Warranty
This warranty gives you specific legal rights.
You may also have other rights which vary from
state to state.
Namsung America Inc. warrants this product to
the original purchaser to be free from defects in
material and workmanship, under normal
conditions, for a period of one year from the date
of the original purchase.
Namsung America agrees, at our option, during
the warranty period, to repair any defect in
material or workmanship or to furnish an equal
new or renewed product in exchange without
charges, subject to verification of the defect or
malfunction and proof of the date of purchase.
During the One-Year Warranty Period: For One
Year from the date of purchase, your product will
be replaced with a new, renewed or comparable
product (whichever is deemed necessary) if it
becomes defective or inoperative. This is done
without charge to you. Replacement products
are warranted for the balance of the original
warranty period.
What to do? If the product requires warranty
service, you must prepay the initial shipping
charges. DUAL will pay the return shipping
charges if the product is returned to an address
within the USA.
Namsung America Inc.
Attn: Returns Center
21318 64th Ave. South
Kent, WA 98032 U.S.A.
Toll Free: 1-866-626-7863
Exclusion of Certain Damages: This warranty is
exclusive and in lieu of any and all other
warranties, expressed or implied, including
without limitation the implied warranties of
merchantability and fitness for a particular
purpose and any obligation, liability, right, claim
or remedy in contract or tort, whether or not
arising from the company’s negligence, actual or
imputed. No person or representative is
authorized to assume for the company any other
liability in connection with the sale of this
product. In no event shall the company be liable
for indirect, incidental or consequential
damages.
Who is covered? This warranty is extended to
the original retail purchaser for products
purchased and used in the U.S.A., in the 48
contiguous states ONLY.
What is covered? This warranty covers all
defects in material and workmanship in this
product. The following are not covered:
installation/removal costs, damage resulting
from accident, misuse, abuse, neglect, product
modification, improper installation, incorrect line
voltage, unauthorized repair or failure to follow
instructions supplied with the product, or
damage occurring during return shipment of the
product.
9
MXD50 OPERATION
Specifications
CD Player
Signal-to-noise: >86dB
Frequency response: 20Hz-20kHz, ±3dB
Channel separation @ 1kHz: >65dB
D/A converter: 1 Bit
FM Tuner
Tuning range: 87.5MHz-107.9MHz
FM mono sensitivity: 12dBf
50dB quieting sensitivity (stereo): 16dBf
Stereo separation @ 1kHz: 40dB
Frequency response: 30Hz-13kHz, ±3dB
AM Tuner
Tuning range: 530kHz-1710kHz
AM sensitivity: 30uV
Frequency response: 80Hz-2kHz, ±3dB
General
Total system power: 180 Watts Peak
Power output: 45Wx4 @ 14.4 VDC
Power supply: 11-16 VDC, negative ground
Speaker output impedance: 4 ohms
Fuse: 10 amp fast blow ATO
Dimensions: 7" x 7" x 2" (178 x 178 x 51 mm)
Specifications subject to change without notice
10
MXD50 OPERATION
Troubleshooting
Problem
Cause
Yellow wire not connected or incorrect voltage
Red wire not connected or incorrect voltage
Black wire not connected
Fuse blown
Speaker wires not connected
Unit has power
(but no sound)
One or more speaker wires touching each
other or touching chassis ground
Yellow or red wire touching chassis ground
Unit blows fuses
Speaker wires touching chassis ground
Incorrect fuse rating
Unit is not mounted correctly or backstrap is
Excessive skipping
not secure
Physical defect in media (CD or CD-R)
Error 1 appears on display Mechanism error
Error 2 appears on display Servo error
Unit will not turn on
(no power)
Action
Check connections for proper voltage
(11~16VDC)
Check connection to ground
Replace fuse
Check connections at speakers
Insulate all bare speaker wires from
each other and chassis ground
Check for pinched wire
Check for pinched wire
Use fuse with correct rating
Check mounting sleeve and backstrap
support
Check media for scratches
Press eject or RESET
Press eject or RESET
11
Namsung America Inc.
21318 64th Ave. South
Kent, WA 98032
Toll Free: 1-866-626-7863
©2003 Namsung America, Inc.
EVOK0603-V01