Alesis QS7.1 Service Manual Page 39
- Page / 97
- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
- Preface 2
- READ THIS! 2
- Warnings 3
- Safety Suggestions 4
- General Troubleshooting 5
- Acknowledgments 6
- Table Of Contents 7
- List Of Figures 9
- List Of Tables 9
- 1.00 General Descriptions 10
- 2.00 Theory Of Operation 16
- 2.31A RESET 18
- 2.31C Other Processor I/O 19
- 2.31D MIDI 19
- 2.31E PC Serial Connector 20
- 2.32A Sound Generation 20
- 2.32B ROM Card Connector 21
- 2.34A Reading Velocity 22
- 2.34B QS8 Key Construction 22
- 2.53A QS6/7/8 PC Serial 28
- 2.53B QS6/7/8 MAC Serial 28
- 2.53C QSR Variant 28
- 3.00 Test Procedures 29
- Figure 8 - 48KHz Test 31
- Figure 15 - SG ASIC Pinout 37
- Figure 16 - FX ASIC Pinout 37
- Figure 19 - FX SRAM Pinout 39
- Figure 20 - EPROM Pinout 39
- Figure 21- Sound ROM Pinout 39
- Figure 22 - GAL Pinout 40
- Figure 23 - DAC Pinout 40
- 6.15 QS6 Main Revision F 43
- 6.20 QS7/8 44
- 6.21 QS7/8 Main Revision B 44
- 6.22 QS7/8 Main Revision C 45
- 6.23 QS7/8 Main Revision D 45
- 7.10 QS6 48
- 7.20 QS7/QS8 49
- 7.40 QSR 49
- SYSTEM EXCLUSIVE FORMAT 51
- PARAMETER FORMAT 58
- Keyboard Sound: 63
- 9.10 QS6 Service Parts List 77
- 9.20 QS7 Service Parts List 81
- 9.30 QSR Service Parts List 85
- 9.40 QS8 Service Parts List 88
- 11.00 INDEX 94
- 12.00 Schematics 97
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