Jensen Mobile MPR420 Mechless Receiver User Manual
- June 13, 2024
- Jensen Mobile
Table of Contents
MPR420
INSTALLATION/OWNER’S MANUAL
AM/FM Receiver with Bluetooth
MPR420 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 trim ring from 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.
- Certain vehicles may require an installation kit and/or wiring harness adapter (sold separately).
- Test for correct operation and slide into mounting sleeve to secure.
- Snap trim ring into place.
Using the existing brackets from the factory stereo or the brackets supplied with the installation kit, mount the brackets to the sides of the head unit with the screws supplied with the head unit.
Wiring Diagram
Control Locations
1 .Preset 1 / Play/Pause
2. Preset 2 / Intro
3. Preset 3 / Repeat
4. Power / Mute
5. Mode
6 .Tune / Track Down
7. Tune / Track Up
8. Voice Activation Button
9. Microphone
10. Volume Knob| 11.Reset
12.Bluetooth Talk
13. Auxiliary Input
14. USB Port
15. Band
16. Display
17. Preset 6 / Folder Up
18 . Preset 5 / Folder Down
19. Preset 4 / Random
---|---
General Operation
Power On/Off| Press again button to turn the unit on. Press the turn
the unit off.
---|---
Changing Modes| Press MODE to select between Radio, USB, Auxiliary Input and
Bluetooth. Modes of operation are shown in the display.
Volume| Adjust volume using the volume knob (00-40).
Mute| Press to silence the audio. Press again to resume listening at the
previously selected volume.
Auxiliary Inputs| Insert a 3.5mm cable in the unit’s front AUX port.
Reset| Press the RESET button to reset the unit back to the factory settings
if abnormal operation occurs. The reset button is located on the front panel.
Setting the Clock| With the unit on, press DISP to display clock time. Press
and hold DISP until the hours begins to flash, then release.
Turn the volume knob to adjust the hours, then press the DISP, the minutes
begins to flash, Turn the volume knob to
adjust the minutes. Press DISP momentarily to save the selected time.
Display| Press DISP to toggle display between various displayed information.
Press the volume knob momentarily to select between audio functions.
Audio / Menu| Press and hold the volume knob for more than two seconds to
select between the menu functions.
Rotate the volume knob left/right to adjust or activate the desired
function/audio.
AM/FM Tuner Operation
Seek Tuning| Press TUNE or TUNE to seek to the previous or next strong
station.
---|---
Manual Tuning| Press and hold TUNE or TUNE ll to enter manual tuning mode,
then press TUNE or TUNE momentarily to change radio frequency up or down one
step at a time. Press and hold TUNE to advance quickly. or TUNE
Band| Press BAND to select between FM1, FM2, FM3, AM1 and AM2 bands. Up to six
presets can be programmed for each band, enabling up to 18 FM stations and 12
AM stations to be stored in memory.
Storing Presets| Up to 18 FM and 12 AM stations can be stored. To store a
station, select the desired band and station. Press and hold the desired
preset button (1-6) for more than two seconds. When stored, the preset number
will appear in the display.
Recalling Presets| Preset stations can be recalled any time by pressing the
corresponding preset button.
Automatically Store| Press and hold AS/PS for more than 2 seconds to store 18
FM stations and 12 AM stations automatically.
Preset Scan Stations| Press AS/PS to recall each preset staion that stored in
the memories in each band.
USB Operation
Playing MP3 Files| To play MP3 files, insert a USB device containing MP3
files.
---|---
Track Select| Press TUNE to skip to the beginning of the next track.
Press TUNE to skip to the beginning of the previous track.
Fast Forward and Reverse| to fast forward or reverse a track.
Press and hold TUNE or TUNE
Pause| Press to temporarily stop USB playback.
Press again to resume playback.
Folder Access| Folders can be found by pressing Folder Up or Folder Down.
About one second after the folder name is displayed, the first file under the
selected folder will be displayed and playback will begin.
Repeat| Press RPT to toggle between RPT ALL and RPT ONE.
• RPT ALL – Plays all tracks on USB device.
• RPT ONE – Continuously repeats selected track.
Random| Press RDM to play tracks in random order; press again to cancel the
RDM function.
Intro| Press INT to play the first 10 seconds of each track; press again to
cancel the INT function.
Bluetooth Operation
Preparation| Before using a Bluetooth device, it must be paired and connected.
Ensure that Bluetooth is activated on your device before beginning the pairing
process.
---|---
Pairing a New Device| The head unit broadcasts the pairing signal constantly
when no devices are connected. Complete the pairing sequence from your
Bluetooth device. Refer to the owner’s manual for your device for more
details.
The device name is “JENSEN MEDIA PLAYER”.
The Bluetooth passcode is “1234”.
Note: The head unit can be in any mode of operation when pairing is performed.
Streaming Audio Troubleshooting| The head unit supports A2DP wireless
streaming audio
from a Bluetooth mobile device directly to your head unit.
The following functions can be used to control the music:
• Press to skip to the next available audio track.
• Press to skip to the previous audio track.
• Press to toggle between play and pause during playback.
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 for
a period of one year from the date of the original purchase. Namsung America
Inc. agrees, at our option. during the warranty period. to repair any defect
in material or workmanship or to furnish an equal new, renewed or comparable
product (whichever is deemed necessary) in exchange without charges. subject
to verification of the defect or malfunction and proof of the date of
purchase. Subsequent replacement products are warranted for the balance of the
original warranty period. Who is covered? This warranty is extended to the
original retail purchaser for products purchased from an authorized Jensen
dealer and used in the U.S.A.
What is covered? This warranty covers all defects in material and workmanship
in this product. The following are not covered: software. 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. Specific license conditions
and copyright notices for the software can be found via
www.jensenmobile.com.
What to dont?#
- Before you call for service, check the troubleshooting guide in your owner’s manual. A slight adjustment of any custom controls may save you a service call.
- If you require service during the warranty period, you must carefully pack the product (preferably in the original package) and ship it by prepaid transportation with a copy of the original receipt from the retailer to an authorized service center.
- Please describe your problem in writing and include your name, a return UPS shipping address (P.O. Box not acceptable). and a daytime phone number with your shipment.
- For more information and for the location of the nearest authorized service center please contact us by one of the following methods:
• Call us toll-free at 888-921-4088
• E-mail us at [email protected]
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.
Troubleshooting
| Problem | Cause | Action |
|---|---|---|
| Unit will not turn on (no power) | Yellow wire not connected or incorrect | |
| voltage Red wire not connected or incorrect voltage | Check connections for |
proper voltage (11-16VDC)
Black wire not connected| Check connection to ground
Fuse blown| Replace fuse
Unit has power (but no sound)| Speaker wires not connected| Check connections
at speakers
One or more speaker wires touching each other or touching chassis ground|
Insulate all bare speaker wires from each other and chassis ground
Unit blows fuses| Yellow or red wire touching chassis ground| Check for
pinched wire
Speaker wires touching chassis ground| Check for pinched wire
Incorrect fuse rating| Use fuse with correct rating
NO FILE appears on display| No playable MP3 files found on the device| Check
the device for valid MP3 files
NO SUPPORT appears on display| An invalid ID3 tag version is present| Version
1.0 to 2.0 ID3 tags are supported.
Specifications
FM Tuner| Tuning range: 87.5MHz-107.9MHz
Usable sensitivity: 8.5dBf
50dB quieting sensitivity: 10dBf
Stereo separation @ 1kHz: >30dB
Frequency response: 30Hz-13kHz
---|---
AM Tuner| Tuning range: 530kHz-1710kHz
Usable sensitivity: <42dBu
Frequency response: 30Hz-2.2kHz
General| Speaker output impedance: 4~8 ohms
Line output voltage: 2 Volts RMS
Dimensions: 7″ x 7″ x 4″ (178 x 178 x 100 mm)
Design and specifications subject to change without notice.
CEA-2006 Power Standard Specifications
(reference: 14.4VDC +/- 0.2V, 20Hz~20kHz)
Power Output: 16 Watts RMS x 4 channels at 4 ohms and < 1% THD+N
Signal to Noise Ratio: 75dBA (reference: 1 watt into 4 ohms)
FCC Compliance
This device complies with Part 15 of the FCC Rules. Operation is subject to
the following two conditions:
(1) this device may not cause harmful interference, and (2) this device must
accept any interference received, including interference that may cause
undesired operation.
Warning: Changes or modifications to this unit not expressly approved by
the party responsible for compliance could void the user’s authority to
operate the equipment.
Note: This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules. These
limits are designed to provide reasonable protection against harmful
interference in a residential installation. This
equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful
interference to radio communications. However, there is no guarantee that
interference will not occur in a
particular installation. If this equipment does cause harmful interference to
radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:
- Reorient or relocate the receiving antenna.
- Increase the separation between the equipment and receiver.
- Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
- Consult the dealer or an experienced radio/TV technician for help.
Dual Electronics Corp.
Toll Free: 888-921-4088
www.jensenmobile.com
©2021 Dual Electronics Corp. All rights reserved.
The Bluetooth ® word mark and logos are owned by the Bluetooth SIG, Inc.
Other trademarks and trade names are those of their respective owners.
NSA0821-V01