Crown CT400B free download

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Com-Tech 400 Amplifier Service Manual POWER AMPLIFIER SERVICE MANUAL COM-TECH 400 ® Model CT400B ©1995 by CROWN INTERNATIONAL, INC. Mailing Address: P.O. Box 1000 Elkhart, IN U.S.A. 46515-1000 Shipping Address: 57620 C.R. 105 Elkhart, IN U.S.A. 46517 Com-Tech®, ODEP® and Crown® are registered trademarks of Crown International, Inc. K-SVCCT400 12-95 1 Com-Tech 400 Amplifier Service Manual The information furnished in 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. If you need special assistance beyond the scope of this manual, please contact the Crown Technical Support Group. Mail: P.O. Box 1000 Elkhart IN 46515-1000 Shipping: 57620 C.R. 105 Elkhart IN 46517 Phone: (800) 342-6939/(219) 294-8200 FAX: (219) 294-8301 CAUTION TO PREVENT ELECTRIC SHOCK DO NOT REMOVE TOP OR BOTTOM COVERS. NO USER SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. DISCONNECT POWER CORD BEFORE REMOVING REAR INPUT MODULE TO ACCESS GAIN SWITCH. AVIS А PRЙVENIR LE CHOC ЙLECTRIQUE N'ENLEVEZ PAS LES COUVERTURES. RIEN DES PARTIES UTILES А L'INTЙRIEUR. DЙBRANCHER LA BORNE AVANT D'OUVRIR LA MODULE EN ARRIИRE. WARNING TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT EXPOSE THIS EQUIPMENT TO RAIN OR MOISTURE! 2 Com-Tech 400 Amplifier Service Manual Table of Contents Introduction ... 4 Parts Information ... 5 Specifications ... 6 Theory ... 7 Electrical Checkout Procedures ... 12 Parts List (Non Module) ... 16 Module and Schematic Information ... 19 Q42762-7 Control Module Parts List ... 20 Q43214-8 Control Module Parts List ... 21 Q43242-9 Control Module Parts List ... 22 Q42706-4 Display Module Parts List ... 23 Q42716-3 Output Module Parts List ... 24 Q42888-0 Output Module Parts List ... 25 Q42969-8 Output Module Parts List ... 26 Q43188-4 Output Module Parts List ... 27 Q43012-6 Main Module Parts List ... 28 Q43043-1 Main Module Parts List ... 31 Q43129-8 Main Module Parts List ... 34 Q43238-7 Main Module Parts List ... 37 3 Com-Tech 400 Amplifier Service Manual Introduction This manual contains service information on Crown power amplifiers. It is designed to be used in conjunction with the applicable Owner's Manual. However, some important information is duplicated in this Service Manual in case the Owner's Manual is not readily available. NOTE: THE INFORMATION IN THIS M