Canon A-200 series Manuals

Table of Contents

• 4

  Part Iintroduction
• 2

  Table of Contents
• 10

  Specifications
• 12

  11-1. Product Outline
• 12

  11-1-1. System Configuration
• 12

  Specifications
• 12

  11-2-1. General
• 13

  11-2-2. Monochrome Display Adapter Board
• 13

  11-2-3. Color Display Adapter Board
• 14

  Floppy Disk Drive MDD-211
• 15

  Keyboard Unit
• 18

  Disassembly Procedure
• 26

  Installation
• 28

  IV-1. Unpacking
• 29

  IV-2. Connections
• 29

  IV-2-1. Keyboard Connection
• 29

  IV-2-2. AC Power Cord Connection
• 29

  IV-2-3. Connection to Peripherals
• 30

  IV-2-4. Adjustment of Typing Angle
• 31

  IV-3. Options
• 31

  IV-3-1. Expansion RAM Board
• 31

  IV-3-2. Color Display Adapter Board
• 32

  IV-3-3. Ndc (8087)
• 33

  IV-4. Summary of DIP Switch Setting
• 33

  IV-4-1. Main Board
• 35

  IV-4-2. DIP Switch Settings at Our Factory
• 36

  IV-4-3. Optional RAM Board
• 37

  IV-5. Adding Optional Floppy Disk Drive
• 40

  Adjustment
• 44

  Theory of Operations
• 46

  VI-1. General
• 48

  VI-2. Main P.C.B
• 51

  VI-2-1. Cpu
• 53

  VI-2-2. RESET Signal and Clock Generator Circuit
• 55

  VI-2-3. NMI and INT Control Circuit
• 56

  VI-2-4. Memory Map
• 57

  VI-2-5. Memory
• 60

  VI-2-6. 110 Map and 1/0 Address Decoding Circuit
• 63

  VI-2-7. System Bus
• 66

  VI-2-8. Dmac
• 69

  VI-2-9. Printer Interface Circuit
• 71

  VI-2-10. RS-232C Interface Circuit
• 73

  VI-2-11. Timer and Speaker Driver Circuit
• 74

  VI-2-12. Keyboard Interface
• 76

  VI-2-13. Ppi
• 78

  VI-2-14. FDD Interface Circuit
• 83

  VI-3. Keyboard Unit
• 89

  VI-4. Display Adapter Boards
• 89

  VI-4-1. Pin Description of the 68B45
• 90

  VI-4-2. Monochrome Display Adapter Board
• 103

  VI-4-3. Color Display Adapter Board
• 117

  VI-5. Power Supply Unit
• 119

  Part VII. Diagnostic Programs
• 133

  Part VIII Troubleshooting
• 147

  DIAGRAMS and PARTS Llst
• 177

  Appendix
• 179

  X-1. Connector Pin Assignment
• 179

  X-1-1. RS-232C Interface
• 180

  X-1-2. Monochrome Monitor Interface
• 180

  X-1-3. Color Monitor Interface
• 181

  Printer Interface
• 182

  X-1-6. Option Slot Interface
• 185

  X-2. Character Code Table