Crown_Power_Tech_.1_Series_Reference_Manual电路图.pdf

Operation Manual Power-Tech 1.1 Obtaining Other Language Versions: To obtain information in another language about the use of this product, please contact your local Crown Distributor. If you need assistance locating your local distributor, please contact Crown at 574-294-8000. This manual does not include all of the details of design, production, or variations of the equipment. Nor does it cover every possible situation which may 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 . Trademark Notice: Crown, Amcron and ODEP are registered trademarks of Crown International. Grounded Bridge is a trademark of Crown International. Other trademarks are the property of their respective owners. Some models may be exported under the name Amcron. 2002 by Crown Audio, Inc. P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A. Telephone: 574-294-8000 132800-2 2/02 Power-Tech .1 Series Power-Tech 2.1 Power-Tech 3.1 RadioFans.CN 收音机爱 好者资料库 Power-Tech .1 Series Power Amplifiers page 2Operation Manual Important Safety Instructions 1)Read these instructions. 2)Keep these instructions. 3)Heed all warnings. 4)Follow all instructions. 5)Do not use this apparatus near water. 6)Clean only with a dry cloth. 7)Do not block any ventilation openings. Install in accordance with the manufacturers instruc- tions. 8)Do not install near any heat sources such as radiators, heat registers, stoves, or other apparatus that produce heat. 9)Do not defeat the safety purpose of the polar- ized or grounding-type plug. A polarized plug has two blades with one wider than the other. A grounding-type plug has two blades and a third grounding prong. The wide blade or the third prong is provided for your safety. If the provided plug does not fit into your outlet, consult an electrician for replacement of the obsolete outlet. 10)Protect the power cord from being walked on or pinched, particularly at plugs, convenience receptacles, and the point where they exit from the apparatus. 11)Only use attachments/accessories specified by the manufacturer. 12)Use only with a cart, stand, bracket, or table specified by the manufacturer, or sold with the apparatus. When a cart is used, use caution when moving the cart/apparatus combination to avoid injury from tip-over. 13)Unplug this apparatus during lightning storms or when unused for long periods of time. 14)Refer all servicing to qualified service person- nel. Servicing is required when the apparatus has been damaged in any way, such as power- supply cord or plug is damaged, liquid has been spilled or objects have fallen into the apparatus, the apparatus has been exposed to rain or moisture, does not operate normally, or has been dropped. 15)To reduce the risk of fire or electric shock, do not expose this apparatus to rain or moisture. TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR BOTTOM COVERS. NO USER SERVICE- ABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. PRVENIR LE CHOC LECTRIQUE NENLEVEZ PAS LES COUVERCLES. IL NY A PAS DES PAR- TIES SERVICEABLE LINTRIEUR. TOUS REPA- RATIONS DOIT ETRE FAIRE PAR PERSONNEL QUALIFI SEULMENT. IMPORTANT Power-Tech .1 Series amplifiers require Class 2 output wiring. MAGNETIC FIELD CAUTION! Do not locate sensitive high-gain equip- ment such as preamplifiers or tape decks directly above or below the unit. Because this amplifier has a high power density, it has a strong magnetic field which can induce hum into unshielded devices that are located nearby. The field is strongest just above and below the unit. If an equipment rack is used, we recommend locat- ing the amplifier(s) in the bottom of the rack and the preamplifier or other sensitive equipment at the top. 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 instruc- tions. RadioFans.CN 收音机爱 好者资料库 Power-Tech .1 Series Power Amplifiers page 3Operation Manual Important Safety Instructions . 2 Table of Contents . 3 1 Welcome .4 1.1 Features. 4 2 How to Use This Manual . 4 3 Setup. 5 3.1 Unpack Your Amplifier . 5 3.2 Install Your Amplifier . 5 3.3 Ensure Proper Cooling . 5 3.4 Choose Input Wire and Connectors . 6 3.5 Choose Output Wire and Connectors . 7 3.6 Wire Your System . 8 3.6.1 Stereo Mode. 8 3.6.2 Bridge-Mono Mode. 8 3.6.3 Parallel-Mono Mode. 8 3.7 Set Input Sensitivity . 9 3.8 Connect to AC Mains . 9 3.9 Startup Procedure . 9 4 Operation . 9 4.1 Precautions . 9 4.2 Front Panel Controls and Indicators . 10 4.3 Back Panel Controls and Connectors. 11 5 Advanced Features and Options . 13 5.1 Protection Systems . 13 5.1.1. ODEP . 13 5.1.2 Ultrasonic and Radio Frequency Protection. 13 5.1.3 Drive Protection. 13 5.1.4 Transformer Thermal Protection. 13 5.1.5 Fuses and Circuit Breakers. 13 5.2 Option . 14 5.2.1 MT-BB. 14 6 Troubleshooting . 15 7 Specifications . 16 8 Service . 17 8.1 Worldwide Service . 18 8.2 US and Canada Service . 18 8.2.1 Service at a US or Canada Service Center. 18 8.2.2 Factory Service . 18 8.2.3 Factory Service Shipping Instructions. 18 9 Warranty . 19 Factory Service Information Form . 21 Table of Contents RadioFans.CN 收音机爱 好者资料库 Power-Tech .1 Series Power Amplifiers page 4Operation Manual 1 Welcome Congratulations on purchasing a Crown Power-Tech.1 Series amplifier. Power-Tech .1 Series amplifiers are compact, professional power amplifiers engineered to meet the most demanding sound reinforcement needs. They compare very favorably to more expensive amplifiers, providing uncolored sound and sig- nal-to-noise ratios commonly associated with recording studios. Modern power amplifiers are sophisticated pieces of engineering capable of producing extremely high power levels. They must be treated with respect and correctly installed if they are to provide the many years of reliable service for which they were designed. In addition, the Power-Tech .1 Series amplifiers include a number of features which require some explanation before they can be used to their maximum advantage. Please take the time to study this manual so that you can obtain the best possible service from your amplifier. 1.1 Features The patented ODEP circuitry and Grounded Bridgedesign combine to pro- vide performance and reliability that sur- pass all traditional designs. Safe with any load. Bridge-Mono and Parallel-Mono modes make it easy to opti- mize the amplifiers performance for a wide range of loads. Complete protection against shorted out- puts, mismatched loads, overheating, input/output DC and high-frequency over- load; full internal fault protection. Balanced phone jack inputs in parallel with XLR input connectors. Barrier block input connectors are optional. Backed by the industrys ONLY three-year, no-fault, fully transferable and extendable warranty. 2 How to Use This Manual This manual provides you with the necessary information to safely and correctly set up and operate your amplifier. It does not cover every aspect of installation, setup or operation that might occur under every condition. For addi- tional information, please consult Crowns Amplifier Application Guide (available online at ), Crown Technical Support, your system installer or retailer. We strongly recommend you read all instruc- tions, warnings and cautions contained in this manual. Also, for your protection, please send in your warranty registration card today. And save your bill of saleits your official proof of purchase. Power-Tech .1 Series Power Amplifiers page 5Operation Manual 3.1 Unpack Your Amplifier Please unpack and inspect your amplifier for any damage that may have occurred during transit. If damage is found, notify the transpor- tation company immediately. Only you can ini- tiate a claim for shipping damage. Crown will be happy to help. Save the shipping carton as evidence of damage for the shippers inspec- tion. We also recommend that you save all packing materials so you will have them if you ever need to transport the unit. Never ship the unit without the factory pack. YOU WILL NEED (not supplied): Input wiring cables Output wiring cables Rack for mounting amplifier (or a stable surface for stacking) WARNING: Before you start to set up your amplifier, make sure you read and observe the Important Safety Instruc- tions found at the beginning of this man- ual. 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 without using a cabi- net. NOTE: When transporting, amplifiers should be supported at both front and back. 3.3 Ensure Proper Cooling When using an equipment rack, mount units directly on top of each other. Close any open spaces in rack with blank panels. DO NOT block front or rear air vents. The side walls of the rack should be a minimum of 2 inches (5.1 cm) away from the amplifier sides, and the back of the rack should be a minimum of 4 inches (10.2 cm) from the amplifier back panel. Figure 3.2 illustrates standard amplifier airflow. 3 Setup Figure 3.1 Dimensions Figure 3.2 Airflow Power-Tech .1 Series Power Amplifiers page 6Operation Manual 3.4 Choose Input Wire and Connectors Crown recommends using pre-built or profes- sionally wired, balanced line (two-conductor plus shield), 22-24 gauge cables and connec- tors. If you chose the MT-BB input barrier strip option, use bare wire or spade lugs at the ampli- fier inputs. Otherwise use either 3-pin male XLR connectors or TRS -inch phone connectors. Figure 3.3 shows connector pin assignments for balanced wiring, and Figure 3.4 shows connec- tor pin assignments for unbalanced wiring. NOTE: Custom wiring should only be per- formed by qualified personnel. Figure 3.3 Balanced Input Connector Wiring Figure 3.4 Unbalanced Input Connector Wiring 3 Setup Power-Tech .1 Series Power Amplifiers page 7Operation Manual 3.5 Choose Output Wire and Con- nectors Crown recommends using pre-built or profes- sionally wired, high-quality, two-conductor, heavy gauge speaker wire. Use bare wire, a dual banana plug or spade lugs on the amplifier end of each speaker cable (Figure 3.5). To prevent the possibility of short-circuits, wrap or other- wise insulate exposed loudspeaker cable con- nectors. Using the guidelines below, select the appropri- ate size of wire based on the distance from amplifier to speaker. CAUTION: Never use shielded cable for output wiring. DistanceWire Size up to 25 ft.16 gauge 26-40 ft.14 gauge 41-60 ft.12 gauge 61-100 ft.10 gauge 101-150 ft.8 gauge 151-250 ft.6 gauge Figure 3.5 Output Connector Wiring 3 Setup Power-Tech .1 Series Power Amplifiers page 8Operation Manual 3.6 Wire Your System Turn down the Level controls (fully counter- clockwise) and turn off the amplifier before wir- ing it as described below. Refer to Figure 3.6. 3.6.1 Stereo Mode Set the back panel stereo/mono switch to Stereo. INPUTS: Connect input wiring to both channels. OUTPUTS: Maintain proper polarity (+/) on output connectors. Connect Channel 1 positive (+) speaker load to Channel 1 positive terminal of amp; repeat for negative (). Repeat Channel 2 wiring as for Channel 1. 3.6.2 Bridge-Mono Mode Set the back panel stereo/mono switch to Bridge-Mono. INPUTS: Connect input wiring to Channel 1 only. OUTPUTS: Connect the speaker across the posi- tive terminals of each channel. Do not use the negative terminals when the amp is being oper- ated in Bridge-Mono mode. NOTE: The Channel 2 level control should be set fully counter-clockwise when oper- ating the amplifier in Bridge-Mono mode. 3.6.3 Parallel-Mono Mode CAUTION: Parallel-Mono wiring requires installation of a jumper wire. Do not switch to Stereo or Bridge-Mono mode until this output jumper wire is removed. IMPORTANT: The Channel 2 IOC indicator will remain lit when operating in Paral- lel-Mono mode. Set the back panel stereo/mono switch to Parallel-Mono. INPUTS: Connect input wiring to Channel 1 only. OUTPUTS: Add a 14 AWG gauge (or larger) jumper between the red(+) Channel 1 and Chan- nel 2 binding posts. Connect the speaker posi- tive (+) lead to the Channel 1 red (+) terminal. Connect the speaker negative () lead to the Channel 1 black () terminal. NOTE: Use only the Channel 1 level con- trol. NOTE: Crown provides a reference of wiring pin assignments for commonly u