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Blaupunkt MPA160 Car Audio, size: 1.3 MB
Blaupunkt MPA160 Install Guide
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M PA M U LT I - C H A N N E L P O W E R A M P L I F I E R
1 2/ CH L NE AN PO WE R AM PL IFI ER
2x 80 /1 xW 2 O HM AB ST LE
FU +1 2V
SP EA KE RS
2/1 Channel Mobile Audio Amplifier with 160 Watts Max. Power Amplificateur audio mobile de 160 watts de puissance maximum 2/1 canaux Amplificador Mvil de udio de 2/1 Canales con Potencia Mx. de 160 vatios Amplificador Mvel de udio de 2/1 Canais com Potncia Mx. de 160 Watts
BLAUPUNKT SPECIFICATIONS -
MPA160US, 2/1 CHANNEL AMPLIFIER
Below is a basic trouble-shooting guide to assist in seeking out and correcting a problem that may occur in the installation process. Although lengthy, this chart cannot address every single problem possible but mainly the ones most common. PARAMETER/FEATURE Channels Size ( W x H x D) Weight Crimping style speaker terminals? Maximum terminal wire size Subsonic filter Separate front/rear or left/right gains? Spade type auto fuses? Speaker short, short to +12V, and short to ground protection? High, low, and reverse voltage protection? Power output transistors Switching power supply transistors Minimum speaker impedance VALUE 2/1 (3 in passive bridged mode) 8.69 x 2.19 x 6.75 inches (220 x 56 x 170mm) 4.0 lbs (1.8 kg) YES 8 ga. YES (10 Hz) NO YES YES YES High current, bipolar outputs High-Speed, MOSFETs 2 ohms (non-bridged mode only) 4 ohms ONLY in bridge mode PERFORMANCE DATA Rated power output @ 0.1% THD 2 channels into 4 ohms / 2 ohms 1 channel into 4 ohms Total Harmonic Distortion @ rated full output Rated Signal/Noise ratio (averaged value) Measured @ full rated power Measured @ 1 watt / 1 kHz Damping factor Frequency response (full-range mode) High-pass crossover frequency limits Low-pass crossover frequency limits Input impedance Input signal voltage control range Current draw for undistorted output @ 14.4 VDC @ full undistorted output, non-bridged @ full undistorted output, bridged mode @ 33% of undistorted power (full music power) @ idle Minimum battery voltage to maintain rated power Usable battery voltage Trigger line voltage range Trigger line current draw Turn on delay time Thermal shutoff temperature (averaged heat-sink exterior temperature) 11.5 A (2 ch x 52 W x 4 ohms) 19.0 A (1 ch x 150 W x 4 ohms) 7.0 A (2 ch x 17 W x 4 ohms) 0.5 A 12.6 Volts DC 10 - 18 Volts DC 10 - 18 Volts DC < 15 mA draw @ 1.5 seconds 170F (80 C) 2 x 35 W / 2 x 50 W 1 x 90 W 0.06% THD > 90 dBA >- 50,000 Hz N/A 100 Hz -or- 75 Hz (switchable) 20 kOhms 0.3 - 4.0 Vrms VALUE
NOTE: DUE TO ONGOING PRODUCT IMPROVEMENTS, DESIGN AND SPECIFICATIONS ARE SUBJECT TO CHANGE WITHOUT ADVANCED NOTICE TO THE CONSUMER OR RETAILER.
Congratulations! You are the now the owner of an exceptional car audio amplifier from the audio enthusiasts at
Blaupunkt. Our engineering staff has spent considerable time refining our MPA series amplifiers in order to introduce great sound to the consumer at an affordable price. With these products we focus on sonic performance but balanced with rugged design and flexible installation. Not only do we offer you a great product but also a supportive owners manual. This manual can be used as a teaching guide due to its brief, but informative, explanations of amplifier and system design. We are also very concerned about the end consumer using proper installation techniques for the highest performance possible from their new audio products. MOST important to us are the concerns with safety and the installation process. Since our Blaupunkt retail dealers have the tools and experience for an optimized and safe installation, we always recommend they do the final vehicle integration. But, should you choose to install these products yourself, please take the time to read this manual completely and abide by all precautions.
An amplifier, by definition, is a device that receives a small audio signal on its input and reproduces it with larger voltages (or current) on its output. Ideally there should be no modifications of the signal other than to make the signal larger either in voltage or current levels. If there are changes in the signal character it is considered a "distortion" of the input signal and in most cases undesirable. With the added power of an amplifier you can play your system at higher volume levels without worrying about such distortions that actually can damage the speakers and your ears (assuming of course that the amplifier is NOT grossly over-driven). The perfect amplifier will be able to reproduce any output voltage regardless of input signal level. But, infinite output voltage is impossible due to upper limits created by the voltages found in a car, typically 12-15 volts DC. In order to achieve undistorted power levels beyond about 20 watts per channel a switching power supply MUST be used to step up the voltage "rails" inside an amplifier. Amplifiers are rated in "watts" of audio output power but there are often references to "rms" power and "MAX" power. Rms power is considered as "clean power" since it is undistorted power that is used for reproducing quality sound at all but the highest listening levels. "MAX" power is the most power the amp will produce when driven deep into distortion. MAX power is considered usable power only by the more "aggressive" listener since the original waveform is so distorted that it is uncomfortable to listen to for most people. Regardless of the consumer's listening habits, we dual list these power levels so everyone has an understanding of what they are purchasing.
Your new Blaupunkt MPA series amplifier, although a simple product, offers some important features. These include: s "Multi-Mode" operation allowing for combined stereo high-pass/bridged mono subwoofer low-pass output capability. s 2 ohm stability (in non-bridged mode) for paralleling two, 4 ohm speakers. s RCA inputs (low level) allowing for your typical aftermarket radio signal level outputs. s Modular inputs (high level) for tapping off of the speaker outputs of a factory radio for example to derive a subwoofer signal for an add-on subwoofer speaker system. s Internal low pass filters for easily deriving a subwoofer system without an add-on crossover that increases system complexity and the potential for noise. s Variable frequency low-pass and high-pass filters (on upper MPA models) for custom tailoring the crossover frequency choice for any vehicle. s Efficient heat-sink design to quickly wick away heat thus ensuring a life time of reliability. s Simple mounting system for ease of installation.
We always recommend you have your Blaupunkt amplifiers professionally installed but the installation process is often so easy that the average consumer can achieve success with little trouble. Regardless of the person installing, you should be sure to review the following points before proceeding with the installation:
READ THE MANUAL! Understanding the product and installation limitations before
lifting a screwdriver.
WEAR SAFETY GLASSES AT ALL TIMES - Flying debris are always dangerous. PROTECT THE VEHICLE - Always disconnect the negative battery cable before
starting any kind of installation work. This prevents a possible high current electrical short (potential fires). HEAT - Keep all audio components away from nearby hot vehicle components that heat up over time such as hoses, high current wires, and braking system components. GIVE YOURSELF LOTS OF TIME - Rushing to complete an installation nearly always ends up with problems. DO NOT LISTEN AT HIGH SOUND LEVELS FOR A PROLONGED TIME - these amplifiers, used with high efficiency speakers from ANY manufacturer, have the potential to cause permanent hearing loss after listening at maximum volume levels for several hours.
Before disassembling your beautiful new car you need some basic installation knowledge and skill with common hand and power tools. Following such basic installation tips and warnings will prevent possible damage to the vehicle and also prevent possible fires.
s s s s
AGAIN.READ THE MANUAL! There is a lot of helpful information in this manual that will save time and prevent problems later. COVER THE VEHICLE WORK AREAS - Use fender covers or blankets to protect the work areas from scratches or dings. DISCONNECT THE (-) LEAD ON THE BATTERY - No sparks or fires please! REVIEW THE INSTALLATION - Before using any tools or moving vehicle components, take five minutes to review the installation intentions (e.g., verify that an amplifier will fit in an area of a car before tearing out all the interior). REVIEW THE VEHICLE - Before drilling any holes or cutting into any surfaces, make sure there are no fuel or hydraulic lines behind the surfaces. Also make sure there are no wires routed directly behind or near the desired mounting area (remember.screws can often extend 1-2 inches behind the mounting surface). ENSURE PROPER FIT - Before cutting or drilling, make sure the amplifier will physically fit in its desired location. Check for clearance around rear deck torsion bars or other structural elements. EVERY CAR IS ASSEMBLED DIFFERENT - Every auto manufacturer uses different assembly techniques. Take care in removing/modifying all trim panels and mounting surfaces since they often use unique screws or snap fasteners that are difficult to replace if they are lost or broken. BE CAREFUL WITH CABLE ROUTING - When routing audio cables, make sure RCA and speaker wires are routed away from high current power lines for audio amplifiers and vehicle systems lines when possible. This will help prevent noises from creeping into the audio system, plus prevent potential damage to the vehicle wiring itself. BE CAREFUL WITH ALL CONNECTIONS - When making connections, make sure each connection is clean and properly secured. Observe all polarity markings carefully to ensure proper end performance. CAUTION - FUEL TANKS AND FUEL LINES ARE NOW LOCATED DIRECTLY BENEATH THE REAR DECK IN MANY CARS - CHECK FOR ADEQUATE CLEARANCE BEFORE EVEN CONSIDERING SUCH A MOUNTING LOCATION!
Before wiring up an audio system that may not achieve the sound quality you want, be sure to choose a system concept that fits your listening requirements. Basic systems, a receiver with internal 4x20 watts and 4 coax speakers, are adequate for many listeners. But, when you want to really feel the music, you will need some kind of subwoofer amplifier/speaker combination. Although many people might jump into an add-on amplifier to power to rear coaxial speakers, a better choice is usually a subwoofer amp/speaker system that supplements the existing 4 speaker system as shown in the adjacent drawing. Such a system provides a surprising improvement in sound quality due to the usually dramatic increase in bass response. The next dramatic step up in performance is with a multichannel system that offers more dynamic range in the mids and highs due to higher power plus more bass response due to multiple woofers and/or more power. But, with such a system, the stereo image and overall listening experience usually becomes much more life-like due to better tonal quality midrange/tweeter speakers and usually better placement. To build such a system though, complexity goes up due to the addition of passive or active crossovers which take time to install and may inject noise into the system due to potential noise signal pick up. The results though of such a system can be dramatically pleasing.
Subwoofer Full-Range Full-Range
Supplementary subwoofer system
Sat Amplifier (4x50 W)
Sub Amplifier (2x100 W)
High performance multi-channel system
For most installations, simple hand tools are adequate to install an aftermarket amplifier. Depending upon the mounting locations used, you will need power tools for drilling and cutting plastics and metal. A good starting list is summarized below:
s s s s s s s s s
Tape measure and ruler Marking pen and starting punch Phillips and flat blade screwdrivers (small and medium sizes) Nylon wire bundle ties Pliers: standard vice-grip and needle nose styles Light-duty trim pry-bar for removing door trim Cutting shears or nibbling tool for cutting thin and medium gauger metal Wire cutters, wire strippers, electrical tape, crimping pliers and appropriate crimp-on terminals Power drill with appropriate sized drill bits
For safety purposes, a high current fuse (or circuit breaker) MUST be installed in line with the amplifiers(s) immediately at the battery to prevent vehicle damage should the battery line in advertently shorted to the vehicle chassis. The chart at the right shows the recommended master fuse sizes for an average audio system with noted rms output power levels.
SYSTEM FUSE CHART
(Fuse size for total amplifier system power in rms watts)
Fuse Size (in amps) 20 A
Most vehicles built since 1990 have adequate current capability for your amplifier. Except for systems above about 500 W rms, the factory charging system and battery should easily support it if properly installed. Proper wire size must be chosen to ensure adequate current delivery to the amp. Wire size (gauge) of the cables need to increase in size for higher power systems. (Wire sizes larger than those noted are usually a waste of time and money since they offer Little or no performance improvements.) Wire diameter must increase (decreased wire gauge number) for higher power systems. For long wire runs the wire diameter must also increase. The wire sizes noted allow for a maximum 0.5 volts DC drop over the give wire run which results in Sound Pressure Level drops inaudible to the average listener.
SYSTEM POWER AND GROUND WIRE CHART
(Wire gauge for total system in 'rms' watts)
5 ft. / 1.5 m 10 ft. / 3.0 m 15 ft. / 4.5 m 20 ft. / 6.0 m 25 ft. / 7.5 m
0 or 00
As with power wire, speaker wire size (gauge) changes with the power required and the length of the wire run. The speaker wire chart shows the minimum recommended wire size for a single audio output channel driving a loudspeaker at a given distance with a maximum power loss of 0.5 dB, the threshold of audibility. (Wire sizes larger than those noted are usually a waste of time and money since they offer little or no performance improvements.)
LOUDSPEAKER WIRE CHART WIRE LENGTH
(Wire gauge per loudspeaker/speaker power in rms watts)
FINAL VEHICLE WIRING
Current requirements for an upgraded audio system dictate a dedicated power line be run from the amplifier directly to the battery of the vehicle. This line should NOT be run to the fuse panel of the vehicle but directly to the battery. DO NOT run to the alternator either. There MUST be a fuse installed at the battery with adequate amperage as shown in the chart above. As for the final signal wiring, be sure to route the audio cables down the side of the car opposite the power lines to avoid noise pick up from the lines. Also, try to route all audio cables away from noise sources such as engine computers and ABS brake computers. Proper power grounding is important to insure adequate current flow. Be sure to grind the surface clean of all paint to ensure a solid electrical connection.
Battery Battery Connector Fuse or Circuit Breaker
Grommet To prevent damage to power wire
Power Wire (10 gage wire or larger)
Power Antenna Turn-On Wire (18-20 gage wire)
Speaker Wires or RCA Cables
Amplifier Ground Screw Drill 1/8 hole in chassis sheet metal Use the same ground if using multiple amplifiers
INPUTS & CONTROLS
"Floating Ground" Radio Outputs
The inputs and controls for this amplifier are explained in the summaries below and reference the numbered call-outs above.
1.) CROSSOVER FREQUENCY SETTING - the internal
crossover frequency control setting of the amplifier can be switched to either the flat frequency response position or in a low-pass mode (passes only low frequencies). On this amplifier, the choice is for either 100 Hz or 75 Hz low pass mode only. This unit is NOT high-pass frequency capable.
PUT R L
2.) POWER ON LED - This light will turn on when the
amplifier receives a +12 volt turn on signal from the radio in the vehicle. The input line to the trigger connection must be properly connected to the radios trigger line which is often also the power antenna line. If the amp is properly wired, but the light does not turn on, verify the trigger line is properly connected, is receiving +12 volts, and the speaker outputs are not shorted to themselves or ground in any way.
LEFT (+) LEFT ()
GREEN GREEN-BLACK (NOT USED)
3.) INPUT GAIN CONTROL - This controls the gain
setting on the input of the amplifier. For high gain settings ( 0.3 volts), this says that it takes ONLY 0.3 volts to drive the amp to full output. For low gain settings (near 4 volts), this says that it takes nearly 4 volts to drive the amp to full output. If the amp is often going into distortion at only moderate volume settings on the radio, rotate this control towards the 4 volts setting to reduce the distortion.
RIGHT () RIGHT (+)
"Common Ground" Radio Outputs
4.) HIGH LEVEL INPUTS - Should RCA cables not be
available from the radio you are able to tap onto the audio signal from the high level speaker outputs of the radio. This is most commonly used when the amp is an add-on device such as for a subwoofer system.
5.) LOW LEVEL INPUTS - The more commonly used
inputs, these are connected to the standard RCA outputs available on nearly all aftermarket radios today. These lines are dedicated to left and right outputs of the radio, be it for front or rear speaker installations. The input gain settings of the amplifier (0.3 - 4 volts) are referenced to these inputs.
RADIO CHASSIS GROUND -ORCOMMON SPEAKER GROUND
GREY-BLACK (NOT USED)
High Level (Speaker Input) Wiring 7
POWER CONNECTIONS & SPEAKER OUTPUTS
Power Terminal (+12V)
Connect directly to the vehicle battery + terminal with 10 gage wire (minimum)
The power and speaker connections for this amplifier are explained in the summaries below and reference the numbered call-outs above.
1.) POWER CONNECTIONS GROUND - This is the high current ground connection to
the chassis of the car. It should be fastened to a clean ground connection in the car, capable of handling high current loads and within 3 feet (absolutely no longer than 3 feet). TRIGGER - This allows the amp to be remotely switched on from the radio and normally uses a dedicated trigger line output. If one is not available, simply use the power antenna line. When a +12 volt DC signal is applied it will turn on the amplifier. +12V - A high current line run directly to the battery is required. This line should NOT be connected to the fuse block of the vehicle. It MUST be fused through its own dedicated fuse at the battery.
Spade Connector NOT SUPPLIED To Battery Terminal 10 Gage Wire
30 amp Fuse or Circuit Breaker Battery Terminal Adapter
Connect to a good chassis ground. The ground connection should be clean, unpainted metal to provide a good electrical connection.
2.) FUSE - This fuse is only for catastrophic situations should the
amplifier begin to self-destruct or incur installation situations where gross amounts of current are being required from the amplifier. Although another fuse is located at the battery, in line with the battery high current line, this fuse MUST remain in the circuit to physically protect the amplifier.
3.) SPEAKER OUTPUT CONNECTIONS - These
connections are used to connect to the loudspeakers with the appropriate impedance. It is imperative that these lines NOT be connected or touch the chassis of the vehicle in any way. Also, the (+) and (-) leads are in no way inner connected so the left channel (+) and the right channel (+) must remain independent. In addition, the (-) leads for the speakers CANNOT touch or be wired to the ground lead of the amplifier; these are NOT common ground amplifiers.
Spade Connector Ring Connector 10 Gage Wire
Sheet Metal Screw
Drill 1/8 hole in chassis sheet metal
Connect the radio power antenna lead from the receiver to the amplifier terminal. This turns the amplifier on whenever the receiver is turned on.
If wiring connections are made wrong, the unit will not operate properly and it could be damaged. Follow the installation instructions carefully, or have the installation handled by an experienced technician.
Spade Connector 18-20 Gage Wire To Receiver Power Antenna Lead Butt Connector (not supplied)
SYSTEM CONFIGURATION #1
Connect Speakers as shown. For best sound, always make sure to connect + to + and - to + L Speakers + R Crossover Position
100 flat 75
2 Channel Full-Range Mode
This installation is most popular for listeners who want to simply increase the power to the rear speakers in a car. The resulting performance is most commonly a louder overall sound field from the rear. But, such a systems biggest benefit is the additional bass response since the bass control of the radio can be turned up without distorting the amplifier. Such a system is not necessarily louder in the mids and highs but is able to play louder in the low frequencies due to this additional power. This leads to an overall richer and stronger sound experience for the listener without additional subwoofer boxes or electronics that may complicate the system or take up more room. Such a system WILL NOT equal the performance of a subwoofer system but will certainly be a pleasant improvement.
SYSTEM CONFIGURATION #2
Full-Range High-Pass + L Speakers + R Crossover Position
3 Channel Multi-Mode (Passive)
The multi-mode system is a poor-mans satellite/subwoofer system. This amplifier is able to drive speakers in stereo mode and at the same time drive low frequencies to a dedicated subwoofer speaker. By inserting inductors (coils) and capacitors, the result is an inexpensive solution to generating a 3' channel system with a 2 channel amplifier. Using passive components (coils and capacitors) the installation is simple and performs adequately for most listeners. Such a system will not perform as well as an active system because the slow attenuation (roll-off) of the frequency response resulting in a moderate amount of over-lapping of the sound spectrum between the satellites and subwoofers. It is important to remember that although surprisingly pleasant performance is achieved, this is a compromise system and will NOT perform as well as a dedicated 3 channel system with electronic crossovers.
SYSTEM CONFIGURATION #3
Full-Range Full-Range + L Speakers + R
Crossover Position + Bridged
2 Channel Dual Subwoofer Mode
The largest improvement in sound quality always comes when adding some kind of subwoofer via a dedicated subwoofer amplifier and electronics crossover. The electronic crossover ensures minimal overlap of the bass response with the mid and high frequencies from the other speakers resulting in a more accurate performance compared to conventional coaxials with additional power. By installing this amplifier in the stereo mode, you are able to drive two subwoofer speakers and in to low impedance loads (e.g., 2 ohms) without over heating the amplifiers. Also, such an installation more easily supports a standard 2 speaker woofer box that may already be constructed. Since two woofers can play 6 decibels louder than one at a given power (due to acoustical laws of mutual-coupling), the resulting sound pressure level is substantial. This is probably the most common use for a conventional two channel amplifier there is.
SYSTEM CONFIGURATION #4
For higher output, you can connect a subwoofer to two output channels. Look for the + and to indicate the correct connections.
+ L Speakers + R
1 Channel Bridged Subwoofer Mode
By electrically connecting a subwoofer speaker in the way shown above, you are able to greatly increase the output power delivered from the amplifier to the speaker. Such a circuit increases the voltage swing across the speaker which increase the power seen by a factor of 2 to 4 times that in stereo mode. This is a very logical set-up for systems that are space limited to allow for only one subwoofer in a vehicle. The number and box volumes are compensated by simply more amplifier power pushing a single speaker.
Such a configuration is also a surprisingly good performer. These increases in power are always welcome but you must take care to avoid low impedances (below 4 ohms) since most amplifiers will overheat and shut down if over-driven into such a configuration. You must also take care that you are not exceeding the thermal, or excursion, power limiting values for the woofer. Surprisingly high power levels can be achieved with such a system without realizing it thus quickly damaging the woofer.
Below is a basic trouble-shooting guide to assist in seeking out and correcting a problem that may occur in the installation process. Although lengthy, this chart cannot address every single problem possible but mainly the ones most common. SYMPTOM
No power (power light not on)
PROBABLE CAUSE OR CORRECTION
s s s s s
Check connections to amps +12 volt, ground, and remote lines. Use voltmeter to verify voltages are at terminals of amp. Check main power connection at battery. Check fuse in power line at battery. Disconnect all speakers but not power lines - if unit then turns on, a speaker short or speaker line touching vehicle chassis is likely. Check all input cable lines for connection. Disconnect speakers from amp, test speaker lines with digital voltmeter to verify >2 ohms per channel (non-bridged mode). Check radios balance and fader control positions - verify they are at center. Check speaker connections at amp and speaker. Check input leads for connection to amp. Verify radio balance and fader controls are at center positions. Check amplifiers input gain control setting - adjust for higher output levels if necessary (gain settings closer to 0.3 volts). Receiver may have very low output voltage levels - a step up line driver may have to be used. Make sure power connections at batter are tight. Verify battery voltage is >11.5 volts DC (12.5-15V engine on) at amplifier with engine off. Check all radio and amplifier ground connections. Input stage being over-driven - lower input gain (closer to 4 volt setting). Verify battery voltage is >11.5 volts DC at amplifier with engine off. Check all radio and amplifier ground connections. Verify speaker loads >2 ohms on all channels (non-bridged mode). Input gain control too high - lower accordingly (closer to 4.0 volt setting). Verify speaker loads >2 ohms on all channels (non-bridged mode). Verify the mounting location allows for free air movement around the amp. Preferably, the amp should be mounted with fins up and down so rising heat moves quickly away from amp. turn on race - disconnect trigger from radio and turn on/off via a wire jumper to power terminal. If noise goes away, the radio is turning on/off too slowly. This is radio problem and can only be corrected with outboard turn-on delay relay system. Radio thump - disconnect the RCA input lines to the amp and turn on/off via radio trigger. If noise goes away without RCA lines connected, the radio is sending pops out through RCA lines. This is a radio problem and can only be corrected with outboard turn-on delay relay system. Ensure the problem is radiated noise by placing a portable FM radio near the car engine. If noise is picked up, then it is a vehicle problem and not your system. Research to isolate the source and properly shield or bypass. Are spark plugs and wires > 3 years old? These can often radiate substantial noise when old. Verify the engine block has a good ground connection to chassis ground. Verify the engine compartment hood is grounded to vehicle chassis via a braided grounding strap. Verify all power and ground connections are clean at radio. Re-route radio power and ground so they are sourced from same connections back at amplifier (this is called a common ground). Check all ground connections to ensure clean surfaces that have all paint removed and also not oxidation buildup over time. Verify there is some kind of power filtering choke assembly at back of radio. If not, install one. Check battery ground connections at chassis are clean and tight, scraped free of oxidation, paint, and grease. Re-route radio power and ground so they are sourced from same connections back at amplifier (this is called a common ground). Bypass all equipment between radio and amp (e.g., equalizers) directly connecting radio. If noise goes away, signal processor has problem. Check for signal level ground loops - disconnect the outer shield of the RCA cable at one end of the cable (e.g., radio end). If noise goes away, modify cables accordingly. There are voltage differences at the ground connections of the components and these are NOT correctable any other way than such shield cutting or an outboard ground loop isolator which is a small transformer.
Power but no sound (power light is on)
No sound from one channel or entire side
Very low sound level
Power amplifier turns on and off repeatedly (motor-boating sound) Amplifier turns off during loud or distorted passages
Amplifier performs fine but gets very hot to the touch
Amplifier turn-on/turn-off pops or noises
Cracking noises on AM/FM radio but not on tape or cd.
Whining noise, engine running, varies in pitch or loudness with engine speed, AND varies with radio volume control setting (this is generally a RADIO installation problem)
Whining noise, engine running, varies in pitch or loudness with engine speed, BUT, DOES NOT vary with radio volume control setting (this is generally an amplifier installation problem)
LIMITED WARRANTY INFORMATION (UNITED STATES ONLY)
Robert Bosch Corporation warrants new Blaupunkt car audio products it distributes in the United States through authorized Blaupunkt dealers, or which are imported as original vehicle equipment by the automobile manufacturer, to be free from defects in material and workmanship, in accordance with the following: For twelve (12) months after delivery to you, the original consumer purchaser, we will repair or at our option replace at no charge to you any car audio product which, under normal conditions of use and service, proves to be defective in materials or workmanship. However, this warranty does not cover expenses incurred in the removal or reinstallation of any car audio product, whether or not proven defective, and does not cover products not purchased from an authorized Blaupunkt dealer. This warranty is limited to the original consumer purchaser and is not transferable. Repaired and replacement car audio products shall assume the identity of the original for purpose of this warranty and this warranty shall not be extended with respect to such products. To obtain performance of this warranty, contact the nearest Blaupunkt authorized repair facility or our nearest office. A dated purchase receipt or other proof that the product is within the warranty period will be required in order to honor your claim. Carefully pack the unit and ship prepaid to the servicing location. For further information, write to the Robert Bosch Corporation, 2800 South 25th Avenue, Broadview, Illinois, 60153, attention Blaupunkt Customer Service Department or call 1-800-266-2528. Specifically excluded from this warranty are failures caused by misuse, neglect, abuse, improper operation or installation, dropping or damaging, unauthorized service or parts, or failure to follow maintenance instructions or perform normal maintenance activities. Normal maintenance activities for car audio products include but are not limited to cleaning and other minor maintenance activities and adjustments that are outlined in the owner's manual or that are normally required for continued proper operation. Also excluded from this warranty is the correction of improper installation and the elimination of any external electromagnetic interference. This warranty sets forth your exclusive remedies with respect to the products covered by it. We shall not be liable for any incidental, consequential, special or punitive damages arising from the sale or use of any Blaupunkt car audio products, whether such claim is in contract or tort. No attempt to alter, modify, or amend this warranty shall be effective unless authorized in writing by an officer of Robert Bosch Corporation. THIS WARRANTY IS IN LIEU OF ALL OTHER WARRANTIES OR REPRESENTATIONS, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY IMPLIED BY LAW, WHETHER FOR MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OR OTHERWISE AND SHALL BE EFFECTIVE ONLY FOR THE PERIOD THAT THIS EXPRESS WARRANTY IS EFFECTIVE. In the event any provision, or any part or portion of this warranty shall be held invalid, void or otherwise unenforceable, such holding shall not affect the remaining part or portions of that provision or any other provision hereof. NOTICE TO CALIFORNIA OWNERS: If your Blaupunkt car audio product needs warranty repair service and there is no authorized service center reasonably close to you, you can return the defective unit to the dealer from whom you purchased it, or you can return it to any dealer who sells Blaupunkt car audio products. The dealer may, at the dealer's option, replace, repair or refund the purchase price for any Blaupunkt car audio products which prove defective under conditions of normal use. If the dealer fails to repair, replace, or partially refund your money, you may take your Blaupunkt car audio product to any repair shop and they can repair your unit at our expense unless the repair cost exceeds the depreciated value of the unit, but you must contact Blaupunkt to receive authorization to do this before your car audio product is repaired. ROBERT BOSCH CORPORATION BLAUPUNKT CUSTOMER SERVICE 2800 SOUTH 25TH AVENUE BROADVIEW, IL 60153 TEL: 1-800-266-2528
BLAUPUNKT TECHNICAL SUPPORT
These amplifiers are designed to install quickly and easily into most vehicles. Should you experience installation problems, we will make all reasonable efforts to help you, the end purchaser or Installation Technician, to competently install these components. Before calling us please carefully review this owners manual for the answers to your questions. Due to the limited print space of this owners manual, we also offer additional information regarding installation and systems on our Internet site. Via a standard Internet connection through a local Internet Service Provider or other providers (e.g., America Online), connect to our web site at the following address: http://www.blaupunkt.com. On this site we offer technical information on system design, vehicle integration, product fit guides where possible, and extensive information on loudspeaker design and installation. For the more adventuresome builder, we also offer our BlauBox computer program which assists in designing subwoofer enclosures. This program is FREE to down load and use. We also link out to other sites that provide additional theory and technical support for the consumer and the technically interested.
Robert Bosch Corporation Sales Group - Blaupunkt Division 2800 S. 25th Avenue, Broadview, Illinois 60153 U.S.A. http://www.blaupunkt.com
Copyright 1998 by the Robert Bosch Corporation No portion of this work may be reproduced in any form without the written consent of the Robert Bosch Corporation
Printed in China (8/98)
Intuos 4 Player WA1101TE CD 2803 Wl-330 Piranha MAX IFP-180 8 2 1000-MP3 Iriver T50 A3000 Htib 1000 Electro-voice DX38 Casio 3354 LC-30AD1E GC4411 SH-FX60 CDE-7854R XL-45H Niva 1600 IP500 Software KH 2131 DFL-500 HB-152CE L22D01UB TX-32LX63F Server UN40C7000 CLP-240-230 Ru 87U Printer DI-604UP Attachment KV-1405 D1215 NAD 5420 NP-M60 PB760 Freehand MX 38 CC Urc-7541 KX-TCA130E CP-200 Avtl 104 Impressa E80 29PT9020 12 DEH-P4550 Dopod S300 13 0 D-VR5SU Dslr-A700K DVD755VR Turntable Explorist XL 5970 VFD Fatal1TY Quadraverb Plus NAD Htrm BC200XLT RH188 P7220 CD1401B 51 CDA-9854R IS 2160 22LG30-UA Desktop PC CA-200 Wikango ONE Boss DD-6 Playstation 3 Thunder 22 PL42A450 LG XA63 LN46A500t1F Aspire SA85 EL-5250F DCR-HC20 Dream DA-1 WX-C570R Cect 599 12 0 Wc Megabolt Chronographs 725 SW Review GY520 SE Ed-1 EW1248W KX-TG2214W S5600 ZOB341X IC-F2010 42LG3000-ZA AEK AR-PB2A Citycom 300I RMD169 ML-1665 Promix01 Rifle
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