JBR550
AM/FM/CD AUDIO SYSTEM with PA
Installation and Operation Manual
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JBR550
SYSTEM FEATURES
Features of the Jensen JBR550 mobile audio system include:
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AM/FM Tuner with 30 Presets (12 AM, 18 FM)
Single In-Dash CD Player
Public Announcement (PA) Feature with Optional Microphone (sold separately)
Mute
Electronic Bass, Treble, Balance and Fader Controls
Clock
Content List
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Jensen Main Chassis
Hardware Kit
Wiring Harnesses (4-pin and 9-pin)
Installation Manual
Hardware Kit
1 AMP
FLANGE NUTS
10 AMP
MOUNTING STRAP
DIN SLEEVE
REMOVAL TOOL
MOUNTING SCREW
MOUNTING BUSHING
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JBR550
SAFETY INFORMATION
When Driving
Disc Maintenance
Keep the volume level Iow enough to be aware of the road and traffic conditions.
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A dirty or defective disc may cause sound dropouts while playing. Before playing, wipe
the disc using a clean cloth, working from the center hole towards the outside edge.
Never use benzene, thinners, cleaning fluids, anti-static liquids or any other solvent.
When Washing your Vehicle
Do not expose the product to water or excessive moisture. Moisture can cause electrical
shorts, fire or other damage.
When Parked
Parking in direct sunlight can produce very high temperatures inside your vehicle. Give the
interior a chance to cool down before starting playback.
Use the Proper Power Supply
This product is designed to operate with a 12 volt DC negative ground battery system.
Protect the Disc Mechanism
Insert label
side up.
Do not bend.
Wipe clean from
the center to the
edge.
Never touch
the under side
of the disc.
Avoid inserting any foreign objects into the disc slot. Misuse may cause malfunction or
permanent damage due to the precise mechanism of this unit.
CAUTION:
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Be sure to use only round CDs for this unit and do not use any special shape CDs. Use of
special shape CDs may cause the unit to malfunction.
Do not stick paper or tape on the disc. Do not use CDs with labels or stickers attached or
that have sticky residue from removed stickers.
THIS MOBILE CD PLAYER IS A CLASS I LASER PRODUCT. THIS UNIT USES A VISIBLE/
INVISIBLE LASER BEAM WHICH COULD CAUSE HAZARDOUS RADIATION IF EXPOSED
DIRECTLY. BE SURE TO OPERATE THE MOBILE CD PLAYER AS INSTRUCTED.
USE OF CONTROLS OR ADJUSTMENTS, OR PERFORMANCE OR PROCEDURES
OTHER THAN THOSE SPECIFIED HEREIN MAY RESULT IN HAZARDOUS RADIATION
EXPOSURE.
Do not expose discs to direct sunlight or heat sources.
NOTE: A disc may become scratched (although not enough to make it unusable)
depending on how you handle it and other conditions in the usage environment. These
scratches are not an indication of a problem with the player.
DO NOT OPEN COVERS AND DO NOT REPAIR BY YOURSELF. PLEASE REFER
SERVICING TO A QUALIFIED TECHNICIAN.
WARNING:
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TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK, DO NOT EXPOSE THIS
EQUIPMENT TO RAIN OR MOISTURE.
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TO REDUCE THE RISK OF FIRE OR ELECTRIC SHOCK AND ANNOYING
INTERFERENCE, USE ONLY THE RECOMMENDED ACCESSORIES.
DISC NOTES
Depending on the recording status, conditions of the disc, and the equipment used for
recording, some CD-Rs/CD-RWs may not play on this unit. For more reliable playback, please
adhere to the following recommendations:
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Use CD-RWs with speed 1x to 4x and write with speed 1x to 2x.
Use CD-Rs with speed 1x to 8x and write with speed 1x to 2x.
Do not play a CD-RW which has been written more than 5 times.
NOTE: CD-R and CD-RW discs will not play unless the recording session is closed and
the CD is finalized.
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JBR550
INSTALLATION
to a secure part of the dashboard, either above or below the radio using the screw and
flange nut provided. Bend the strap to position it as necessary.
Before You Begin
1. Disconnect Battery
Before you begin, always disconnect the battery negative terminal.
2. Remove Transport Screws
CAUTION: The rear of the radio must be supported with either the perforated strap or
the rubber mounting bushing to prevent damage to the dashboard from the weight of
the radio or improper operation due to vibration.
Important Notes
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Before final installation, test the wiring connections to make sure the unit is connected
properly and the system works.
Use only the parts included with the unit to ensure proper installation. The use of
unauthorized parts can cause malfunctions.
Consult with your nearest dealer if installation requires the drilling of holes or other
modifications to your vehicle.
Install the unit where it does not interfere with driving and cannot injure passengers if
there is a sudden or emergency stop.
If the installation angle exceeds 30º from horizontal, the unit may not give optimum
performance.
Avoid installing the unit where it will be subject to high temperatures from direct sunlight,
hot air, or from a heater, or where it would be subject to excessive dust, dirt or vibration.
PERFORATED SUPPORT STRAP
SECURE THIS END TO
REAR OF RADIO
DIN MOUNTING SLEEVE
LOCKING TABS
REAR SUPPORT SCREW
SECURE THIS END TO
SUB-DASH STRUCTURE
REMOVAL KEYS
DIN Radio Installation
MOUNTING SURFACE OPENING
NOTE: IF OPENING DOES NOT EXIST,
USE MOUNTING SLEEVE AS A TEMPLATE
This unit is designed for installation in vehicle cabs with an existing 1-DIN radio opening. In
many cases, a special installation kit will be required to mount the radio to the dashboard.
These kits are available at electronics supply stores and car stereo specialty shops. Always
check the kit application before purchasing to make sure the kit works with your vehicle.
IN
T
AND CUT OPENING. FILE EDGES TO FIT
IF NECESSARY. DO NOT OVER FILE.
Universal Installation (Using Mounting Sleeve)
1. Slide the mounting sleeve off of the chassis. If it is locked into position, use the removal
Kit Installation
1. If your radio requires the use of an installation kit to mount this radio, follow the instruc-
tions included in the kit to attach the radio to the mounting plate supplied with the kit.
2. Wire and test the radio as described.
3. Install the radio/mounting plate assembly to the sub-dash according to the instructions of
the installation kit.
keys (supplied) to disengage it.
2. Check the dashboard opening size by sliding the mounting sleeve into it. If the opening is
not large enough, carefully cut or file as necessary until the sleeve slides easily into the
opening. Do not force the sleeve into the opening or cause it to bend or bow. Check that
there will be sufficient space behind the dashboard for the radio chassis. Connect wires
prior to actually installing the sleeve. Pigtail wiring should take place after hole size is
confirmed. Mount sleeve after wiring.
4. Attach the support strap to the radio and dashboard as described above.
5. Replace the dashboard trim panel.
3. Follow the wiring diagram carefully and make certain all connections of the wiring harness
are properly secured and insulated to insure proper operation of this unit. After completing
the wiring connections, turn the unit on to confirm operation (ignition switch must be “on”).
If unit does not operate, recheck all wiring until the problem is corrected. Once proper
operation is achieved, turn off ignition switch and proceed with final mounting of the
chassis.
4. Locate the series of bend tabs along the top, bottom, and sides of the mounting sleeve.
With the sleeve fully inserted into the dash opening, bend tabs outward so that the sleeve
is firmly secured to the dashboard.
MOUNTING TAB DETAILS
CUTAWAY VIEW OF
TOP TAB BEND
SIDE VIEW
MOUNTING SURFACE
UPWARD 90°
MOUNTING
SURFACE
MOUNTING
SLEEVE
5. Carefully slide the radio into the mounting sleeve making sure it is right side up until it is
fully seated and the spring clips lock it into place.
6. Attach one end of the perforated mounting strap (supplied) to the screw stud on the rear
of the chassis using the flange nut provided. Fasten the other end of the perforated strap
BEND TABS
BOTTOM TAB
BEND DOWNWARD 90°
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JBR550
Wiring Diagram
VIEW E
PA-MIC INPUT
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JBR550
Reconnecting the Battery
When wiring is complete, reconnect the battery negative terminal.
Removing the Unit
To remove the radio after installation, insert the removal keys straight back until they click, and
then pull the radio out. If removal keys are inserted at an angle, they will not lock properly to
release the unit.
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JBR550
BASIC OPERATION
NOTE: CD mode will be skipped if no CD is inserted.
Reset
Use a ball point pen or thin metal object to press the RESET button (11). The reset button
should be activated for the following reasons:
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initial installation of the unit when all wiring is completed
function buttons do not operate
error symbol on the display
INT
PUSH POWER
Audio Menu
With the radio on, press the SEL button/rotary encoder (1) on the control panel to access the
audio menu. You can navigate through the audio menu items by pressing the SEL button
repeatedly. Once the desired menu item appears on the display, adjust that option by turning
the rotary encoder within 5 seconds. The unit will automatically exit the audio menu after five
seconds of inactivity. The following menu items can be adjusted.
Power On/Off
BASS Level
Press the rotary encoder POWER button (1) to turn the unit on. Press and hold to turn the unit
off. The unit will resume at the last mode selected (Tuner, Aux, etc.).
Use the rotary encoder to adjust the Bass level range from “-7” to “+7”.
TREBLE Level
Use the rotary encoder to adjust the Treble level range from “-7” to “+7”.
Balance (BAL)
Use the rotary encoder to adjust the Balance between the left and right speakers from “L15”
(full left) to “R15” (full right).
Fader (FAD)
Use the rotary encoder to adjust the Fader between the rear and front speakers from “R15” (full
rear) to “F15” (full front).
LOUD
Use the rotary encoder (1) to turn the LOUD feature “on” or “off”. “Off” is the default setting.
PUSH POWER
Auxiliary Input (LINE)
Volume Control
To access an auxiliary device:
1. Connect the portable audio player to the AUX IN input cables on the back of the radio.
2. Press the MODE button (2) to select LINE mode. “LINE” will appear on the display.
3. Press MODE again to cancel LINE mode and go to the next mode.
To increase the volume, turn the rotary encoder (1) to the right. To decrease the volume, turn
the rotary encoder to the left. While adjusting the volume, the LCD displays a numerical
representation of the level. The maximum volume setting is “63”.
PA Operation (microphone sold separately)
Mute
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Connect the PA Microphone with a 4-PIN connector to the 4-PIN socket on the rear of the
Press the MUTE button (12) on the control panel to mute the audio output. Press MUTE again
unit.
to restore the audio output to the previous level.
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The unit will automatically switch to PA mode when the Mic switch is pushed “ON”.
The PA output level can be adjusted using the rotary volume encoder (1).
With radio power off, the radio will wake up when PA mic is keyed to make an
announcement. Please note that it will take a few seconds before the radio “wakes up”
and PA is active. Radio will return to the off state when the PA mic is released.
Mode
Press the MODE button (2) on the control panel to select a different mode of operation, as
indicated on the display panel. Available modes include Tuner (AM/FM), CD, and LINE
(optional Auxiliary Input).
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JBR550
Liquid Crystal Display (LCD)
The current frequency and activated functions are shown on the LCD panel.
NOTE: LCD panels may take longer to respond when subjected to cold temperatures for
an extended period of time. In addition, the visibility of the numbers on the LCD may
decrease slightly. The LCD display will return to normal when the temperature increases
to a normal range.
Time/Frequency Display Selector (T/F)
Displaying the Clock
Press the T/F button (10) to display the time of the incorporated quartz clock for 5 seconds.
Setting the Clock
1. To set the clock, first turn the vehicle ignition and radio on.
2. Press and hold the T/F button (10).
3. Press the TUNE/TRK |<< and >>| buttons (4) to adjust the hours. “AM” or “PM” will
appear on the display to indicate AM or PM.
4. Press the T/F button again to move the cursor to the minutes position, and then use the
TUNE/TRK |<< and >>| buttons to adjust the minutes.
5. After five seconds, normal operation will resume.
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JBR550
TUNER OPERATION
Select a Band
Automatically Store / Preset Scan (A/PS)
Press the BND button (3) to change between three FM bands and two AM bands.
Automatically Store
Select an AM or FM band. Press and hold the A/PS button (5) for more than 2 seconds to
automatically select six strong stations and store them in the current band. The new stations
replace any stations already stored in that band. This feature is most useful when traveling in a
new area where you are not familiar with the local stations.
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During FM operation, when the station is broadcasting in stereo, the stereo icon (
appears on the display.
During AM operation, no indications are displayed.
)
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Manual Tuning
Press the TUNE/TRK >>| or |<< buttons (4) to manually step tune to the next or previous
frequency.
Preset Scan
Select a band. Press A/PS (5) to scan stations stored in the current band. The unit will pause
for 5 seconds at each preset station. Press A/PS again to stop scanning when the desired
station is reached.
Auto Seek Tuning
Press and hold the TUNE/TRK >>| or |<< buttons (4) to automatically seek the next strong
station.
Preset Stations
Six numbered preset buttons store and recall stations for each band.
Store a Station
Select a band (if needed), then select a station. Press and hold a preset button (6) for two
seconds. The preset number will appear on the LCD.
Recall a Station
Select a band (if needed). Press a preset button (6) to select the corresponding stored station.
INT
PUSH POWER
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JBR550
CD PLAYER OPERATION
Inserting and Ejecting a Disc
Controlling Disc Playback
Insert a disc, label-side up, into the disc slot (7). The unit will automatically draw the disc in and
play the first track on the disc, whether the power was turned on or not.
Selecting Tracks
Press the TUNE/TRK >>| or |<< button (4) to advance to the next track on the disc. The
selected track number will appear on the display.
Press the eject
operation.
button (9) to stop disc play and eject the disc. The unit will revert to radio
Fast Forward/Fast Reverse
Press and hold the TUNE/TRK >>| or |<< button (4) to fast forward or fast reverse through the
disc. Disc play starts when the button is released.
If an ejected disc is not removed within 10 seconds, it will automatically be reloaded to prevent
damage to the CD (CD-IN icon appears on the display panel).
Play/Pause Disc Playback
Press the 1/>|| button (13) to pause disc play. The display will flash while paused. Press the
1/>|| button again to resume disc Play.
Previewing Tracks (Intro)
Press the 2/INT button (14) to play the first 10 seconds of each track sequentially. Press 2/INT
again to stop Intro Scan and resume normal play at the current track.
Repeat Play
INT
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Press the 3/RPT button (8) during disc play to repeat play the current track.
Press 3/RPT again to stop repeat play.
Random Play
PUSH POWER
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Press the 4/RDM button (15) during disc play to play all tracks in random, shuffled order.
Press 4/RDM again to stop random play.
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JBR550
CARE AND MAINTENANCE
TROUBLESHOOTING
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Keep the product dry. If it does get wet, wipe it dry immediately. Liquids might contain
minerals that can corrode the electronic circuits.
Symptom
Cause
Solution
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Keep the product away from dust and dirt, which can cause premature wear of parts.
Handle the product gently and carefully. Dropping it can damage circuit boards and
cases, and can cause the product to work improperly.
Wipe the product with a dampened cloth occasionally to keep it looking new. Do not use
harsh chemicals, cleaning solvents, or strong detergents to clean the product.
Use and store the product only in normal temperature environments. High temperature
can shorten the life of electronic devices, damage batteries, and distort or melt plastic
parts.
No power
The vehicle’s accessory
switch is not on
If the power supply is properly
connected to the vehicle’s acces-
sory terminal, switch the ignition
key to “ACC”.
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The fuse is blown
Replace the fuse.
Disc cannot be loaded or Presence of CD disc inside Remove the disc in the player and
ejected
the player
insert the new one.
Inserting the disc in reverse Insert the compact disc with the
Ignition
direction
label facing upward.
The most common source of noise in reception is the ignition system. This is a result of the
radio being placed too close to the ignition system (engine). This type of noise can be easily
detected because it will vary in intensity of pitch with the speed of the engine.
Compact disc is extremely
dirty or disc is defective
Clean the disc or try to play a new
one.
Condensation
Leave the player off for an hour or
so, then try again.
Usually, the ignition noise can be suppressed considerably by using a radio suppression type
high voltage ignition wire and suppressor resistor in the ignition system. (Most vehicles employ
this wire and resistor but it may be necessary to check them for correct operation.) Another
method of suppression is the use of additional noise suppressors. These can be obtained from
most professional mobile electronics retailers.
No sound
Volume is too low
Adjust volume to audible level.
Check wiring connections.
Wiring is not properly con-
nected.
The operation keys do
not work
Control panel not properly
installed
Reinstall control panel.
Interference
Radio reception in a moving environment is very different from reception in a stationary
environment (home). It is very important to understand the difference.
The built-in microcomputer
is not operating properly
due to noise
Press the RESET button.
AM reception will deteriorate when passing under a bridge or when passing under high voltage
lines. Although AM is subject to environmental noise, it has the ability to be received at great
distance. This is because broadcasting signals follow the curvature of the earth and are
reflected back by the upper atmosphere.
Sound skips
The installation angle is
more than 30 degrees.
Adjust the installation angle to
less than 30 degrees.
The disc is dirty or defec-
tive.
Clean the disc and try to play
again or use new disc.
Cannot tune to radio sta- The antenna cable is not
Insert the antenna cable firmly.
tion, auto-seek does not
work
connected.
The signals are too weak.
Select a station manually.
10
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JBR550
SPECIFICATIONS
CD
Signal to Noise Ratio. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . > 55 dB
Channel Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .: More than 50 dB
Frequency Response . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : 20 Hz - 20 kHz
FM Radio
Frequency Coverage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87.5 to 107.9 MHz
Sensitivity (S/N=30dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4µV
Image Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >45 dB
Stereo Separation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . >25 dB
AM/MW
Frequency Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 530-1710 kHz
Sensitivity (S/N=20dB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36 dB
General
Operating Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .DC 12 Volts
Grounding System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Negative Ground
Speaker Impedance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8 ohms per channel
Tone Controls:
Bass (at 100 Hz) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : ±10 dB
Treble (at 10 kHz). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : ±10dB
Power Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40W x 4
Current Drain. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Amp (max.)
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183mm (W) x 158mm (D) x 58mm (H)
11
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