Crown-CE1000A-pwr-sm维修电路原理图.pdf
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1、Service Manual130352-110/02Rev. DC IECE SERSCE SERIESCE SERIESCE SERIES P O EL U I AE SS IN M L FPROFESSIONAL AUDIO AMPLIFIERSModels:CE-1000, CE-2000(some units may have the model names: CE-1000A, CE-2000A, CE-2000TX,UT-1010, UT-2020, M120, M240, S2, and S3) 2002 by Crown Audio, Inc., P.O. Box 1000,
2、 Elkhart, Indiana 46515-1000 U.S.A. Telephone: 574-294-8000. CE Series amplifiers are produced by Crown International, Inc. Trademark Notice: Crown andMultiMode are registered trademarks of Crown International. Other trademarks are the property of theirrespective owners.RadioFans.CN 收音机爱 好者资料库CE Ser
3、ies Service ManualRev. DThe information furnished in this manual does not include all of the details of design, production, or variations ofthe equipment. Nor does it cover every possible situation which may arise during installation, operation ormaintenance. If you need special assistance beyond th
4、e scope of this manual, please contact the CrownTechnical Support Group.Mail: P.O. Box 1000 Elkhart IN 46515-1000Shipping: 1718 W. Mishawaka Rd., Elkhart IN 46517Phone: (800) 342-6939/(574) 294-8200FAX: (574) 294-8301Web: PRVENIR LE CHOCLECTRIQUE NENLEVEZPAS LES COUVERTURES.RIEN DES PARTIESUTILES LI
5、NTRIEUR.DBRANCHER LABORNE AVANT DOUVRIRLA MODULE EN ARRIRE.TO PREVENT ELECTRIC SHOCKDO NOT REMOVE TOP ORBOTTOM COVERS. NO USERSERVICEABLE PARTS INSIDE.REFER SERVICING TO QUALIFIEDSERVICE PERSONNEL.DISCONNECT POWER CORDBEFORE REMOVING REAR INPUTMODULE TO ACCESS GAINSWITCH.CAUTIONAVISWARNINGTO REDUCE
6、THE RISK OF ELECTRICSHOCK, DO NOT EXPOSE THISEQUIPMENT TO RAIN OR MOISTURE!IRadioFans.CN 收音机爱 好者资料库 CE Series Service ManualRev. DRevision HistoryRevision NumberDateChangesRev. ARev. BRev. CRev. D3-982-995-9910-02IIInitial PrintingAdded Additional Module Documentation.Added Revision History.Added In
7、side Cover Page.Updated Cover Page and Table of Contents.Updated Graphic on Page 1-1.Updated Specifications on Page 1-2.Added Section 7, Module and Schematic Information.Added Section 8, Module Parts Lists.Moved existing Module Parts Lists from Section 6 toSection 8.Added Module Parts Lists for Modu
8、le CPNs:102139-11,102140-11, 127321-1, 127323-1, 127353-1, 127373-2,127354-1, and 127354-2.Added Section 9, Field Service Modifications.Added Section 10, Schematics.Moved all existing Schematics from Section 6 toSection 10.Added Schematics 102141M and 102142M.Updated Cover Page, Revision History and
9、 Table ofContents.Revised fan part no. from 125400-3 to 133551-1.Updated phone number area code.Updated sections 1.2, 1.3.6, 7.2, 7.2.1, 7.2.3, 7.3,7.3.2, 7.3.3, 7.4.1, 9.2, 9.4.Added Module Parts Lists for Module CPNs:102140-9 revB, 126883-2 rev B, 127321-2, 127323-2,127353-3, 127354-3, 127451-4 an
10、d 127452-4.Added Schematics 127451-4 and 127452-4.Added Assembly Parts List for CE1000A and CE2000ADomestic.Revised Crown logo.Updated Cover Page, Revision History and Table ofContents.CE Series Service ManualRev. DThis page intentionally left blankIII CE Series Service ManualRev. DTable of Contents
11、IV1 Introduction . 1-11.1 The CE-Series . 1-11.2 Warranty . 1-11.3 Specifications . 1-21.3.1 Performance . 1-21.3.2 Power. 1-21.3.3 Controls . 1-21.3.4 Indicators. 1-21.3.5 Input/Output . 1-21.3.6 Connectors . 1-21.3.7 Construction . 1-22 Maintenance. 2-12.1 Surface Mount Technology . 2-12.2 Caution
12、s and Warnings. 2-12.3 Troubleshooting . 2-12.3.1 Pre-AC-Checks. 2-12.3.2 Main Module Removal . 2-22.3.3 Static Checks . 2-22.4 Checkout/Adjustment Procedures . 2-22.4.1 Equipment Required. 2-32.4.2 Initial Conditions . 2-32.4.3 Test Procedure. 2-32.4.4 Service Kit Wire Extensions . 2-33 Circuit The
13、ory . 3-13.1 Front End Operation. 3-13.2 Balanced Gain Stage. 3-13.3 Variable Gain Stage . 3-13.4 Error Amp. 3-23.5 Voltage Amplification . 3-23.5.1 Voltage Translator . 3-23.5.2 Last Voltage Amplifier. 3-23.5.3 Bias Servo . 3-23.2.2 Output PCA . 3-33.6 Output Topology . 3-23.6.1 Pre-Driver . 3-33.6
14、.2 Driver . 3-33.6.3 Output Devices. 3-33.6.4 Flyback Diodes. 3-33.6.5 Output Terminating Network. 3-33.7 Power Supply. 3-33.7.1 Low Voltage Supply. 3-33.7.2 Bootstrap Supply. 3-33.7.3 High Voltage Supply. 3-4CE Series Service ManualRev. DTable of ContentsV3.8 Protection Circuitry. 3-43.8.1 Time Dep
15、endent VI Limit . 3-43.8.2 Temperature Protection . 3-53.8.3 Low-Frequency and Short-Circuited Protection. 3-53.8.4 Input Compressor. 3-53.8.5 Turn-On Delay. 3-63.8.6 Output Relay Muting. 3-63.8.7 Input Muting . 3-63.8.8 Auxiliary Output Jack . 3-63.9 Fan Control Circuitry . 3-64 Neutrik Connectors
16、. 4-15 Parts . 5-35.1 General Information . 5-35.2 Standard and Special Parts . 5-35.3 Ordering Parts . 5-35.4 Shipment. 5-35.5 Terms . 5-36 Exploded Views, Parts Lists . 6-1Assy. CE 1000 Domestic. 6-2Assy. CE 1000 PWA & Chassis . 6-4HS Assy. CE 1000 Isolated Ch. 1. 6-6HS Assy. CE 1000 Isolated Ch.
17、2. 6-8HS Assy. CE 1000 Non-isolated Ch. 1 . 6-10HS Assy. CE 1000 Non-isolated Ch. 2 . 6-12Assy. CE 2000 Domestic. 6-14Assy. CE 2000 PWA & Chassis . 6-16HS Assy. CE 2000 Isolated Ch. 1. 6-18HS Assy. CE 2000 Isolated Ch. 2. 6-20HS Assy. CE 2000 Non-isolated Ch. 1 . 6-22HS Assy. CE 2000 Non-isolated Ch
18、. 2. 6-24Assy, CE 1000A Domestic. 6-26Assy, CE 2000A Domestic. 6-287 Module and Schematic Information. 7-18 Module Parts . 8-1NOTE: In Section 8, page numbers are on component-map title pages only.PWA 102139-6 . 8-3Component Map. 8-17PWA 102139-8 . 8-19Component Map. 8-33PWA 102139-9 . 8-35Component
19、 Map. 8-49 CE Series Service ManualRev. DVITable of ContentsPWA 102139-11 . 8-51Component Map. 8-65PWA 102140-6 (102140 revH) . 8-67Component Map. 8-81PWA 102140-8 . 8-83Component Map. 8-97PWA 102140-9 revB. 8-100Component Map. 8-119PWA 102140-9 rev C. 8-122Component Map. 8-141PWA 102140-11 . 8-144C
20、omponent Map. 8-163PWA 102689 . 8-166Component Map. 8-169PWA 102690 . 8-170Component Map. 8-173PWA 126883-2 revB. 8-174Component Map. 8-177PWA 126883-2 revC. 8-178Component Map. 8-181PWA 127321-1 . 8-182Component Map. 8-200PWA 127321-2 . 8-203Component Map. 8-220PWA 127323-1 . 8-223Component Map. 8-
21、242PWA 127323-2 . 8-245Component Map. 8-262PWA 127353-1 . 8-265Component Map. 8-283PWA 127353-2 . 8-286Component Map. 8-304PWA 127353-3 . 8-307Component Map. 8-325PWA 127354-1 . 8-328Component Map. 8-347PWA127354-2 . 8-350Component Map. 8-369PWA 127354-3 . 8-372Component Map. 8-391PWA 127451-4 . 8-3
22、94Component Map. 8-412PWA 127452-2 . 8-415Component Map. 8-434CE Series Service ManualRev. DVIITable of Contents 9 Field Modifications.9-1 9.1 Fan Circuit Balast Resistors .9-1 9.2 Timing/Mute Capacitors.9-1 9.3 Modification for Noise/Oscillation Problem.9-3 9.4 Bootstrap Resistor Modification .9-4
23、9.5 Channel 1 Output to Channel 2 Speakon .9-5 10 Schematics .10-1PART ITechnical InformationCE Series Service ManualRev. DThis page left intentionally blank CE Series Service ManualRev. Dalso feature a proportional speed fan, which optimizescooling efficiency.1.2 WarrantyEach Reference Manual conta
24、ins basic policies asrelated to the customer. For further assistance pleasecontact the Crown Technical Support Group at:Crown International, Inc.Mailing: PO Box 1000Elkhart, IN 46515-1000orShipping:1718 W. Mishawaka Rd.Elkhart, IN 46517Toll Free: (800) 342-6939Phone: (574) 294-8000FAX: (574) 294-830
25、11 IntroductionThis manual contains service information for the CrownCE-Series power amplifiers. It is designed to be usedin conjunction with the CE-Series Reference Manual.Some important information is, however, duplicatedin this Service Manual in case the Reference Manualis not readily available.N
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