Crown CE-1000A - Table of Contents

CE Series Service Manual
Rev. D
Table of Contents
IV
1 Introduction .............................................................................. 1-1
1.1 The CE-Series .................................................................. 1-1
1.2 Warranty ........................................................................... 1-1
1.3 Specifications .................................................................. 1-2
1.3.1 Performance ............................................................ 1-2
1.3.2 Power ....................................................................... 1-2
1.3.3 Controls ................................................................... 1-2
1.3.4 Indicators ................................................................. 1-2
1.3.5 Input/Output ............................................................. 1-2
1.3.6 Connectors .............................................................. 1-2
1.3.7 Construction ............................................................ 1-2
2 Maintenance............................................................................. 2-1
2.1 Surface Mount Technology .............................................. 2-1
2.2 Cautions and Warnings.................................................... 2-1
2.3 Troubleshooting ............................................................... 2-1
2.3.1 Pre-AC-Checks........................................................ 2-1
2.3.2 Main Module Removal ............................................. 2-2
2.3.3 Static Checks .......................................................... 2-2
2.4 Checkout/Adjustment Procedures ................................... 2-2
2.4.1 Equipment Required ................................................ 2-3
2.4.2 Initial Conditions ...................................................... 2-3
2.4.3 Test Procedure......................................................... 2-3
2.4.4 Service Kit Wire Extensions ..................................... 2-3
3 Circuit Theory ........................................................................... 3-1
3.1 Front End Operation......................................................... 3-1
3.2 Balanced Gain Stage ....................................................... 3-1
3.3 Variable Gain Stage ......................................................... 3-1
3.4 Error Amp ......................................................................... 3-2
3.5 Voltage Amplification ....................................................... 3-2
3.5.1 Voltage Translator .................................................... 3-2
3.5.2 Last Voltage Amplifier .............................................. 3-2
3.5.3 Bias Servo ............................................................... 3-2
3.2.2 Output PCA ............................................................. 3-3
3.6 Output Topology .............................................................. 3-2
3.6.1 Pre-Driver ................................................................ 3-3
3.6.2 Driver ....................................................................... 3-3
3.6.3 Output Devices ........................................................ 3-3
3.6.4 Flyback Diodes ........................................................ 3-3
3.6.5 Output Terminating Network .................................... 3-3
3.7 Power Supply ................................................................... 3-3
3.7.1 Low Voltage Supply ................................................. 3-3
3.7.2 Bootstrap Supply ..................................................... 3-3
3.7.3 High Voltage Supply ................................................ 3-4