QSC ISA 450 Manuals

Manuals and User Guides for QSC ISA 450. We have 9 QSC ISA 450 manuals available for free PDF download: Technical & Service Manual, User Manual, Specifications, Service Bulletin, Brochure

QSC ISA 450 Technical & Service Manual (142 pages)

ISA Series

Brand: QSC | Category: Amplifier | Size: 13.47 MB

ISA Series Power Amplifiers
3
Technical Service Manual
3
Table of Contents
5
ISA Series Power Amplifiers
5
Technical Service Manual
5
ISA Series Performance Specifications

7
- NOISE (Unweighted 20 Hz to 20 Khz, below Rated Output
  7
- Smpte-IM
  7
- Voltage Gain
  7
- Frequency Response
  7
- Dynamic Headroom
  7
- Distortion
  7
- Damping Factor
  7
- Bridge Mono
  7
- At 10 Db below Rated Output Power
  7
1 Introduction

9
- Restriction of Hazardous Substances Directive (Rohs)
  9
- Service Bulletins
  9
- The Well-Equipped Service Bench
  9
- Working with Surface-Mount Components
  10
- Series Description
  12
  - Outputs for Distributed Lines
    12
- Technical Descriptions and Theory of Operation
  12
  - Power Supplies
    12
  - Audio Circuitry
    12
  - Clip Detection
    13
  - DC Protection
    13
    
    Distortion
    13
    
    Technical Service Manual
    13
    
    ISA Series Power Amplifiers
    13
  - Class H
    14
  - Bridged Mono Operation and Protection
    14
  - Output Transformers and Autoformers
    14
  - Bridge Mono
    14
- ISA1350 Circuitry
  15
  - Class H Step Drivers
    15
  - Bias Circuitry
    15
  - Muting Via the Bias Network
    15
    
    Technical Service Manual
    15
    
    ISA Series Power Amplifiers
    15
  - DC Fault Protection
    16
- Revisions Made During Production
  16
  - ISA750 and ISA800T
    16
2 Component Identification and Pinout

17
3 Troubleshooting: Symptoms, Causes, & Remedies

19
- Excessive Current Draw
  19
  - Symptoms Covered
    19
  - Possible Situations
    19
- Protection, Muting, and Turn-On/Turn-Off Delay Problems
  19
  - Technical Service Manual
    19
  - ISA Series Power Amplifiers
    19
- Faults with Signal Present
  20
  - Symptoms Covered
    20
  - Possible Situations
    20
- Instability
  21
  - Symptoms Covered
    21
  - Possible Situations
    21
- Power Supply & Rail Balancing Problems
  21
  - Distortion
    21
  - Technical Service Manual
    21
  - ISA Series Power Amplifiers
    21
- Table 1: Bias and Current Limit Adjustments
  22
4 ISA Calibration Procedures

23
- Setting Bias
  23
  - Tools and Resources You will Need
    23
  - Procedure
    23
- Setting Positive and Negative Current Limits
  23
- Distortion
  23
5 Servicing ISA Amplifiers

25
- Mechanical Disassembly and Re-Assembly
  25
  - Removing the Channel Modules
    25
  - Removing the AC Board
    25
    
    Technical Service Manual
    25
    
    ISA Series Power Amplifiers
    25
6 Replacement Parts

26
7 Schematics and Diagrams

73
- ISA Series Chassis Assemblies
  73
  - Technical Service Manual
    73
  - ISA Series Power Amplifiers
    73
  - Technical Service Manual
    75
  - ISA Series Power Amplifiers
    75
  - Technical Service Manual
    77
  - ISA Series Power Amplifiers
    77
  - Technical Service Manual
    79
  - ISA Series Power Amplifiers
    79
  - Technical Service Manual
    81
  - ISA Series Power Amplifiers
    81
  - Technical Service Manual
    83
  - ISA Series Power Amplifiers
    83
  - Technical Service Manual
    85
  - ISA Series Power Amplifiers
    85
  - ISA 800Ti
    87
  - Technical Service Manual
    87
  - ISA Series Power Amplifiers
    87
  - ISA 800Ti
    88
  - Technical Service Manual
    89
  - ISA Series Power Amplifiers
    89
  - Technical Service Manual
    91
  - ISA Series Power Amplifiers
    91
  - Technical Service Manual
    93
  - ISA Series Power Amplifiers
    93
  - Technical Service Manual
    95
  - ISA Series Power Amplifiers
    95
- ISA280 (1St Generation) Schematics
  96
  - Technical Service Manual
    97
  - ISA Series Power Amplifiers
    97
- ISA280 (Revised) Schematics
  99
  - Technical Service Manual
    99
  - ISA Series Power Amplifiers
    99
  - Technical Service Manual
    101
  - ISA Series Power Amplifiers
    101
- ISA300T Schematics
  102
  - Technical Service Manual
    103
  - ISA Series Power Amplifiers
    103
- Isa300Ti Schematics
  105
  - Technical Service Manual
    105
  - ISA Series Power Amplifiers
    105
  - Technical Service Manual
    107
  - ISA Series Power Amplifiers
    107
- ISA450 (1St Generation) Schematics
  108
  - Technical Service Manual
    109
  - ISA Series Power Amplifiers
    109
- ISA450 (Revised) Schematics
  111
  - Technical Service Manual
    111
  - ISA Series Power Amplifiers
    111
  - Technical Service Manual
    113
  - ISA Series Power Amplifiers
    113
- ISA500T Schematics
  114
  - Bridge Mono
    114
  - Technical Service Manual
    115
  - ISA Series Power Amplifiers
    115
- Isa500Ti Schematics
  117
  - Technical Service Manual
    117
  - ISA Series Power Amplifiers
    117
  - Technical Service Manual
    119
  - ISA Series Power Amplifiers
    119
- ISA750 (1St Generation) Schematics
  120
  - Technical Service Manual
    121
  - ISA Series Power Amplifiers
    121
- ISA750 (Revised) Schematics
  123
  - Technical Service Manual
    123
  - ISA Series Power Amplifiers
    123
  - Technical Service Manual
    125
  - ISA Series Power Amplifiers
    125
- ISA800T Schematics
  126
  - Bridge Mono
    126
  - Technical Service Manual
    127
  - ISA Series Power Amplifiers
    127
- Isa800Ti Schematics
  129
  - Technical Service Manual
    129
  - ISA Series Power Amplifiers
    129
  - Technical Service Manual
    131
  - ISA Series Power Amplifiers
    131
- ISA750, ISA800T, Isa800Ti Component Locations
  132
  - Technical Service Manual
    133
  - ISA Series Power Amplifiers
    133
- ISA1350 Schematics
  134
  - Technical Service Manual
    135
  - ISA Series Power Amplifiers
    135
  - Technical Service Manual
    137
  - ISA Series Power Amplifiers
    137
- ISA1350 Component Locations
  138
  - Technical Service Manual
    139
  - ISA Series Power Amplifiers
    139

QSC ISA 450 User Manual (40 pages)

ISA Series Installed Sound Amplifiers

Brand: QSC | Category: Amplifier | Size: 2.71 MB

Explanation of Symbols
2
Fcc Interference Statement
2
Important Safety Precautions
2
Table of Contents
3
Introduction

4
Features & Setup

6
- Power Switch
  6
- Cooling Air Inlet and Exhaust Vents
  6
- LED Indicators
  7
- Gain Controls
  8
- Input Jacks
  8
- Dataport V2 Connector
  9
  - Daisy Chaining to Other Devices from the Dataport V2
    9
- Stereo & Parallel Operating Modes
  10
  - DIP Switch Settings
    11
- Bridge Mono Operating Mode
  12
  - DIP Switch Settings
    12
- Low Frequency Filter
  13
  - DIP Switch Settings
    13
- Frequency Response Curves
  14
- Clip Limiter
  15
  - DIP Switch Settings
    15
Installation

16
- Rack Mounting
  16
- Mounting Dimensions
  16
- Cooling Requirements
  17
- AC Mains (AC Power)
  17
Connections

18
Operation

26
Applications

30
- Multiple Low Impedance Loads in Series or Parallel Connections
  30
- Dataport V2 Application Information
  32
Troubleshooting

33
Specifications

35
Warranty Information

39
How to Contact Qsc Audio Products

39

QSC ISA 450 User Manual (56 pages)

Installed Sound Professional Audio Amplifiers

Brand: QSC | Category: Amplifier | Size: 3.79 MB

Isa 800Ti
1
Rack Mounting
4
Setting the Mode Switches
4
Setting Clip Limiters
4
Selecting Stereo, Parallel, or Bridge Mode
5
Setting Low Frequency Filters
5
Direct Low Impedance Outputs
6
Led Indicators
8
Gain Controls
8
Specifications (All Models)
9
Montaje en Bastidor
15
Indicadores LED
19
Controles de Ganancia
19
Alimentation Secteur
26
Commandes de Gain
30
LED-Anzeigen
41

QSC ISA 450 User Manual (13 pages)

Installed Sound Professional Audio Amplifiers

Brand: QSC | Category: Amplifier | Size: 0.91 MB

QSC ISA 450 User Manual (12 pages)

Brand: QSC | Category: Amplifier | Size: 4.36 MB

QSC ISA 450 Specifications (6 pages)

Current Draw—120 VAC

Brand: QSC | Category: Amplifier | Size: 0.12 MB

QSC ISA 450 Service Bulletin (4 pages)

ISA Turn-on Hangup

Brand: QSC | Category: Amplifier | Size: 0.63 MB

QSC ISA 450 Specifications (2 pages)

ISA Series Professional Power Amplifiers

Brand: QSC | Category: Amplifier | Size: 0.18 MB

QSC ISA 450 Brochure (1 page)

Amplifier Brochure

Brand: QSC | Category: Amplifier | Size: 0.08 MB

QSC Categories

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More QSC Manuals

QSC ISA 450 Manuals

Table of Contents

ISA Series Performance Specifications

1 Introduction

2 Component Identification and Pinout

3 Troubleshooting: Symptoms, Causes, & Remedies

4 ISA Calibration Procedures

5 Servicing ISA Amplifiers

6 Replacement Parts

7 Schematics and Diagrams

Table of Contents

Introduction

Features & Setup

Installation

Connections

Operation

Applications

Troubleshooting

Specifications

Warranty Information

How to Contact Qsc Audio Products

Table of Contents

Table of Contents

Related Products

QSC Categories