SRS Labs SR785 Manuals

Manuals and User Guides for SRS Labs SR785. We have 1 SRS Labs SR785 manual available for free PDF download: Service Manual

SRS Labs SR785 Service Manual

SRS Labs SR785 Service Manual (125 pages)

Dynamic Signal Analyzer

Brand: SRS Labs | Category: Measuring Instruments | Size: 0 MB

Table of Contents

Table of Contents

5
- Safety and Preparation for Use
  3
  - Table of Contents
    5
- Table of Figures
  7
Chapter 1 Performance Tests

9
- Getting Ready
  11
  - [Hardkeys]
    11
    
    Knob
    11
    
    Reset
    11
    
    Serial Number
    11
    
    Softkeys
    11
    
    Firmware Revision
    12
    
    If a Test Fails
    12
    
    Necessary Equipment
    12
    
    The Test Record
    12
    
    Warm up
    12
- Self Tests
  15
- DC Offset
  17
- Common Mode Rejection
  19
- Amplitude Accuracy and Flatness
  21
- Amplitude Linearity
  25
- Anti-Alias Filter Attenuation
  27
- Frequency Accuracy
  29
- Phase Accuracy
  31
- Noise and Spurious Signals
  33
- Sine Source
  37
- Harmonic Distortion
  39
- Performance Test Record
  40
  - SR785 Performance Test Record
    40
Chapter 2 Circuit Description

43
- Chapter 5 Schematic Diagrams
  
  43
  - CPU Board
    43
- Overview
  45
  - Analyzer Components
    45
    
    Schematic Diagram Locations
    46
- Analog Input Board
  46
- CPU Board
  47
  - Microprocessor System
    47
    
    I/O Map
    47
    
    Memory Map
    47
    
    Keyboard Interface
    48
    
    Keypad Interface
    48
    
    Speaker
    48
    
    Spin Knob
    48
    
    String ROM
    48
    
    Clock/Calendar
    49
    
    Expansion Connector
    49
    
    Printer Interface
    49
    
    Reset/Battery Switch
    49
- Video/Io Board
  50
  - Video Graphics Interface
    50
    
    Disk Controller
    50
    
    Expansion Connector
    51
    
    GPIB Interface
    51
    
    RS232 Interface
    51
- Chapter 4 Parts List
  
  51
  - System Backplane
    51
  - Power Supply Board
    52
    
    Analog Power
    52
    
    Caution
    52
    
    Power Supply Connector
    52
    
    Removing the Power Supply
    52
    
    System Power
    52
    
    Test Points
    52
  - DSP Board
    53
  - DSP Board
    54
    
    Digital Signal Processor
    54
    
    Timing Signal Generator
    54
    
    I/O Interface
    55
    
    Tachometer
    55
    
    Trigger
    55
    
    Interface to CPU
    56
    
    Source Generator
    56
  - Analog Input Boards
    57
    
    Gain Stages and Attenuators
    57
    
    Input Amplifier
    57
    
    A-Weighting Filter
    58
    
    A/D Converter
    58
    
    Anti-Aliasing Filter
    58
    
    I/O Interface
    58
3-1 Chapter 3 Service

61
- Chapter 3 Service
  
  63
Chapter 4 Parts Lists

89
- Demo Filter
  89
- CPU Board Parts List
  91
- Video/Io Board Parts List
  94
- Power Supply Board Parts List
  97
- System Backplane Parts List
  99
- Disk Card Parts List
  100
- DSP Board Parts List
  101
- Analog Input Board Parts List
  109
- Analyzer Backplane Parts List
  119
- Demo Filter Board Parts List
  122
- Miscellaneous Parts List
  123
  - Schematic Diagrams
    124

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