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Crown service manual POWER BASE-1 & 460CSL, Power Amplifier, Elkhart, IN U.S.A, K-SVCPB1

Models: 460CSL

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POWER AMPLIFIER

SERVICE MANUAL

POWER BASE-1®& 460CSL™

Mailing Address:	Shipping Address:
P.O. Box 1000	57620 C.R. 105
Elkhart, IN U.S.A. 46515-1000	Elkhart, IN U.S.A. 46517

CSL™ is a trademark and Power Base-1,®ODEP® and Crown® are registered trademarks of Crown International, Inc.

K-SVCPB1

1-95

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Crown service manual POWER BASE-1 & 460CSL, Power Amplifier, Elkhart, IN U.S.A, K-SVCPB1, Mailing Address, P.O. Box

Contents

POWER AMPLIFIER POWER BASE-1 & 460CSLElkhart, IN U.S.A Elkhart, IN U.S.AAVIS Table of Contents Introduction WARRANTYSCOPE CrownGENERAL INFORMATION PartsPART NUMBERING SYSTEMS STANDARD AND SPECIAL PARTSPOWER SpecificationsPERFORMANCE MECHANICALVoltage Conversion Theory FEATURESOVERVIEW FRONT END OPERATIONTheory Error AmpVOLTAGE AMPLIFICATION Voltage TranslatorsTheory GROUNDED BRIDGE TOPOLOGYHigh Side HS Theory OUTPUT DEVICE EMULATION PROTECTION ODEPLow Side LS Theory TEST 2 OUTPUT BIAS ADJUSTMENT Checkout ProceduresTEST 3 ODEP VOLTAGE ADJUSTMENT STANDARD INITIAL CONDITIONSTEST 7 PHASE RESPONSE TEST 4 AC POWER DRAWTEST 12 OUTPUT POWER TEST 5 COMMON MODE REJECTIONPOST TESTING TEST 16 SIGNAL TO NOISE RATIOTEST 14 ODEP LIMITING TEST 15 LF PROTECTIONCheckout Procedures FUSE BOARD ASSEMBLY FANFORMER MECHANICAL ASSEMBLYLED ASSEMBLY Mechanical Non-ModulePartsBACK PANEL ASSEMBLY OUTPUT ASSEMBLY ONE PER CHANNELCHASSIS FRONT ASSEMBLY Mechanical Non-ModulePartsMechanical Non-ModuleParts MAIN CHASSIS ASSEMBLYMODULE HISTORY Module InformationOUTPUT MODULES MAIN MODULESCAPACITORS Q42576-1Output Module Parts List P10137-1BoardDIODES INDUCTORSCAPACITORS Q42661-1Output Module Parts List P10137-1BoardDIODES INDUCTORSCAPACITORS Q42718-9Output Module Parts List P10233-8BoardDIODES INDUCTORSCAPACITORS Q42885-6Output Module Parts List P10305-4BoardDIODES INDUCTORSCAPACITORS Q42967-2Output Module Parts List P10341-9BoardDIODES INDUCTORSCAPACITORS Q43200-7Output Module Parts List P10397-1BoardDIODES INDUCTORSNETWORK RESISTORS Q42552A0 Main Module Parts List D 6304B2 BoardCAPACITORS DIODESIC’S SWITCHESQ42552A0 Main Module Parts List D 6304B2 Board MISCCAPACITORS Q42664-5Main Module Parts List D 6910-0BoardDIODES NETWORK RESISTORSSWITCHES Q42664-5Main Module Parts List D 6910-0BoardIC’S MISCCAPACITORS Q42682-7Main Module Parts List D 6910-0BoardDIODES NETWORK RESISTORSQ42682-7Main Module Parts List D 6910-0Board INTERCONNECTSSWITCHES RESISTORSMISC Q42682-7Main Module Parts List D 6910-0BoardBOARD CAPACITORS Q42776-7Main Module Parts List D 7251-8BoardDIODES NETWORK RESISTORSSWITCHES Q42776-7Main Module Parts List D 7251-8BoardRESISTORS IC’SINTERCONNECTS Q42776-7Main Module Parts List D 7251-8BoardMISC HEADER 5 PINCAPACITORS Q42953-2Main Module Parts List D 7251-8BoardDIODES TRANSISTORSSWITCHES Q42953-2Main Module Parts List D 7251-8BoardRESISTORS IC’SMISC Q42953-2Main Module Parts List D 7251-8BoardBoard CAPACITORS Q43060-5Main Module Parts List D 7993-5BoardDIODES TRANSISTORSRESISTORS Q43060-5Main Module Parts List D 7993-5BoardQ119 SWITCHES Q43060-5Main Module Parts List D 7993-5BoardIC’S MISC

POWER AMPLIFIER

SERVICE MANUAL

POWER BASE-1®& 460CSL™

Elkhart, IN U.S.A. 46515-1000

K-SVCPB1