Fairlight ESP CMI Model IIx Music Workstation
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Model:
CMI Model IIx
Data:
Kategoria:
Grupa:
Opis:
Computer Music Instrument
Informacja
The Fairlight Computer Musical Instrument is a complete
music production and performance instrument. It is a special
purpose computer system incorporating a custom dual M6809
central processor interfaced to special input-output devices
optimised for the rather unusual requirements of music
production.
The C.M.I. is a complex special-purpose computer system
which embraces many different hardware and software
technologies. All processing and sound generation functions
are performed by the Mainframe, while the Graphics Terminal
and Keyboards serve as peripherals for operator interfacing.
The mainframe is capable of operating quite autonomously,
that is, it is not reliant on any external connections for
proper functioning. Under certain conditions it is possible
for a fault condition to inhibit proper Mainframe operation,
so the serviceperson should be wary of being mislead. Of
course, without the peripherals connected it is often hard
to know if the system is functioning properly, but this
point should be borne in mind when troubleshooting.
Operator input to the Mainframe comes from three sources:
music Keyboard, alphanumeric Keyboard and lightpen.
Output devices include the Graphics Display terminal and the
audio outputs. A printer may also be optionally used.
The heart of the system is the Central Processing Module,
which U3es two Motorola 6809 microprocessors in a
dual-processor configuration. Both processors share a common
buss which allows them both to communicate with the other
cards in the Mainframe.
The Processor Control Module provides EPROM for system
startup and bootstrap, RS-232C serial input from the
keyboard, serial output to the Keyboard and printer, and
various other C.P.U. support functions such as interrupt
prioritisation.
Main program memory is the 256K RAM card. This holds all the
operational software, much of which is overlayed from disk
as the code exceeds 25ÖK.
The Floppy-disk Controller uses Direct Memory Access
techniques to transfer data between memory and the two
floppy-disk drives.
The Graphics Display is a bit-mapped image of 16K bytes of
VRAM. This is displayed as an array of 256 by 512 points.
Special hardware provides support functions for automatic
vector drawing, which considerably enhances the speed of
displaying graphical Information. Hit and touch signals from
the Lightpen are interfaced to the system buss.
Eight identical Voice Modules also share the buss. They each
have 16K bytes of waveform RAM, as well as all the control
and audio circuits required to support it.
A Voice Master module controls the voice modules, as well as
providing the Analog-to-Digital Converter function of the
system.
Audio from the Voice Modules is buffered by the Audio Output
Module, which provides independent balanced outputs for each
channel as well as a mixed (LINE) output.
Typ ręczny:
Serwis i User Manual
Strony:
379
Rozmiar:
28.91 Mbytes (30319496 Bytes)
Język:
english
Rewizja:
2.1
Ręczny ID:
Data:
Jakość:
Skanowany dokument, czytając częściowo źle, nie częściowo czytelny.
Data przesłania:
2017 08 16
MD5:
b61ed70ff2c6cc52e6adadd847094c18
Pobrane:
712
Informacja
1. INTRODUCTION
... 1
1.1 Card Cage
... 1
1.2 Audio Board
... 1
1.3 Power Supply
... 1-
1.4 Floppy-Disk Drives
... 1
1.5 External Connections
... 2
Figure 1. C.M.I. Mainframe Block Diagram
... 3
2. SYSTEM OVERVIEW
... 4
2.1 General Principles
... 4
2.2 Hardware/Software Relationships
... 5
2.2.1 System Startup/Boot
... 5
2.2.2 Disk Operations
... 5
2.2.3 Lightpen/Graphics Display
... 6
2.2.4 Command Entry
... 6
2.2.5 Loading/Saving Sounds
... 6
2.2.6 Sound Sampling
... 7
2.2.7 Music Playing
... 7
2.2.8 Music Keyboard Functions
... 8
2.2.9 Keyboard Sequencer
... 8
2.2.10 Music Composition Language
... 9
3* SPECIFICATIONS
... 10
3.1 ELECTRICAL
... 10
3.2 AUDIO
... 10
3 - 3 DIGITAL
... 11
3.4 MECHANICAL
... ... ... 81
6.2.3 WAVEFORM MEMORY TESTS ... 83
6.2.4 MEMORY DUMP
... 85
6.2.5 ENVELOPE CONTROL TESTS
... 85
6.2.6 VOLUME CONTROL TESTS
... 87
6.2.7 TIMER TESTS
... 88
6.2.8 PITCH AND OCTAVE CONTROL
... 89
6.2.9 INTERRUPT FLAGS ...
... 89
6.3 MASTER CARD TESTS
... 91
6-3-1 TIMER TESTS
... 91
6.3.1.1 Timer Tests ... 91
6.3.1.2 Click Out/Sync In Tests
... 92
6.3.2 MASTER PITCH REGISTER TEST
... 93
6.3-3 A-D Converter SYSTEM TESTS
... 94
6.3-3.1 AD Tests Using External Analog Source ... 94
6.3.3.1 AD Tests Using Internal Analog Source ... 95
6.3.4 MASTER BANDPASS FILTER TESTS
... 101
6.4 Q256 MEMORY CARD DIAGNOSTICS
... 103
6.4.1 COMMON INITIALIZATION, OPTIONS AND
TEST PROCEDURES
... 104
6.4.2 MEM256
... 106
6.4.3 MAP256
... 109
6.4.4 DMA256
... ... 113
6.4.5 MEMDBG
... 113
6.4.5.1 Use of MEMDBG ... 114
6.4.5.2 Adding Your Own Test Loops ... 114
6.5 Q133 CENTRAL PROCESSOR CONTROL MODULE
... 116
6.5.1 USER PERIPHERAL INTERFACE ADAPTER
... 116
6.5.2 SYSTEM TIMER
... 117
6.5.3 INTERRUPTS
... 11 8
6.5.4 ACIA
... 118
6.6 Q219 LIGHTPEN/GRAPHICS TEST
... 119
6.6.1 LGTST
... - ... 119
6.6.2 LIGHTPEN TIMERS
... 119
6.6.3 LIGHTPEN PIA
... 120
6.6.4 PROCESSOR ACCESS SELECTION
_____..____________________________________120
6.6.5 LIGHTPEN DRAWING
... 120
6.6.6 VIDEO RAM TESTING
... 121
6.7 INTERRUPT TESTS
... 122
6.7.1 CMIINT
... 122
6.7.2 CMIINT COMMANDS
... 123
6.7.3 GENERAL PROCEDURE OF TESTS
... 124
6.7.4 ERROR MESSAGES
... 125
6.7.5 INTERRUPT PRIORITY ERRORS DIAGRAM
... 126
6.8 CHAIN TESTS
... 127
6.8.1 TESTING A COMPLETE CMI
... 127
6.8.2 DIGITAL SYSTEM TESTS
* ... 127
6.8.3 COMPREHENSIVE ANALOG TEST
... 128
6.9 SUMMARY OF TEST WAVEFORMS
... 129
6.9.1 CMITST WAVEFORMS
... 130
6.9.2 FILTER FREQUENCY RESPONSE - REVS 1 & 2
... 132
6.9.3 FILTER FREQUENCY RESPONSE - REV 3
... -133
6.10 CMI07 ANALOG INTERFACE CARD
... 134
6.10.1 STARTING THE AIC TESTS
... 134
6.10.2 REQUIRED HARDWARE CONFIGURATION
... 134
6.10.3 AIC RAM TEST
... 134
6.10.3.1 Program Flow of the RAM Test ... 135
6.10.4 AIC MULTIPLEXOR TEST
... 135
6.10.4.1 Program Flow of the MUX Test ... 136
6.10.3 AIC ANALOG TEST
... 136
6.10.3.1 Program Flow of the DAC Test ... 137
6.10.6 AIC TUNING
... 137
6.10.6.1 AIC Input Tuning ... 137
6.10.6.2 AIC Output Tuning ... 138
7. SIGNAL LIST - INTERNAL CONNECTIONS
... 139
7.0 MOTHERBOARD SIGNAL LIST
... 139
7.1 COMMON SIGNALS BUSSED TO ALL SLOTS
... 140
7.2 SLOT 1: MASTER CARD CMI-02
... 141
7.3 SLOT 2: GENERAL INTERFACE CARD CMI-28
... 142
7.4 SLOT 3 TO 10: CHANNEL CARD CMI-01-A
... 143
7.5 SLOT 11: ANALOG INTERFACE CARD CMI-07
... 144
7.6 SLOT 12: 64k SYSTEM RAM Q096 (not used)
... 145
7.7 SLOT 13» 14: 256K SYSTEM RAM Q256
... 146
7.8 SLOT 15: FOUR PORT ACIA MODULE QÖ14
... 147
7-9 SLOT 16: PROCESSOR CONTROL MODULE Q133
... 148
7.10 SLOT 17: CENTRAL PROCESSOR MODULE Q209
* ... 150
7.11 SLOT 18: LIGHTPEN/GRAPHICS INTERFACE Q219
... 151
7.12 SLOT 19: FLOPPY DISK Controller QFC9
... * ... 152
7.13 SLOT 20: HARD DISK Controller Q077
... 152
. SIGNAL LIST - EXTERNAL CONNECTIONS
... 153
8.1 A.C. MAINS
... 153
8.2 GRAPHICS POWER
... 153
8.3 GRAPHICS
... 153
8.4 KEYBOARD POWER
... 154
8.5 KEYBOARD
... 154
8.6 PRINTER
... ... 155
' 8.7 PHONES
... 155
8.8 MONITOR
... 156
8.9 CHANNELS 1 to 8
... 156
8.10 MIXED LINE OUTPUT
... 156
8.11 SYNC
... 157
8.12 FILTER OUT
... 157
8.13 MIC IN
... 157
8.14 LINE IN
... 158
8.15 ADC DIRECT
... 158
9. REMOVE/REPLACE PROCEDURE
... ... ... 159
9 .1 MAINFRAME FRONT PANEL REMOVE/REPLACE
... 159
9-2 CIRCUIT BOARD REMOVE/REPLACE
... 159
9-2.1 CIRCUIT BOARD REMOVAL
... 159
9.2.2 CIRCUIT BOARD REPLACEMENT
... 159
9.3 MAINFRAME REAR PANEL REMOVE/REPLACE
... 1 60
9-4 AUDIO BOARD, CMI-04 REMOVE/REPLACE
... 161
9.4.1 AUDIO BOARD REMOVAL
... 161
9-4.2 AUDIO BOARD REPLACEMENT
... 161
9.5 TOP COVER REMOVE/REPLACE
... 162
9 • 6 SIDE COVER REMOVE/REPLACE
... 162
9.7 BOTTOM COVER REMOVE/REPLACE
... 162
9.8 DISK DRIVE REMOVE/REPLACE
... 163
9.8.1 DISK DRIVE REMOVAL
... 1 63
9.8.2 DISK DRIVE REPLACEMENT
... 164
9.9 FAN ASSEMBLY REMOVE/REPLACE
... 164
9.10 CARD CAGE REMOVE/REPLACE
... 164
9.10.1 CARD CAGE REMOVAL
... 164
9.10.2 CARD CAGE REPLACEMENT
... 165
9.11 REGULATED Power Supply ASSEMBLY REMOVE/REPLACE
... 166
9.11.1 REMOVAL
... 166
9.11.2 REPLACEMENT
... 167
9.12 MOTHERBOARD REMOVE/REPLACE
... 167
9.12.1 REMOVAL
... 167
9.12.2 REPLACEMENT
... 167
9.13 TRANSFORMER END PLATE REMOVE/REPLACE
... 1 69
9.13.1 REMOVAL
... 169
9.13.2 REPLACEMENT ...
... 1 69
10. REPAIR PROCEDURE
... 170
11. PREVENTATIVE MAINTENANCE
... 170
SCHEMATIC DIAGRAMS
... 171
12.1 Q209 DUAL 6809 CPU
... 172
12.2 Q133 CPU CONTROL
... 176
12.3 Q256 256K MEMORY
... 181
12.4 QFC9 FLOPPY DISK Controller
... 187
12.5 Q219 LIGHTPEN/GRAPHICS
... 193
12.6 CMI02 MASTER CARD
... 199
12.7 CMI01-A CHANNEL CARD
... 203
12.8 CMI04 AUDIO MODULE
... * ... 204
12.9 QPSA Power Supply
... 207
12.10 Q137 FRONT PANEL
... 209
12.11 Q077 HARD DISK Controller
... 210
12.12 CMI28 GENERAL INTERFACE
... ■ ... 215
12.13 CMI07 ANALOG INTERFACE
... * ... 225
12.14 MAINFRAME WIRING DIAGRAM
... 229
13* EXPLODED VIEWS
' ... ■ ... 230
13-1 TRANSFORMER' END PLATE
... 231
13.2 CARD CAGE ASSEMBLY
... 232
13-3 REGULATED Power Supply
... 233
13-4 FAN ASSEMBLY
... 234
13.5 REAR PANEL
... 235
13-6 FRONT PANEL
... 236
13-7 MAINFRAME
... 237
14. MECHANICAL PARTS LISTS
... 238
14.1 MAINFRAME DRAWING REF DMC0001
... 238
14.2 CARD CAGE ASSEMBLY DRAWING REF DMC032
... 239
14.3 MAINFRAME REAR PANEL DRAWING REF DMC038
... 240
14.4 FRONT PANEL ASSEMBLY DRAWING REF DMC042
... 241
14.5 TRANSFORMER END PLATE DRAWING REF DMC046
... 242
14.6 REGULATED Power Supply DRAWING REF DMC057
... 243
14.7 FAN ASSEMBLY DRAWING REF DMC066
... 243