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CE2000TX

Power Amplifier

Operation Manual

4 Operation

Figure 4.1

Controls,

Indicators &

Connectors

4.2 Controls, Indicators and Connectors

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Summary of Contents for CE 2000TX

Page 1: ...y arise during installation operation or maintenance The information provided in this manual was deemed accurate as of the publication date However updates to this information may have occurred To obtain the latest version of this manual please visit the Crown website at www crownaudio com Trademark Notice Crown Crown Audio and Amcron are registered trademarks of Crown International Other trademar...

Page 2: ...N ESTADO WATCH FOR THESE SYMBOLS The lightning bolt triangle is used to alert the user to the risk of electric shock The exclamation point triangle is used to alert the user to important operating or maintenance instructions REGARDEZ CES SYMBOLES La triangle avec le sigle foudre est employée pour alerter l utilisateur au risque de décharge électrique Le triangle avec un point d exclamation est emp...

Page 3: ... and Methods of Measurement of Radio Disturbance Characteristics of ITE Radiated Class B Limits Conducted Class B EN 55103 2 1996 Electromagnetic Compatibility Product Family Standard for Audio Video Audio Visual and Entertainment Lighting Control Apparatus for Professional Use Part 2 Immunity EN 61000 4 2 1995 Electrostatic Discharge Immunity Environment E2 Criteria B 4k V Contact 8k V Air Discha...

Page 4: ...tems 16 5 1 1 Bias Servo 16 5 1 2 Fault 16 Table of Contents 5 1 3 Ultrasonic and Radio Frequency Protection 16 5 1 4 Drive Protection 16 5 1 5 Compression 16 5 1 6 Power Circuit Breaker 16 5 1 7 Proportional speed Fan 16 5 2 Advanced Features 16 5 2 1 Crown SST Modules 16 5 2 2 Fault Monitoring 18 5 3 Options 19 5 3 1 Alternate Output Connectors 19 5 3 2 Tamper Resistant Hole Plugs 19 5 3 3 Optio...

Page 5: ...puts Advanced protection circuitry guards against shorted outputs open circuits DC mismatched loads general overheating high fequency overloads and internal faults Genuine Neutrik Speakon connectors Choice of 1 4 inch XLR or barrier strip inputs Removable front panel level controls Switchable input sensitivity Proportional speed fan optimizes cooling efficiency Can be mounted in EIA standard 19 in...

Page 6: ...portant Safety Instruc tions found at the beginning of this manual 3 2 Install Your Amplifier CAUTION Before you begin make sure your amplifier is disconnected from the power source with power switch in the off position and all level controls turned completely down counterclock wise Use a standard 19 inch 48 3 cm equipment rack See Figure 3 1 for amplifier dimensions You may also stack amps withou...

Page 7: ...n assignments for XLR and phone Figure 3 4 shows unbalanced connector pin assignments for XLR and phone Figure 3 5 shows barrier strip input wiring for a balanced signal Both channels should be wired using a common center terminal for ground con nection NOTE Custom wiring should only be performed by qualified personnel Figure 3 3 Balanced Input Connector Wiring Figure 3 4 Unbalanced Input Connecto...

Page 8: ...e is installed use ter minal forks or bare wire for your output connec tors see Figure 3 7 To prevent the possibility of short cir cuits replace the cover on the barrier strip after completing the output wiring If the CEAS2 Output Module is installed connect to it with bare wires spade lugs or banana plugs on the speaker cables Figure 3 8 Using the guidelines below select the appropri ate size of ...

Page 9: ...llel the Inputs in Stereo Mode There are three ways to feed the same signal to each amplifier channel 1 Buy a Y cable Plug the female end into your signal cable and plug the split male ends into both amplifier inputs 2 Feed your signal to the Channel 1 input either barrier block or Combo Connect a jumper wire Figure 3 10 between the barrier block Channel 1 screw terminal and the Channel 2 screw te...

Page 10: ...nnel pair Do not use the negative terminals of the channel pair when the pair is being operated in Bridge Mono mode Refer to Section 3 5 for output connector pin assignments Make sure the Mode switch is set to the Bridge position when operating in Bridge Mono mode NOTE Turn down full CCW the Channel 2 level control when operating the channel pair in Bridge Mono mode as the Channel 1 level control ...

Page 11: ...page 11 CE2000TX Power Amplifier Operation Manual Figure 3 12 Typical Small Passive System CE 2000TX Amplifiers Shown with Optional CEAS1 Output Module ...

Page 12: ...Operation Manual CE2000TX Power Amplifier page 12 Figure 3 13 Typical Medium 2 Way System CE 2000TX Amplifiers Shown with Optional CEAS1 Output Module ...

Page 13: ...page 13 CE2000TX Power Amplifier Operation Manual Figure 3 14 Typical Large 3 Way System CE 2000TX Amplifiers Shown with Optional CEAS1 Output Module ...

Page 14: ...n the amplifier is being driven by equipment with a 4 dBu output an output level at which most professional equip ment operates If required the Input Sensitivity switch can be moved to the 26 dB position so that the ampli fier provides a fixed voltage gain of 20 or 26 dB 1 volt in 20 volts out This setting works best with output levels of 10 dBu 2 5 volts RMS or more Some brands of DJ mixers in pa...

Page 15: ...page 15 CE2000TX Power Amplifier Operation Manual 4 Operation Figure 4 1 Controls Indicators Connectors 4 2 Controls Indicators and Connectors ...

Page 16: ...out put drive protection will activate The amplifier resumes normal operation when it no longer detects dangerous output Activating this pro tection is very unlikely but improper source signals like infrasonic square waves or a severely clipped input signal can activate this system Second the amplifier s fault protection system puts the affected channel into drive protection mode in rare situation...

Page 17: ...ike the SST SBSC 3632T but for the JBL 4632T cinema speakers SST 4622 See Figure 5 1 This is a custom two channel crossover network with equallization specifi cally designed for use with JBL model 4622 ScreenArray cinema speaker systems installed in cinemas studio production and post production environments Features include Low frequency signals are internally routed to the channel one amplifier i...

Page 18: ...t been turned on and is in its turn on delay mode or the ampli fier is turned off If you choose to design your own circuit to interface this signal to your system note that this RJ jack is polarity sensitive Pin 2 must be grounded and Pin 5 must be supplied with a positive voltage pull up positive with respect to ground Refer to Figure 5 4 for RJ jack pin assignments The maximum signal that can be...

Page 19: ...tion with light force Once in place the plugs will help to avoid most accidental or intentional tampering some situations may require additional security measures To remove the hole plugs simply pry the plug away from the amplifier case using a small flat blade screwdriver To help to ensure adequate security the plugs have been designed to be more difficult to remove than to place into position If...

Page 20: ...it Speakon connectors These connectors have been wired in such a way as to allow you the most versatility The Channel 1 and 2 connec tors are cross wired so you can cover all options from dual cable stereo typical to Bridge Mono in one connector to running a bi amp speaker with one amplifier and one cable per speaker cabinet The output relay in conjunction with input sig nal mute circuit assures t...

Page 21: ... COMPRESSOR CONTROL TO CLIP INDICATOR BUFFER MUTE DC PROTECT LOGIC TO FAULT CONNECTOR VCC VCC HI VOLTAGE BOOTSTRAP BIAS BIAS BIAS BIAS BIAS TDVI LIMITER TRIPLE DEEP DARLINGTON NPN POSITIVE OUTPUT STAGE TRIPLE DEEP DARLINGTON NPN NEGATIVE OUTPUT STAGE PROPORTIONAL SPEED FAN CONTROL FAN DC PROTECT HEATSINK TEMPERATURE OUTPUT CONTROL HEATSINK TEMPERATURE TRANSFORMER TEMPERATURE TO FAULT INDICATOR POW...

Page 22: ...t stage has stopped operat ing Refer the unit to an authorized Crown Ser vice Center The fault status of the amplifier can also be moni tored remotely by attaching a signal device to the Fault jack located on the amplifier back panel See the Advanced Features and Options section for more detail CONDITION Distorted sound POSSIBLE REASON Load is wired incorrectly or Stereo Mono mode switch is set in...

Page 23: ...60 Hz and 7 kHz at 4 1 from 163 milliwatts to full bandwidth power 0 1 Damping Factor 10 Hz to 400 Hz 400 Crosstalk below rated power 20 Hz to 20 kHz 55 dB Common Mode Rejection CMR 20 Hz to 1 kHz 70 dB DC Output Offset Shorted input 10 mV Input Impedance nominally balanced nominally unbalanced 20 k ohms 10 k ohms Load Impedance Note Safe with all types of loads Stereo Bridge Mono 4 and 8 ohms 8 o...

Page 24: ...ng sent to the factory for service Please complete the SRA by going to www crownaudio com support factserv htm If you do not have access to our website call 1 800 342 6939 extension 8205 and we ll create the SRA for you 2 See packing instructions that follow 3 Ship product to CROWN AUDIO FACTORY SERVICE 1718 W MISHAWKA RD ELKHART IN 46517 4 Use a bold black marker and write the SRA number on three...

Page 25: ...or our factory All expenses in remedying the defect including surface shipping costs in the United States will be borne by us You must bear the expense of shipping the product between any for eign country and the port of entry in the United States including the return shipment and all taxes duties and other customs fees for such for eign shipments HOW TO OBTAIN WARRANTY SERVICE You must notify us ...

Page 26: ...insurance closing costs and other finance charges less a reasonable depreciation on the product from the date of original purchase War ranty work can only be performed at our autho rized service centers We will remedy the defect and ship the product from the service center within a reasonable time after receipt of the defec tive product at our authorized service center HOW TO OBTAIN WARRANTY SERVI...

Page 27: ..._____________________ Other equipment in your system _________________________________________________________________________________________________________________________________________________________ If warranty is expired please provide method of payment Proof of purchase may be required to validate warranty PAYMENT OPTIONS I have open account payment terms Purchase order required PO _____...

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