Crown CROWN K Series Wartungshandbuch

Service ManualKSVCK1K203/98Rev. AK SERIESK SERIESK SERIESK SERIESK SERIESPROFESSIONAL AUDIO AMPLIFIERSPROFESSIONAL AUDIO AMPLIFIERSPROFESSIONAL AUDIO

K Series Service Manual Rev A.1-2 Introduction©1999 Crown International, Inc.1.3 Repair StrategyThe Balanced Current Amplifier technology rings in an

K Series Service Manual Rev A.9-54 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-55©1999 Crown International, Inc.

K Series Service Manual Rev A.9-56 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-57©1999 Crown International, Inc.

K Series Service Manual Rev A.9-58 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-59©1999 Crown International, Inc.

K Series Service Manual Rev A.9-60 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-61©1999 Crown International, Inc.

K Series Service Manual Rev A.9-62 Module Parts©1999 Crown International, Inc.102176-2 PWA Component Map (Component Side of Module)

K Series Service ManualRev A.Module Parts 9-63©1999 Crown International, Inc.

K Series Service ManualRev A. Introduction 1-3©1999 Crown International, Inc.Figure 1.2 Service Procedure Flow Chart

K Series Service Manual Rev A.9-64 Module Parts©1999 Crown International, Inc.View of Inductor Pair, CPN H43507-5, for Output Assembly CPN 102175-2

K Series Service ManualRev A.Module Parts 9-65©1999 Crown International, Inc.

K Series Service Manual Rev A.9-66 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-67©1999 Crown International, Inc.

K Series Service Manual Rev A.9-68 Module Parts©1999 Crown International, Inc.This Page Intentionally Left Blank

K Series Service ManualRev A.Schematics 10-1©1999 Crown International, Inc.10 Schematic DiagramsThe schematics referenced and provided are represen-t

K Series Service Manual Rev A.10-2 Schematics©1999 Crown International, Inc.This Page Intentionally Left Blank

K Series Service Manual Rev A.1-4 Introduction©1999 Crown International, Inc.This page intentionally left blank

K Series Service ManualRev A.Specifications 2-1©1999 Crown International, Inc.All specifications relate to both Export and Domesticunits, regardless

K Series Service Manual Rev A.2-2 Specifications©1999 Crown International, Inc.Out–of–band low–pass and high–pass filters protectthe amplifier and lo

K Series Service ManualRev A.Theory 3-1©1999 Crown International, Inc.3 Theory3.0 OverviewThis section of the manual explains the general op-eration

K Series Service Manual Rev A.3-2 Theory©1999 Crown International, Inc.c. T1 secondary#2: After rectification (D14 and D15)and filtering (C29 and C3

K Series Service ManualRev A.Theory 3-3©1999 Crown International, Inc.gates. This results in disrupting of the signal path.The output of U101 is bala

K Series Service Manual Rev A.3-4 Theory©1999 Crown International, Inc.plifiers are incorporated with a current limiting pro-tection circuit. The out

K Series Service ManualRev A.Theory 3-5©1999 Crown International, Inc.3.16 Crowbar CircuitU13B and U13C form the DC protection comparatorcircuitry. R

K Series Service Manual Rev. A©1999 Crown International, Inc.The information furnished in this manual does not include all of the details of design,

K Series Service Manual Rev A.3-6 Theory©1999 Crown International, Inc.This Page Intentionally Left Blank

K Series Service ManualRev A.Line Voltage Conversion 4-1©1999 Crown International, Inc.P12P13D2C2R1P8P9P10P11P4K11P6L1D1C1C3P5P7147369L2112584.1 Line

K Series Service Manual Rev A.4-2 Line Voltage Conversion©1999 Crown International, Inc.This page intentionally left blank

K Series Service ManualRev A.Maintenance 5-1©1999 Crown International, Inc.5.1 Where to BeginEffective repair involves three basic steps: 1) Deter-m

K Series Service Manual Rev A.5-2 Maintenance©1999 Crown International, Inc.5.2.2 Power Supply DischargeBefore any connectors and PWAs are removed,

K Series Service ManualRev A.Maintenance 5-3©1999 Crown International, Inc.5.2.4 Front Panel Assembly RemovalThe front panel assembly is removed to

K Series Service Manual Rev A.5-4 Maintenance©1999 Crown International, Inc.2. Remove the P2 ribbon cable from the Input PWA.3. Using a needle nose p

K Series Service ManualRev A.Maintenance 5-5©1999 Crown International, Inc.2. Clip the tie wrap which holds the orange and purplewires to the Transf

K Series Service Manual Rev A.5-6 Maintenance©1999 Crown International, Inc.5.3 TroubleshootingAs mentioned earlier, the three steps to effective re

K Series Service ManualRev A.Maintenance 5-7©1999 Crown International, Inc.the Main PWA). Using the chassis as the ground refer-ence, pin 3 is +15VDC

K Series Service ManualRev. A©1999 Crown International, Inc.Revision HistoryRevision NumberDateChangesNoneRev. A3-986-99IIInitial PrintingAdded Revi

K Series Service Manual Rev A.5-8 Maintenance©1999 Crown International, Inc.of inrush current at turn on. Check the PTC (R1) on theControl PWA. It sh

K Series Service ManualRev A.Maintenance 5-9©1999 Crown International, Inc.All tests assume that AC power is from a regulatedsource at the voltage th

K Series Service Manual Rev A.5-10 Maintenance©1999 Crown International, Inc.5.5.5 Frequency ResponseSpec: ±0.25 dB from 20 Hz to 20 kHz.Procedure:

K Series Service ManualRev A.Maintenance 5-11©1999 Crown International, Inc.5.5.11 Post Test SettingsAfter completion of testing, if all tests are s

K Series Service Manual Rev A.5-12 Maintenance©1999 Crown International, Inc.This page intentionally left blank

K Series Service ManualRev A.Parts 6-1©1999 Crown International, Inc.6.1 General InformationThis chapter includes both a mechanical and electricalpa

K Series Service Manual Rev A.6-2 Parts©1999 Crown International, Inc.This Page Intentionally Left Blank

K Series Service ManualRev A.Exploded View Parts 7-1©1999 Crown International, Inc.7.1 General InformationThis chapter includes a mechanical part li

K Series Service Manual Rev A.7-2 Exploded View Parts©1999 Crown International, Inc.Figure 7.1 View of Main Chassis from BottomChassisMain Wiring Har

K Series Service ManualRev A.Exploded View Parts 7-3©1999 Crown International, Inc. Description Part # (CPN) Qty. NotesChassis 102226-X 1Front Pa

K Series Service Manual Rev. A©1999 Crown International, Inc.This page intentionally left blankIII

K Series Service Manual Rev A.7-4 Exploded View Parts©1999 Crown International, Inc.Figure 7.2 Front Panel Assembly Exploded View

K Series Service ManualRev A.Exploded View Parts 7-5©1999 Crown International, Inc.Item # Description Part # (CPN) Qty. Notes7.3 Front Panel Assembl

K Series Service Manual Rev A.7-6 Exploded View Parts©1999 Crown International, Inc.Figure 7.3 Back Panel Assembly Exploded View

K Series Service ManualRev A.Exploded View Parts 7-7©1999 Crown International, Inc.1 Back Panel, K2 101085-X 11 Back Panel, K1 102013-X 12 Main PCA 1

K Series Service Manual Rev. A©1999 Crown International, Inc.8.1 General InformationSince the introduction of the K Series amplifiers therehave been s

K Series Service ManualRev. A©1999 Crown International, Inc.K2100438-1Output PWA built on 100437-1 PWB.100438-2Output PWA built on 100437-2 PWB. Repl

K Series Service Manual Rev. A©1999 Crown International, Inc.This page left intentionally blankModule and Schematic Information 8-3

K Series Service ManualRev A.Module Parts 9-1©1999 Crown International, Inc.9.1 General InformationThis chapter includes electrical parts lists for

K Series Service Manual Rev A.9-2 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-3©1999 Crown International, Inc.

K Series Service ManualRev. A©1999 Crown International, Inc.Table of ContentsIV1 Introduction ...

K Series Service Manual Rev A.9-4 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-5©1999 Crown International, Inc.

K Series Service Manual Rev A.9-6 Module Parts©1999 Crown International, Inc.100438-3 Component Map (Component Side of Module)

K Series Service ManualRev A.Module Parts 9-7©1999 Crown International, Inc.

K Series Service Manual Rev A.9-8 Module Parts©1999 Crown International, Inc.View of Inductor Pair, CPN H43507-5, for Output Assembly CPN 101554

K Series Service ManualRev A.Module Parts 9-9©1999 Crown International, Inc.

K Series Service Manual Rev A.9-10 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-11©1999 Crown International, Inc.

K Series Service Manual Rev A.9-12 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-13©1999 Crown International, Inc.

K Series Service Manual Rev. A©1999 Crown International, Inc.Table of ContentsV5.2.1 Cover Removal ...

K Series Service Manual Rev A.9-14 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-15©1999 Crown International, Inc.

K Series Service Manual Rev A.9-16 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-17©1999 Crown International, Inc.

K Series Service Manual Rev A.9-18 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-19©1999 Crown International, Inc.

K Series Service Manual Rev A.9-20 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-21©1999 Crown International, Inc.

K Series Service Manual Rev A.9-22 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-23©1999 Crown International, Inc.

K Series Service ManualRev. A©1999 Crown International, Inc.VITable of Contents8 Module and Schematic Information ...

K Series Service Manual Rev A.9-24 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-25©1999 Crown International, Inc.

K Series Service Manual Rev A.9-26 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-27©1999 Crown International, Inc.

K Series Service Manual Rev A.9-28 Module Parts©1999 Crown International, Inc.This Page Intentionally Left Blank

K Series Service ManualRev A.Module Parts 9-29100497-5 PWA Component Map (Component Side)

K Series Service Manual Rev A.9-30 Module PartsThis Page Intentionally Left Blank

K Series Service ManualRev A.Module Parts 9-31©1999 Crown International, Inc.

K Series Service Manual Rev A.9-32 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-33©1999 Crown International, Inc.

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K Series Service Manual Rev A.9-34 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-35©1999 Crown International, Inc.

K Series Service Manual Rev A.9-36 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-37©1999 Crown International, Inc.

K Series Service Manual Rev A.9-38 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-39©1999 Crown International, Inc.100524-6 PWA Component Map (Component Side)

K Series Service Manual Rev A.9-40 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-41©1999 Crown International, Inc.

K Series Service Manual Rev A.9-42 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-43©1999 Crown International, Inc.

K Series Service ManualRev A. Introduction 1-1©1999 Crown International, Inc.1.1 IntroductionThis manual contains complete service informationon the

K Series Service Manual Rev A.9-44 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-45©1999 Crown International, Inc.

K Series Service Manual Rev A.9-46 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-47©1999 Crown International, Inc.

K Series Service Manual Rev A.9-48 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-49©1999 Crown International, Inc.

K Series Service Manual Rev A.9-50 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-51©1999 Crown International, Inc.101809-4 PWA Component Map (Component Side)

K Series Service Manual Rev A.9-52 Module Parts©1999 Crown International, Inc.

K Series Service ManualRev A.Module Parts 9-53©1999 Crown International, Inc.