Field Service Manual

Atari 800 - Field Service Manual

207 pages

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ATARI

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COMPUTER

FIELD

SERVICE

MANUAL

4

0/S

Table of Contents

Table of Contents3
Console9
User Interface10
- Motherboard11
- Central Processing Unit11
- Power Supply11
- ROM Personality PCB13
- Ram Pcb13
- Keyboard14
- Power Supply14
- Program Cartridge14
Electronic Discussion15
- Central Processing Unit15
- CPU 6502 Integrated Circuit15
MPU Pin16
- Color Television Interface18
  - Adaptor18
- I/O Decoder18
- Composite Video18
  - Console18
- Motherboard Console19
- Pot Keyboard Integrated19
- Peripheral Interface Adaptor19
- Memory Map Decoder19
PIA Pin Assignments20
- I/O Decoder21
- Bi-Directional Data Buffer L-U22
I/O Decoder Select Line22
- ROM Personality23
  - Board23
- Power Supply24
- ROM Cartridge25
- Accessories25
- CPU Board31
- Game Cartridge34
- And Schematics36
WO Motherboard40
CPU Board51
CPU Board Schematic52
- RAM Boards54
- RAM Boards56
Troubleshooting and Testing57
- Overview57
- Tests57
  - Equipment Needed57
  - Testing with and Without58
    - The SALT58
    - Cartridge58
Overview of Tests58
- Power-Up Test58
- Keyboard Test58
- RAM and ROM Test58
Special Graphics Test59
SALT Header60
- SALT N Menu61
- Color Bar Test62
- Any Video Test63
Any Video Test Screen63
- Gray Bar Test 3-S64
Gray Bar Test Screen64
- Keyboard Test65
- Switch Test65
- Tone Test65
- Display Options66
- Port Test66
Port Test Screen66
- Verify67
  - ROM Test67
  - RAM Test67
    - RAM Boards67
RAM TEST Screen69
- M Test71
- Power71
- Defective71
  - Star Raider Test72
  - Shake Test72
Description of the Other Functions73
- Production Test73
- Examine73
- Adjust73
Summary 3"173
ATARI *00 Home Computer Console - Disassembly74
- Keyboard and Power Supply Access74
- Keyboard Removal76
- Power Supply Removal77
- Ram ^680
ATARI 800 Home Computer Console81
- Access to RAM Boards and81
  - ROM Board81
- ATARI Home81
- Access to Power Supply and ^982
- Remove Top Cover82
  - 800 Console, Cartridge82
- Remove the PCB Module ^-1083
- Remove the Power Supply84
- Access to CPU Printed Circuit Board85
  - Power Supply85
- Access to Motherboard ^-1386
  - Board Removal86
- Keyboard Removal87
- ATARI wo Home Computer Console88
- ATARI 800 Home Computer Console90
- Pcb ^2093
  - Tools Required93
- Visual Inspection94
Salt105
- Atari Atari124
Clock Circuit130
Keyboard Connection Chart132
Ram133
- Symptom Checklist135
- Flowcharts137
Clock Circuit172
Keyboard Connection Chart174
Game Controllers177
- Equipment Needed179
- Procedure179
Joystick Schematic179
- Game Paddle180
- Game Paddle Controller Check181
  - Equipment Needed181
  - Procedure181
Game Paddle Schematic181
Parts List183
- Atari *00185
  - Computer Computer189
  - Power Supply191
Service Bulletins195
- Power Supply204

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