Alesis QS8 Synthesizer Keyboard Manuals

Manuals and User Guides for Alesis QS8 Synthesizer Keyboard. We have 4 Alesis QS8 Synthesizer Keyboard manuals available for free PDF download: Reference Manual, Service Manual, Instructions And Program Charts, Instruction And Program Chart

Alesis QS8 Reference Manual (141 pages)

64 Voice Expandable Synthesizer

Brand: Alesis | Category: Synthesizer | Size: 0.9 MB

How to Use this Manual
2
Table of Contents
4
1 : Setting up

8
- Unpacking and Inspection
  8
- AC Power
  8
  - Line Conditioners and Protectors
    9
- About Audio Cables
  9
- Basic Audio Hookup
  10
2 Our Irst Ession

11
- Powering up
  11
  - Playing the Demo Sequences
    11
- Whats a Program
  11
- Whats a MIX
  12
- What's a Bank
  12
  - About Sound Groups
    12
- Playing the QS Keyboard
  12
  - Selecting the MIDI Channel in Program Mode
    14
  - Auditioning Internal Programs
    14
  - Selecting Program Banks
    14
  - Realtime Performance Functions
    15
  - The Controller A-D Sliders
    15
  - Auditioning MIX Play Mode
    16
  - Selecting MIX Banks
    16
  - Choosing Programs in a MIX
    17
  - Storing an Edited MIX
    18
- Enabling General MIDI Mode
  18
- A Word about the QS CD-ROM
  20
  - Sound Bridge
    20
3 Onnections

21
- Basic MIDI Hookup
  21
- Using an External Sequencer
  22
  - About the Keyboard Mode
    22
- Using a Computer
  22
  - IBM ® Pcs and Compatibles
    23
  - Macintosh
    23
- Master Controller for Live Use
  24
- Pedal and Footswitch Hookup
  24
- Digital Audio/Optical Hookup
  25
  - Recording Digital Audio
    25
4 Verview

27
- Basic Architecture
  27
- QS Polyphony
  27
- Modes
  28
  - Program Play Mode
    28
  - MIX Play Mode
    28
  - Program Edit Mode
    28
  - MIX Edit Mode
    28
  - Store Mode
    29
  - Compare Mode
    29
  - Effects Edit Mode
    29
  - Global Edit Mode
    29
  - About the Display
    30
  - Page Buttons
    32
  - Editing Values
    32
  - Resetting a Parameter Value
    32
  - Parameter Editing Overview
    32
  - Selecting Functions and Parameters
    33
- Storing
  35
5 Diting Ixes

40
- What Is a MIX
  40
- MIX Edit Mode
  40
- Understanding the Edit Buffers
  41
- Level Setting for each Program
  42
- Pitch
  44
- Effect
  44
- Keyboard/MIDI
  44
- Controllers
  45
  - Transmitting MIDI Volume and Panning
    45
- Naming a MIX
  46
- Polyphony in MIX Play Mode
  47
- Using the QS as a Master Keyboard
  47
  - Using Keyboard Mode with the Serial Jack
    48
6 Diting Rograms

49
- Overview
  49
- The "Normalized" Synth Voice
  49
- How the QS Generates Sound
  50
- Program Sound Layers
  50
- QS Signal Flow
  51
  - The Four Sounds of a Program
    51
  - Voice
    52
  - Lowpass Filter
    52
  - Amp
    52
- About Modulation
  53
  - LFO (Low Frequency Oscillator)
    54
  - Envelopes
    54
- About Signal Processing
  54
- Drum Mode
  55
- Program Edit Functions
  56
  - Voice
    56
  - Level
    59
  - Pitch
    60
  - Filter
    62
  - Amp/Range
    64
  - Pitch Envelope
    67
  - Filter Envelope
    70
  - Amp Envelope
    72
  - Name
    74
  - Mod 1 - Mod 6
    75
  - Pitch LFO
    78
  - Filter LFO
    80
  - Amp LFO
    81
  - Tracking Generator
    82
  - Tracking Input
    83
- Programming Drum Sounds
  84
  - Voice
    84
  - Level
    85
  - Pitch
    85
  - Filter
    85
  - Amp/Range
    86
  - Amp Envelope
    86
- Copying Sounds
  87
- Copying Effects
  87
- Initializing Programs
  88
7 Diting Ffects

89
- About Signal Processing
  89
- Selecting an Effects Patch in MIX Mode
  90
- Setting Effects Send Levels
  90
- Clip
  90
- Editing Effects
  90
  - Navigating
    91
- Storing Effect Patches in Program Mode
  92
- Storing Effect Patches in MIX Mode
  92
- Copying Effect Patches
  92
- Configurations
  93
- Mod
  100
  - Mod Source
    101
  - Mod Destination
    101
  - Mod Level
    101
- Delay
  105
- Reverb
  108
  - Input Levels
    108
- Overdrive
  112
- MIX
  113
8 Lobal Ettings

114
- Editing Global Parameters
  114
- Master Pitch
  114
- Master Tune
  114
- Keyboard Curve
  114
- Keyboard Scaling
  115
- Keyboard Transpose
  115
- Keyboard Mode
  115
- General MIDI
  116
  - Enabling General MIDI Mode Via MIDI
    116
- Controllers a - D Assignment
  116
  - Using a Pedal to Control Volume or Modulation
    116
  - Receiving/Transmitting Bank Change Messages
    117
- Input/Output
  118
- MIDI out
  119
- Reset Controllers
  119
- Controller Mode
  119
- Clock
  120
- Using PCMCIA Expansion Cards
  122
- Saving the User Bank to a PCMCIA Card
  122
- Loading a Bank from an External Card
  123
9 : MIDI Transfer and Storage Operations

123
Appendix A: Troubleshooting

128
- Cleaning
  128
- Maintenance
  128
- Refer All Servicing to Alesis
  128
- Obtaining Repair Service
  128
Appendix B: MIDI Supplement

131
- MIDI Basics
  131
- MIDI Hardware
  131
  - Channel Messages: Mode Messages
    132
  - Channel Messages: Voice Messages
    132
  - System Common Messages
    134
- General MIDI
  134
Appendix D: Parameters Index

137
Index

137

Alesis QS8 Service Manual (97 pages)

QS Series 64 voice keyboards and rack mount synths

Brand: Alesis | Category: Synthesizer | Size: 1.45 MB

Read this

2
Warnings

3
Safety Suggestions

4
General Troubleshooting

5
Acknowledgments

6
- Table of Contents
  7
1 General Descriptions

10
- Qs6
  10
- Figure 1 - QS6 Simplified Block Diagram
  11
- Qs7
  12
- Qs8
  12
- Figure 2 - QS7/QS8 Simplified Block Diagram
  13
- Qsr
  14
- Figure 3 - QSR Simplified Block Diagram
  15
2 Theory of Operation

16
- Power Supplies
  16
  - QS6/QSR Power Supply
    16
  - QS7/QS8 Power Supply
    16
    
    A Transformer PCB
    16
    
    B Main PCB
    16
  - SRAM Battery Backup
    16
- Analog Signal Paths
  16
  - Main Outputs
    16
  - Headphone Outputs
    17
  - QS7/QS8/QSR Aux Outputs
    17
  - Power up Mute
    17
- Digital Signal Paths
  17
  - H8/510 Microprocessor
    17
    
    A Reset
    18
    
    B the GAL and Memory Mapped I/O
    19
    
    C Other Processor I/O
    19
    
    D MIDI
    19
    
    E PC Serial Connector
    20
  - The SG ASIC
    20
    
    A Sound Generation
    20
    
    B ROM Card Connector
    21
  - The FX ASIC
    21
    
    A QS7/8/R Digital Optical I/O
    21
  - The KEYSCAN ASIC
    21
    
    A Reading Velocity
    22
    
    B QS8 Key Construction
    22
    
    Figure 4 - Keyboard Velocity Reponse
    22
    
    Figure 5 - QS8 Key Construction
    24
- D-A
  25
  - S6 D-A
    25
  - Qs7/Qs8/Qsr D-A
    26
- PC/MAC Serial I/O
  26
3 Test Procedures

29
- Self Tests
  29
- Further Testing
  31
  - Testing 48Khz
    31
  - Figure 8 - 48Khz Test
    31
4 Troubleshooting and Repair

32
5 Appendix A Pinout Diagrams

37
- Sg Asic
  37
- Fx Asic
  37
- Figure 15 - SG ASIC Pinout
  37
- Figure 16 - FX ASIC Pinout
  37
- Keyscan Asic
  38
- Micro Controller
  38
- Figure 17 - Keyscan ASIC Pinout
  38
- Figure 18 - H8 Processor Pinout
  38
- Sram
  39
- Eprom
  39
- Sound Rom
  39
- Figure 19 - FX SRAM Pinout
  39
- Figure 20 - EPROM Pinout
  39
- Figure 21- Sound ROM Pinout
  39
- Gal
  40
- Dac
  40
- Figure 22 - GAL Pinout
  40
- Figure 23 - DAC Pinout
  40
6 Appendix A Updates and Corrections

41
7 Appendix B Software Histories

48
- Qs6
  48
- Qs7/Qs8
  49
- Qsr
  49
8 Appendix C Sys-Ex Implementations

51
- S6 Sys-Ex
  51
- QS7/QS8//QSR Sys-Ex
  76
9 Appendix D Service Parts Lists

77
- QS6 Service Parts List
  77
- QS7 Service Parts List
  81
- QSR Service Parts List
  85
- QS8 Service Parts List
  88
10 Appendix E Dictionary of Selected Terms

92
11 Index

94
12 Schematics

97
- Table 14 - Schematic Set
  97

Alesis QS8 Instructions And Program Charts (10 pages)

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Alesis QS8 Instruction And Program Chart (8 pages)

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Alesis QS8 Synthesizer Keyboard Manuals

Alesis QS8 Reference Manual (141 pages)

Table of Contents

1 : Setting up

2 Our Irst Ession

3 Onnections

4 Verview

5 Diting Ixes

6 Diting Rograms

7 Diting Ffects

8 Lobal Ettings

9 : MIDI Transfer and Storage Operations

Appendix A: Troubleshooting

Appendix B: MIDI Supplement

Appendix D: Parameters Index

Index

Alesis QS8 Service Manual (97 pages)

Table of Contents

Read this

Warnings

Safety Suggestions

General Troubleshooting

Acknowledgments

1 General Descriptions

2 Theory of Operation

3 Test Procedures

4 Troubleshooting and Repair

5 Appendix A Pinout Diagrams

6 Appendix A Updates and Corrections

7 Appendix B Software Histories

8 Appendix C Sys-Ex Implementations

9 Appendix D Service Parts Lists

10 Appendix E Dictionary of Selected Terms

11 Index

12 Schematics

Alesis QS8 Instructions And Program Charts (10 pages)

Alesis QS8 Instruction And Program Chart (8 pages)

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