Tandy WP-2 Manuals

Tandy WP-2 Manuals

Manuals and User Guides for Tandy WP-2. We have 1 Tandy WP-2 manual available for free PDF download: Service Manual

Tandy WP-2 Service Manual

Tandy WP-2 Service Manual (138 pages)

Portable Wordprocessor

Brand: Tandy | Category: Desktop | Size: 4.55 MB

Table of Contents

Table of Contents
3
Rear View
8
Bottom View
9
- Internal View
  10
- Specifications
  12
Disassembly Instructions
15
- Top Case
  15
DSUB Connector Screw Removal
15
Top Case Removal
16
- Keyboard
  17
Keyboard Removal
17
- Lcd
  18
- Main PCB
  18
LCD Removal
18
Main PCB Removal
19
- Sub PCB
  20
  - Maintenance
    21
  - Lcd
    21
  - Theory of Operation
    23
- Hardware Specifications
  23
- Cpu
  23
Rs232C Interface
23
Block Diagram
25
- Memory Map
  26
- Ram
  26
  - Circuit
    26
- Ram
  27
  - Circuit
    27
- ROM Control
  27
- I/O Address Map
  28
- Interrupt
  30
- Keyboard
  30
Interrupt Control
30
- Cassette Interface Circuit
  31
- Printer Interface Circuit
  32
Circuit
32
- Serial Interface Circuit
  33
Serial Interface
33
- Buzzer Control Circuit
  34
- LCD Controller
  34
- Power Supply
  35
Circuit
35
- Software Calls
  37
  - IC Card
    37
Memory Map
38
Power Supply
42
Timing Chart
44
Timing Chart
45
Timing Chart
48
Section VI EXPLODED VIEW/PARTS LIST
67
- Exploded View
  67
  - Main PCB Assembly
    68
  - LCD Unit
    72
  - Mechanical and Assembly Parts
    73
  - Keyboard Unit
    74
Section VII PCB VIEWS
79
- Main PCB Top View
  79
- Main PCB Bottom View
  80
Main PCB
80
- LCD PCB View
  81
Lcd Pcb
81
- Circuit Diagrams
  83
Appendices
91
- Lcd Specifications
  93
  - Appendix A. LCDSPECIFICATIONS
    93
  - Application
    93
  - Composition
    93
Block Diagram
93
LCD Module
93
- Mechanical Specifications
  94
Dot Dimensional Drawing
94
- Electrical Specifications
  95
Vo Adjusting
96
- Interface Specifications
  97
LCD Screen
97
- Optical Characteristics
  101
Definition of Contrast Ratio
102
- Precautions in Use
  103
Operational Precautions
103
- LCD Module View
  105
- Installation of Optional Ram
  107
  - And Character Code Tables
    109
    
    Appendix B. INSTALLATION OFOPTIONAL RAM
    109
    
    Appendix C. KEYBOARDLAYOUT, CONNECTERPIN ASSIGNMENTS
    109
  - Keyboard Layout
    109
  - Connector Pin Assignments
    110
Cassette Interface
110
Printer Interface
110
Rs-232C
110
Expansion Card Interface
111
Cassette Connector
112
- Character Code Tables
  113
ESC Sequence Code (VT52
119
- Rom Calls and Speller Information
  121
  - Appendix D. ROMCALLS ANDSPELLER INFORMATION
    121
  - ROM Calls
    121
Ram
128

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