POWER AMPLIFIERSERVICE MANUAL130446-102-00Rev. AMacro-Tech®© 2000 by Crown International, Inc., P.O. Box 1000, Elkhart, Indiana 46515-1000 U.S.A.Telep
MA-5002VZ Service Manual2-2 Specifications130446-1 Rev. A©2000 Crown International, Inc.Figure 2.1 DimensionsDC Output Offset: ±10 millivolts.Output S
MA-5002VZ Service Manual9-26 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-27130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
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MA-5002VZ Service Manual130446-1 Rev. A©2000 Crown International, Inc.Module Parts 9-29125903-4 PWA Component Map(Component Side)
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Module Parts 9-31130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
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Module Parts 9-35130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
Specifications 2-3130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Figure 2.3 Typical Frequency ResponseFigure 2.4 Typical Dampin
MA-5002VZ Service Manual9-36 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-37130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-38 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
MA-5002VZ Service Manual130446-1 Rev. A©2000 Crown International, Inc.Module Parts 9-39127488-2 PWA Component Map(Component Side)
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Module Parts 9-41130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
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MA-5002VZ Service Manual9-46 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-47130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-48 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
MA-5002VZ Service Manual130446-1 Rev. A©2000 Crown International, Inc.Module Parts 9-49Q42929-2 PWA Component Map(Component Side)
MA-5002VZ Service Manual 130446-1 Rev. A©2000 Crown International, Inc.9-50 Module PartsThis Page Intentionally Left Blank
Module Parts 9-51130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, IncCapacitorsC513 0.022 µfd C 5671-0C521 0.022 µfd C 5671-0DiodesD5
MA-5002VZ Service Manual9-52 Module Parts130446-1 Rev. A©2000 Crown International, Inc.PWA Q42934-2 Component Map (Component Side)
Module Parts 9-53130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, IncQ42935-9 Positive Emitter PWA CircuitDesignationComponentDes
MA-5002VZ Service Manual9-54 Module Parts130446-1 Rev. A©2000 Crown International, Inc.PWA Q42935-9 Component Map (Component Side)
Module Parts 9-55130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
Voltage Conversion 3-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.3 Voltage ConversionINSTRUCTIONSCAUTION: Because there is
MA-5002VZ Service Manual9-56 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-57130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-58 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-59130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, IncPWA Q43293-2 Component Map (Component Side)
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Module Parts 9-61130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-62 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-63130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-64 Module Parts130446-1 Rev. A©2000 Crown International, Inc.PWA Q43294-0 Component Map (Component Side)
Schematics 10-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc10 Schematics102396125901128112128273J0488-7J0491-1The schematics
MA-5002VZ Service Manual3-2 Voltage Conversion130446-1 Rev. A©2000 Crown International, Inc.CAUTION: To reduce the risk of fire,replace F700, F701, &a
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Circuit Theory 4-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.4 Circuit Theory4.1 OverviewIt should be noted that over time
MA-5002VZ Service Manual4-2 Circuit Theory130446-1 Rev. A©2000 Crown International, Inc.Figure 4.1 Simplified Grounded Bridgeby the output stages rat
Circuit Theory 4-3130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.full (negative) potential developed by the power sup-ply.The t
MA-5002VZ Service Manual4-4 Circuit Theory130446-1 Rev. A©2000 Crown International, Inc.4.3 VZ Power SupplyVZ means Variable Impedance and is the name
Circuit Theory 4-5130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Figure 4.3 Simplified VZ Supply in Operation+–+Vcc (Positive R
MA-5002VZ Service ManualII130446-1 Rev. A©2000 Crown International, Inc.À PRÉVENIR LE CHOCÉLECTRIQUE N’ENLEVEZPAS LES COUVERTURES.RIEN DES PARTIESUTIL
MA-5002VZ Service Manual4-6 Circuit Theory130446-1 Rev. A©2000 Crown International, Inc.U702A. S700, physically accessible from behind thefront grille
Circuit Theory 4-7130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.ODEP Inputs:Temperature±VCCOutput CurrentODEP Outputs:Calibrat
MA-5002VZ Service Manual4-8 Circuit Theory130446-1 Rev. A©2000 Crown International, Inc.ing to case, and case to heatsink under both static anddynamic
Circuit Theory 4-9130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.signal information. An error signal (spike) is producedany tim
MA-5002VZ Service Manual4-10 Circuit Theory130446-1 Rev. A©2000 Crown International, Inc.As this occurs, all op-amps in the amplifier receivepower, in
Circuit Theory 4-11130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.The output of U701A controls the Soft-start. Refer toFigure 4
MA-5002VZ Service Manual4-12 Circuit Theory130446-1 Rev. A©2000 Crown International, Inc.shutdown. A low will also cause the DC/LF red LED onthe main
Circuit Theory 4-13130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.4.6.8 Power LossThe MA-5002VZ has the ability to sense a “bro
MA-5002VZ Service Manual4-14 Circuit Theory130446-1 Rev. A©2000 Crown International, Inc.is balanced, and channel 1 hot output is connected toload hot
Maintenance 5-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.5.1 Cautions and WarningsDANGER: The outputs of this amplifier c
III130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Revision HistoryRevision NumberDateCommentsRev. A02-2000 Initial Printing
MA-5002VZ Service Manual5-2 Maintenance130446-1 Rev. A©2000 Crown International, Inc.partial, if not complete, repair before power is ever ap-plied. T
Maintenance 5-3130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Indicator ConditionODEP One OFFSPI/IOC Both OFFILOAD/ILIMIT Both
MA-5002VZ Service Manual5-4 Maintenance130446-1 Rev. A©2000 Crown International, Inc.5.4 Test ProceduresThe following test procedures are to be used
Maintenance 5-5130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Type of Test Input Signal and Commentsor Adjustment Load Paramet
MA-5002VZ Service Manual5-6 Maintenance130446-1 Rev. A©2000 Crown International, Inc.Bias voltage is set while the amplifier is at room tem-perature.
Maintenance 5-7130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.WARNING: Many of the following checks are done by connecting a r
MA-5002VZ Service Manual5-8 Maintenance130446-1 Rev. A©2000 Crown International, Inc.10. Parallel Mono 1-kHz Sine WaveNo Load11. Current Sense Balance
Maintenance 5-9130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.With the amplifier powered from a variac, increaseAC mains line
MA-5002VZ Service Manual5-10 Maintenance130446-1 Rev. A©2000 Crown International, Inc.Type of Test Input Signal and Commentsor Adjustment Load Paramet
Maintenance 5-11130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Type of Test Input Signal and Commentsor Adjustment Load Parame
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MA-5002VZ Service Manual5-12 Maintenance130446-1 Rev. A©2000 Crown International, Inc.Type of Test Input Signal and Commentsor Adjustment Load Paramet
Maintenance 5-13130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Type of Test Input Signal and Commentsor Adjustment Load Parame
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Parts 6-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.6.1 General InformationReplacement parts for this Crown amplifier can
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MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-1©2000 Crown International, Inc.7.1 General InformationThis chapter includes a mechanica
MA-5002VZ Service Manual 130446-1 Rev A7-2 Exploded View Parts©2000 Crown International, Inc.Figure 7.1 Main Chassis Exploded View
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-3©2000 Crown International, Inc.7.1 Main Chassis AssemblyNotesItem # QTY Part Number Des
MA-5002VZ Service Manual 130446-1 Rev A7-4 Exploded View Parts©2000 Crown International, Inc.Figure 7.2 Front Chassis Assembly
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-5©2000 Crown International, Inc.7.2 Front Chassis Assembly1 1 F12701-3 Chassis2 4 A10089
V130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.Table of Contents1 Introduction ...
MA-5002VZ Service Manual 130446-1 Rev A7-6 Exploded View Parts©2000 Crown International, Inc.Figure 7.3 Middle Chassis Assembly
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-7©2000 Crown International, Inc.7.3 Middle Chassis AssemblyNotesItem # QTY Part Number D
MA-5002VZ Service Manual 130446-1 Rev A7-8 Exploded View Parts©2000 Crown International, Inc.Figure 7.4 Rear Chassis Assembly
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-9©2000 Crown International, Inc.7.4 Rear Chassis Assembly1 1 F12176J7 Top Cover2 - --- M
MA-5002VZ Service Manual 130446-1 Rev A7-10 Exploded View Parts©2000 Crown International, Inc.Figure 7.5 Chassis Divider (Fan) AssemblyAIR FLOW15234
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-11©2000 Crown International, Inc.7.5 Chassis Divider (Fan) Assembly1 1 100111-1 Divider
MA-5002VZ Service Manual 130446-1 Rev A7-12 Exploded View Parts©2000 Crown International, Inc.Figure 7.6 Transformer Assembly11415107243566891611121
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-13©2000 Crown International, Inc.7.6 Transformer Assembly1 4 C10332-2 Bridge Rectifier,
MA-5002VZ Service Manual 130446-1 Rev A7-14 Exploded View Parts©2000 Crown International, Inc.Figure 7.7 Channel 1 Bi-Level Switch Assembly
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-15©2000 Crown International, Inc.7.7 Ch 1 Bi-Level Switch Assembly (M46665-2)1 2 D 7882-
MA-5002VZ Service ManualVI130446-1 Rev. A©2000 Crown International, Inc.5 Maintenance...
MA-5002VZ Service Manual 130446-1 Rev A7-16 Exploded View Parts©2000 Crown International, Inc.Figure 7.8 Channel 2 Bi-Level Switch Assembly
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-17©2000 Crown International, Inc.7.8 Ch 2 Bi-Level Switch Assembly (M46664-5)NotesDescri
MA-5002VZ Service Manual 130446-1 Rev A7-18 Exploded View Parts©2000 Crown International, Inc.Figure 7.9 PIP Terminator Shelf Assembly
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-19©2000 Crown International, Inc.7.9 PIP Terminator Shelf AssemblyNotesItem # QTY Part N
MA-5002VZ Service Manual 130446-1 Rev A7-20 Exploded View Parts©2000 Crown International, Inc.Figure 7.10 PIP Terminator Shelf Assembly, View "
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-21©2000 Crown International, Inc.Figure 7.11 Main Module Tray Assembly7.11 Main Board T
MA-5002VZ Service Manual 130446-1 Rev A7-22 Exploded View Parts©2000 Crown International, Inc.Figure 7.12 Output Assembly
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-23©2000 Crown International, Inc.7.12 Output Assembly(Channels 1 & 2 Identical)Notes
MA-5002VZ Service Manual 130446-1 Rev A7-24 Exploded View Parts©2000 Crown International, Inc.Figure 7.13 Wiring Diagram #1
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-25©2000 Crown International, Inc.Figure 7.14 Wiring Diagram #2
Introduction 1-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.1.1 IntroductionThis manual contains complete service informatio
MA-5002VZ Service Manual 130446-1 Rev A7-26 Exploded View Parts©2000 Crown International, Inc.Figure 7.15 Wiring Diagram #3
MA-5002VZ Service Manual130446-1 Rev AExploded View Parts 7-27©2000 Crown International, Inc.Interconnect CablesJ2A D 9236-7 20 Wire Ribbon Cable PIP
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Module and Schematic Information 8-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.8.1 General InformationThe schematics refer
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Module Parts 9-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc9 Module Parts9.1 General InformationThis chapter includes elec
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Module Parts 9-3130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-4 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-5130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual1-2 Introduction130446-1 Rev. A©2000 Crown International, Inc.Figure 1.1 MA-5002VZ Front and Rear Views
MA-5002VZ Service Manual9-6 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-7130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-8 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-9130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
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Module Parts 9-11130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-12 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-13130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-14 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-15130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
Specifications 2-1130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc.SpecificationsThe following applies to 120-VAC, 60-Hz units in
MA-5002VZ Service Manual9-16 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-17130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-18 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-19130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-20 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-21130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-22 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-23130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
MA-5002VZ Service Manual9-24 Module Parts130446-1 Rev. A©2000 Crown International, Inc.
Module Parts 9-25130446-1 Rev. AMA-5002VZ Service Manual©2000 Crown International, Inc
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