Crown M120 Manuals

Manuals and User Guides for Crown M120. We have 2 Crown M120 manuals available for free PDF download: Service Manual, Operation Manual

Crown M120 Service Manual (581 pages)

CE SERIES PROFESSIONAL AUDIO AMPLIFIERS

Brand: Crown | Category: Amplifier | Size: 16.46 MB

Service Manual
1
Table of Contents
5
Technical Information
9
The CE-Series
11
CE 2000 Front and Back Panels
11
1 Introduction

11
- Warranty
  11
- Specifications
  12
  - Performance
    12
  - Power
    12
  - Controls
    12
  - Indicators
    12
  - Input/Output
    12
  - Connectors
    12
  - Construction
    12
    
    Dimensions
    13
    
    Weight
    13
2 Maintenance

14
- Surface Mount Technology
  14
- Cautions and Warnings
  14
- Troubleshooting
  14
  - Pre-AC-Checks
    14
  - Main Module Removal
    15
  - Static Checks
    15
- Checkout/Adjustment Procedures
  15
  - Equipment Required
    16
  - Initial Conditions
    16
  - Test Procedure
    16
  - Service Kit Wire Extensions
    16
    
    CE 1000 with Main Module Removed and Service Kit Installed
    17
    
    Bridge MONO
    19
3 Circuit Theory

23
- Front End Operation
  23
  - Balanced Gain Stage (BGS)
    23
  - Variable Gain Stage (VGS)
    23
- Error Amp
  24
- Voltage Amplification
  24
  - Voltage Translator
    24
- Output Topology
  24
  - Last Voltage Amplifier
    24
  - Bias Servo
    24
  - Pre-Driver
    25
  - Driver
    25
  - Output Devices
    25
  - Flyback Diodes
    25
  - Output Terminating Network
    25
- Power Supply
  25
  - Low Voltage Supply
    25
  - Bootstrap Supply
    25
  - High Voltage Supply
    26
  - Constant Current Source
    26
- Protection Circuitry
  26
  - Time Dependent VI Limit
    26
  - Temperature Protection
    27
  - Low-Frequency and Short-Circuit Protection
    27
  - Input Compressor
    27
  - Turn-On Delay
    28
  - Output Relay Muting
    28
  - Input Muting
    28
  - Auxiliary Output Jack
    28
- Fan Control Circuitry
  28
4 Neutrik Connectors

29
- Order of Assembly for the Neutrik Speakon NL4FC Connector
  29
- Stereo Output Wiring
  29
- Wiring for the Neutrik Speakon NL4FC Connector
  29
- Detailed Neutrik Speakon NL4FC Connector Assembly
  30
- Component Documentation
  31
- General Information
  33
- Ordering Parts
  33
- Shipment
  33
- Standard and Special Parts
  33
- Terms
  33
6 Exploded Views, Parts Lists

35
7 Module and Schematic Information

78
- Input PWA
  78
- Main Pwas
  78
- Schematic Diagrams
  78
- Module Parts Lists
  81
- Pwa 102139-6
  100
  - Component Map
    100
  - Parts List
    104
- Pwa 102139-8
  121
  - Component Map
    121
- Pwa 102139-9
  142
  - Component Map
    142
- Component Map
  163
- Component Map
  184
- Component Map
  205
- Component Map
  227
- Component Map
  249
- Component Map
  271
- Component Map
  308
- Component Map
  328
- Component Map
  350
- Component Map
  370
- Component Map
  391
- Component Map
  412
- Component Map
  433
- Component Map
  455
- Component Map
  477
- Component Map
  499
- Component Map
  520
- Component Map
  542
  - Field Modifications
    545
  - Timing/Mute Capacitors
    545
  - Bootstrap Resistor Modification
    548
  - Channel 1 Output to Channel 2 Speakon
    549

Crown M120 Operation Manual (28 pages)

Crown Audio Operation Manual Power Amplifier M Series

Brand: Crown | Category: Amplifier | Size: 2.12 MB

Operation Manual
1
Important Safety Instructions
2
Declaration of Conformity
3
Table of Contents
4
1 Welcome

5
- Features
  5
- How to Use this Manual
  5
2 Setup

6
- Unpack Your Amplifier
  6
- Install Your Amplifier
  6
- Ensure Proper Cooling
  6
- Choose Input Wire and Connectors
  7
- Choose Output Wire and Connectors
  7
- Wire Your System
  8
  - Stereo Mode
    8
  - Bridge-Mono Mode
    9
- Connect to AC Mains
  10
- Startup Procedure
  10
3 Operation

11
4 Advanced Features and Options

14
- Crown SST Modules
  14
- Fault Monitoring
  14
- Barrier Block Outputs
  15
- Tamper-Resistant Hole Plugs
  15
- Optional 0.775-V Input Sensitivity Setting
  15
5 Principles of Operation

16
6 Troubleshooting

18
7 Specifications

19
8 Service

21
- International and Canada Service
  21
- US Service
  21
  - Service at a US Service Center
    21
  - Factory Service
    21
  - Factory Service Shipping Instructions
    21
  - Packing Instructions
    21
  - Estimate Approval
    21
  - Payment of Non-Warranty Repairs
    21
9 Warranty

22
- Crown Factory Service Information Form
  25

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More Crown Manuals

Crown M120 Manuals

Crown M120 Service Manual (581 pages)

Table of Contents

1 Introduction

2 Maintenance

3 Circuit Theory

4 Neutrik Connectors

6 Exploded Views, Parts Lists

7 Module and Schematic Information

Crown M120 Operation Manual (28 pages)

Table of Contents

1 Welcome

2 Setup

3 Operation

4 Advanced Features and Options

5 Principles of Operation

6 Troubleshooting

7 Specifications

8 Service

9 Warranty

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