RPD 552
High-Power FM/AM/CD Receiver with Detachable Face
Autoradio AM/FM à Lecteur CD de Forte Puissance et à Face Amovible
Receptor FM/AM/Reproductor de CD de Alta Potencia y con Panel Extraíble
Rádio FM/AM/CD de Alta Potência
com Face Removível
CD
PWR
DISP
210
FM
TS
RPD 552
AM
LD/SENS
RPT
MIX
D
AU
L
VO
Robert Bosch Corporation
Sales Group —
Blaupunkt Division
2800 South 25th Avenue,
Broadview, Illinois 60155
FCC WARNING
Precautions
Handling the Front Panel
This equipment has been tested and found to comply with the
limits for a Class B 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 in-
structions, may cause harmful interference with radio commu-
nications. However, there is no guarantee that radio interfer-
ence will not occur in particular installation. If this equipment
does cause harmful interference to radio or television recep-
tion, which can be determined by turning the equipment off and
on, the user is encouraged to consult the dealer or an experi-
enced radio/TV technician for help.
• Carefully read this manual before using the unit. If you en-
counter any problems that are not covered in this manual,
please consult the dealer where you purchased the unit or
the dealer nearest to you.
• Avoid installing the unit where it would be subject to high tem-
peratures, such as in direct sunlight or a hot air stream from
the heater, or where it would be subject to dust, dirt, or exces-
sive vibration.
• Do not turn on the unit if the temperature inside the car is
very high. Always cool down the unit before usage. Parking
your car in direct sunlight will result in a temperature rise.
• If the unit does not turn on, check the connections first. Then
check whether the fuse at the back of the unit is blown.
• This unit has been designed specifically for playback of com-
Attaching the Front Panel
Place the right hand side of the front panel so that the parts A
of the front panel are engaged with the parts B of the unit as
shown below. Then push the left hand side of the front panel
until it is securely locked.
Detaching the Front Panel
Remove the CD from the unit, if any, and turn off the power of
the unit.
Press the
REL
to unlock the front panel from the unit. Grasp
You are cautioned that any changes or modifications not ex-
pressly approved in this manual could void your authority to
operate this equipment.
the front panel as shown below and remove it from the unit.
pact discs bearing the
mark. Other discs cannot be
played.
• Do not use non-conventional discs such as heart-shaped,
octagonal discs, etc. The player could be dameged.
Features
Handling Compact Discs
• Detachable front panel
• Built-in power amplifier
(max. output : 52.5W × 4ch)
• Be careful when removing a compact disc after the playback
is completed because the disc may be extremely hot.
• Do not expose compact discs to direct sunlight or any direct
heat source.
• Check all compact discs before playing, and discard cracked,
scratched or warped discs.
• Wipe dirty or damp discs outward from the center with a soft
cloth.
• Do not use any solvent such as commercially available clean-
ers, antistatic spray, or thinner to clean the compact discs.
Security
• Digital 12-hour quartz clock
• FM/AM PLL synthesizer tuner
• 30 Station preset memory
• Auto Store / Scan tuning
• 2-ch preamp output
To avoid theft or loss of the front panel, you can deactivate the
REL
release button
by installing the locking screw provided.
1. Unscrew the bolt marked at the left front side of the unit.
*
(See diagram above)
2. Attach the front panel.
3. Select a locking screw from the mounting hardware (See
page 6) and screw it into the same hole to fasten the front
panel.
Notes
• Do not press hard on the front panel when affixing it to the
unit. No more than light to moderate pressure should be
needed.
• Make sure there is no dust or dirt on the electrical terminals
on the back of the front panel as this could cause intermitent
operation or other malfunctions.
E-1
Identification of Controls
RPD 552
210
CD
FM
AM
PWR
VOL
TS
AUD
MIX
RPT
LD/SENS DISP
1
2
REL button
Releases the detachable front panel.
CD insertion slot
Insert the CD here.
LCD Display window
PWR button
Turns the power of the unit on. Mute on/off during power on.
Press for more than 2 seconds to turn off.
Eject button
Ejects the CD.
CD button
Switches the CD playback mode.
FM button
Selects the FM Band & FM Travel store.
AM button
11 PRESET MEMORY button
During radio reception :
1
6/
-
;
For Preset memory
During CD mode :
3
4
4/MIX
;
For Mix play
For Repeat play
For Pause
5/RPT
6/
;
;
5
6
7
8
9
12 AUD button
Audio control selector; Bass, Treble, Balance, Fader & Mute level.
Mute level is selectable.
13
14
/
button
Used to tune in to the desired station.
Adjusts the bass/treble/balance.
/
button
Selects the AM Band & AM Travel store.
DISP button
Display selector. Clock adjustment.
Scan/Preset scan tuning. Scan play in CD mode.
Adjusts the bass/treble/fader.
15 VOL + / – button
10 LD/SENS button
Adjusts the volume and mute level.
Mute is adjustable from 0 to -80.
Switches the reception sensitivity between local and distance.
Loudness on/off.
E-2
General Operations
Power On/Off
Volume Level Control
Adjusting the Sound Characteristics
VOL
/
Press the
to adjust the volume level.
AUD
1. Press the
to select the desired adjustment mode.
Turning on the power
: Volume up
: Volume down.
BASS ➜ TREBLE ➜ BALANCE & FADER ➜ Mute level
PWR
Press the
to turn on the unit.
2. Press the following buttons to adjust the selected item. Make
Turning off the power
You can check the volume level visually with the indicators in
the display window.
the adjustment within 5 seconds after selecting. After 5
seconds, the display window will revert to previous indica-
tion.
PWR
Press the
for more than 2 seconds.
Volume level meter
Adjustment Range
Setting the Clock
BASS
/
/
BASS -7 BASS 7
TREB -7 TREB 7
/
/
The clock uses a 12-hour display system.
TREBLE
BALANCE
FADER
L 9 (Full left)
F 9 (Full front) R 9 (Full rear)
(-80) (-0)
R 9 (Full right)
1. Turn the ignition key to the ON position.
Muting the Sound
PWR
2. Press the
3. Press the
to turn on the unit.
MUTE LEVEL
PWR
Briefly press
while the receiver is on.
DISP
and hold 2 seconds to start.
While muting the sound, the MUTE indicator
is blinking.
To restore the previous volume level, press
on the display
again.
You can check the each level visually with the indicators in the
Use the following buttons to set the clock. (The blinking
section can be adjusted.)
display window.
PWR
Center level mark
/
: Adjust the Hour and minute
: To activate Hour blink
: To activate Minute blink
Loudness Effect
DISP
4. Press the
to activate the clock.
When listening to music at low volume levels, this feature will
boost the extremes of the bass and treble ranges to compen-
sate for the negative characteristics of human hearing.
Ignition-off Clock Call
The display will illuminate showing the time and then automati-
LD/SENS
BALANCE
FADER
Press the
.
cally shut off after 5 seconds.
The “LD” indicator appears in the display window.
Pressing this button again will cancel this feature.
DISP
Briefly press the
while the ignition switch is in the “ OFF ”
position to activate.
Display Selector
DISP
Each time the
is pressed, the display window will change
as shown below;
• Radio mode
Frequency and Clock.
• CD mode
Elapsed track time and clock.
E-3
Radio Reception
Preset Scan Tuning
Receiving the Memorized Stations
Seek Tuning
AM
FM
AM
FM
1. Press the
2. Press the
or
to select the desired radio band.
1. Press the
2. Press the
or
to select the desired radio band.
AM
FM
1. Press the
or
to select the desired band.
1
6/
FM I ➜ FM II ➜ FM III
.
-
momentarily.
or
The unit will scan preset memory for the 12 stations from
the AM I/AM II band or the 18 stations from the FM I or FM
II and FM III bands. The unit will stop at each preset sta-
tion for 8 seconds, before continuing to the next preset sta-
tion.
AM I ➜ AM II
Local/Distant (LO/DX) Selection
2. Press the
or
to tune in stations. Seek tuning auto-
matically stops at a broadcasted frequency.
When tuning to FM stereo broadcasting stations, the
This feature is used to select the strength of the signals at which
the radio will stop during Seek Tuning.
Press the
again to stop Preset Scan Tuning and re-
“
” stereo indicator will light up in the display window.
main this on the selected frequency.
LD/SENS
Press the
for more than 2 seconds to select the Local
setting and only the strongest (local) stations will be received.
The “lo” indicator appears in the display window.
Pressing again for 2 seconds will select the Distant setting and
the radio will stop at a wider range of signals, including weaker
more distant stations. The “lo” indicator will go out on the dis-
play window.
Manual Tuning
Memorizing Stations Automatically (Travel Store)
AM
FM
1. Press the
2. Press the
or
or
to select the desired band.
AM
FM
1. Press the
2. Hold the
or
to select the desired band.
and hold for more than 0.5 second
AM
FM
or
pressed for longer than 2 seconds.
to activate the manual tuning mode. Press again to tune in
to stations.
Up to 6 stations with strong signals will be automatically
stored in preset memory for the selected band.
The “Distant” setting is the recommended default mode of re-
ception.
After 4 seconds duration of completing Manual Tuning, the
tuning control will revert to the Seek Tuning mode.
Note
This function is available for FM III and AM II.
Scan Tuning
Memorizing Only the Desired Stations
AM
FM
1. Press the
2. Press the
or
to select the desired radio band.
A total of 30 stations (18 for the FM I, FM II and FM III, 12 for
AM I and AM II) can be stored in preset memory.
.
The unit will scan the selected radio band for stations.
AM
FM
1. Press the
2. Press the
or
or
to select the desired radio band.
Press the
again to stop Scan Tuning and remain on
this selected frequency.
to tune in stations.
1
3. Press and hold the desired preset memory button
-
Tips
6/
for about 2 seconds until the frequency indicator
When tuned in to broadcasting stations, the antenna indicator
flashes twice.
on the display window is lit.
The number of the pressed preset memory button appears
on the display window.
Note
If/when you store another station on the same preset number
button, the previously stored station is replaced with new one.
E-4
CD Operations
Playing the CD player
Listening to a disc that is already loaded
Scan Play
Press the
CD
Press the
to select the CD mode.
during CD mode.
Playback begins automatically.
The ‘‘SCAN’’ indicator appears in the display window. This will
play the first 10 seconds of all the tracks on the disc.
Loading Discs
Insert the disc into the CD insertion slot with the labeled side
facing up.
Pausing Playback
Press the
again to cancel this feature.
6/
Press the
.
‘‘
’’ indicator will light up in the display window and play-
6/
To resume playback, press the
again.
back begins automatically.
Repeat Play
Stopping Playback
5/RPT
Press the
during CD mode.
AM
FM
Press the
or
to select the radio reception.
The ‘‘RPT’’ indicator appears in the display window and the cur-
Labeled side up
rent track is played repeatedly.
Ejecting Discs
5/RPT
Press the
again to cancel this feature.
Press the
to eject the disc.
Note
MIX Play
Press the
The unit will turn-on automatically when a CD is inserted if the
ignition switch is ‘‘ON’’.
4/MIX
during CD mode.
I NEVER Insert 3-inch CD’s.
All the tracks on the current disc are played in random order.
Press the
4/MIX
This unit is designed for playback of standard 5-inch CD’s only.
Do not attempt to use 3-inch CD singles in this unit, either with
or without an adaptor, as damage to the player and/or disc may
occur.
again to cancel this feature.
Playing a CD in various modes
Track Search
Press the
in the display window.
or
during CD mode. Track numbers appear
Tip/FYI
During playback of a CD, the pie-shaped indicator
spins.
: Playback starts from the beginning of the next track.
: Playback starts from the beginning of the current track.
Press again to play the previous track.
Cue / Review
Press and hold the
or
during CD mode.
Release when you have found the desired point.
: To search forward.
: To search backward.
E-5
Installations
Mounting Example
Supplied Mounting Hardware
Bushing Use
*
Installation in the dashboard.
3. As shown in the figure below, securely fasten the screw,
which has been inserted into the bushing, at the rear of the
unit.
1. Install the sleeve in the dashboard.
Removal trim ring
(Supplied)
Sleeve
Bushing, Locking Mounting Strap Release
Screw Screw and Screws Keys
Fire wall
Precautions
• Be sure to remove/detach the front panel before you start
installing the unit.
• Choose the mounting location carefully so that the unit will
not interfere with the normal driving operations of the driver.
• Use only the supplied mounting hardware for a safe and se-
cure installation.
2. Select and bend the appropriate tabs to hold the sleeve
firmly in place.
• Handle the sleeve carefully to avoid injuring your fingers.
• When mounting the unit in a car, keep the unit as level as
possible. If the unit must be mounted at an angle, due to the
design of the vehicle, make sure that the unit does not tilt
upward by more than 30°.
The distance to the fire wall varies due to the
type of the car. Be sure to secure the unit by
properly inserting the bushing.
Mounting Strap Use
*
Caution
Insufficient fastening of the screw may cause
some CD’s to skip.
3. Attaching the Mounting Strap to the underside of the dash
board, using screw.
Attach the back of the unit to the Mounting Strap using the
support stem bolt and hardware.
* Warning
Failure to properly install the Mounting Strap or rear support
Bushing is a major cause of CD skipping. Without these secur-
ing devices, the chassis of the CD receiver is able to move up &
down whenever the road has imperfections and CD skipping
results.
Fire wall
Removal trim ring
(Supplied)
Note
Some Japanese/Asian vehicles such as TOYOTA & NISSAN do
not require use of the sleeve and trim ring assembly.
To secure the replacement radio use the O.E.M. brackets and
mounting screws. These brackets will align with the threaded
screw holes found on each side of the new radio.
E-6
Connections
Warning
Connection procedure
• To prevent short circuit, remove the key from the ignition and
disconnect the battery’s (-) terminal.
ANTENNA SOCKET
ANTENNA PLUG
• This unit is designed for negative ground 12 V DC operation
only. You can not use it for 24 V or other types of car batter-
ies.
In the case of a 2-speaker system,
tape the ends of unconnected
terminals to prevent short circuit
4-speaker System
2-speaker System
Connection procedure
Caution
(White)
(White)
Front Left
Speaker
Left
(White/Black)
(White/Black)
Speaker
(Gray)
(Gray)
Front Right
Speaker
Right
Speaker
(Gray/Black)
(Gray/Black)
• DO NOT connect any speaker wires to the metal body or chas-
sis of the vehicle.
• DO NOT connect the speaker common (-) wires to each other.
• Connect each speaker wire directly to each speaker termi-
nal.
(Green)
(Green)
Rear Left
Speaker
Do Not
(Green/Black)
(Green/Black)
Connect
(Violet
(Violet
Rear Right
Speaker
Do Not
Connect
(Violet/Black)
(Violet/Black)
• All speaker common (-) wires must remain floating.
i.e. No Common Connections or connections to vehicle grd
+12V Constant Power Supply (Yellow)
+12V Accessory/Switched (Red)
Ground Wire (Black)
.
• Connect each pair of speaker leads only to a single speaker
(or speaker system) that has an impedance of least 4 ohms,
as well as 50-watt power-handling capability.
• Do not connect speaker leads to any inputs on external am-
plifiers. This will cause damage to the internal amplifier of this
unit.
Power Antenna/Amplifier Turn On (Blue)
Preamp Out/Line Out Connections
1
2
Make sure the car’s ignition key has been removed.
Disconnect the negative (-) terminal of the car’s bat-
tery.
• Since this unit has Line Level Outputs, you can use an amplifier to upgrade your vehicle stereo system.
3
Connect the wiring harness wires in the following
order : Ground wire (Black), +12V Constant Power
Supply (Yellow), +12V Accessory/Switched (Red) and
Power Antenna/Amplifier Turn On (Blue), and tape each
so they do not come in contact with each other.
Connect the speaker wires of the wiring harness.
RCA Line-out Jacks
White (Left)
Red (Right)
External Amplifier
4
5
Connect the car’s antenna terminal to the antenna
socket of the unit.
Rear Speaker
6
7
Connect the detachable wire harness to the unit.
Reconnect the negative (-) terminal of the car’s bat-
tery.
RCA Line-out Jacks (For Rear Speakers)
• Connect a patch cable (not supplied) from the White (left rear channel) and Red (right rear channel) RCAline output jacks of the
unit to the line input terminals of the external amplifier.
8
9
Start the car’s engine.
Make sure the unit operates properly.
E-7
Maintenance
Removing the Unit
Replacing the Fuse
Use the supplied release keys when you need to remove the
unit from the car.
Insert them into the unit as shown below. This will unlock the
unit from the sleeve, allowing for removal of the unit.
If the fuse is blown, check the power connection first and then
replace the fuse. If the fuse blows again under normal condi-
tions, the unit may be defective.
Back of the unit
Notes
Warning
• Handle the release keys carefully to avoid injuring your fin-
gers.
• Keep the release keys in a safe place for future use.
Use only a fuse with the specified amperage (10 A).
Use of another type of fuse can result in a fire or unit damage.
Cleaning the Connectors
If the connectors of the unit and the front panel are contami-
nated, malfunctions may occur.
Detach the front panel and clean the connectors with an alco-
hol dampened cotton swab as shown below.
Main unit
Back of the front panel
Returning to the Initial Settings
When the reset button is pressed, the microcomputer of the
unit returns to the initial settings. If the display window is not
properly shown or the unit malfunctions, press the reset button
with the point of a sharp object such as a ball-point pen.
Reset button
E-8
Troubleshooting Guide
Specifications
The following check will assist in the correction of most prob-
lems which you may encounter with your unit. Before going
through the check list below, refer back to the connection and
operating procedures.
CD Player Troubleshooting
GENERAL
Dimensions
:
:
Approx. 178 mm × 50 mm × 155 mm
(W × H × D)
12 volts DC car battery
(negative ground)
52.5 watts × 4 channels
Floating-ground type designed for 2 or
4 speaker use.
RCA low-level outputs (2 channels).
Compatible with 4-8 ohm speakers.
2V.
When problems occur with CD playback, an error message
appears in the display window.
Refer to the table below to identify the problem, then take the
suggested corrective action. If the error persists, contact your
nearest Blaupunkt dealer.
Power requirements
General
Trouble
Output Power
Output Wiring
:
:
Cause/Solution
• Memorized stations and cor- Leads are not matched
Message Possible cause
Recommended action
rect time are erased.
correctly with the car’s ac-
E-01
E-02
E-03
Dirty disc.
Scratched disc.
Up-side-down.
Clean the disc.
Replace the disc.
Check the disc.
Output Impedance
Low - Level Output
:
:
• The fuse has blown.
cessory power connector.
• Radio works when the ignition Check wiring for short cir-
key is in the ON, ACC and OFF cuits.
positions.
Focus error.
Try ejecting and re-insert-
ing under normal tem-
perature conditions.
TUNER
Tuning Range
• No power is being supplied to The car doesn’t have an
:
AM
FM
:
:
530 - 1, 710 kHz
(10 kHz step)
87.5 - 107.9 MHz
(200 kHz step)
20 µV
the unit.
ACC position.
• The power is continuously sup-
plied to the unit.
Data and focus error.
Under normal tempera-
ture conditions, eject and
insert clean, undamaged
disc properly.
Sensitivity
:
:
AM
FM
:
:
1.5 µV
Radio reception
Trouble
FM
E-04
Mechanical problem.
Eject and re-insert.
Cause/Solution
Stereo Separation
30 dB
Preset stations are not re-
ceivable.
The broadcast signal is too weak.
CD PLAYER
Frequency
Response
S/N Ratio
Seek tuning is not possible.
The broadcast signal is too weak.
→ Use manual tuning.
:
:
:
20 - 20,000 Hz
98 dB
Below the measurable limit
Travel Store feature does
not complete storing of six
stations
Not enough broadcast frequen-
cies are receivable.
Wow & Flutter
Also make sure that antenna is connected, extended and dry
inside.
If the above mentioned solutions do not help to improve the
situation, consult your nearest Blaupunkt dealer or in the United
States call 1-800-266-2528 for technical assistance, parts and
service. Call 1-800-950-2528 for dealer referral or to request
product brochure.
E-9
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