AST Research
Office

Model # 386/33 Official AST Research computer

Here are the diagrams and repair parts for Official AST Research 386-33 computer, as well as links to manuals and error code tables, if available.

There are a couple of ways to find the part or diagram you need:

  • Click a diagram to see the parts shown on that diagram.
  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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For DIY troubleshooting advice and repair guides, visit our repair help section.

Model diagram and schematic

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Showing 10 of 31 parts  |

Motherboard (indicates Required Parts To Be Stocked By Authorized Service Center) 202273-002

#NI

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Motherboard (indicates required parts to be stocked by authorized service center)

Part #202273-002

The manufacturer no longer makes this part, and there's no substitute part

3.3 Dos Dskt 910331-001

#NI

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3.3 dos dskt

Part #910331-001

The manufacturer no longer makes this part, and there's no substitute part

Owner's Manual 000904-001

#NI

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Owner's manual

Part #000904-001

The manufacturer no longer makes this part, and there's no substitute part

3.6v Batt 175000-007

#NI

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3.6v batt

Part #175000-007

The manufacturer no longer makes this part, and there's no substitute part

Power Supply 230053-001

#NI

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Power supply

Part #230053-001

The manufacturer no longer makes this part, and there's no substitute part

Control Console 220255-005

#NI

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Control console

Part #220255-005

The manufacturer no longer makes this part, and there's no substitute part

Premium 386/33 500733-XXX

#NI

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Premium 386/33

Part #500733-XXX

The manufacturer no longer makes this part, and there's no substitute part

Bravo/286 N/P

#NI

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Bravo/286

Part #N/P

The manufacturer no longer makes this part, and there's no substitute part

Keyboard (101-key) 230082-001

#NI

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Keyboard (101-key)

Part #230082-001

The manufacturer no longer makes this part, and there's no substitute part

Cbl-hd Data 220306-001

#NI

All parts diagram

Cbl-hd data

Part #220306-001

The manufacturer no longer makes this part, and there's no substitute part

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Main causes: engine needs tune up, dirty or clogged carburetor, damaged flywheel key…

Main causes: drive control cable failure, worn or broken drive belt, bad transmission, broken drive wheel…

Main causes: stale gas, engine needs tune up, bad spark plug, dead battery, bad recoil starter, faulty safety switch, ba…

Main causes: dirty carburetor, bad spark plug, clogged air filter, engine choke problems, clogged gas cap vent…

Repair guides for gas walk-behind mowers

These step-by-step repair guides will help you safely fix what’s broken on your walk-behind lawn mower.

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How to replace a lawn mower recoil starter on an OHV engine

How to replace a lawn mower recoil starter on an OHV engine

Replace the recoil starter if it doesn't move when you pull the starter rope.…

Repair difficulty
Time required
 15 minutes or less
How to replace a lawn mower wheel

How to replace a lawn mower wheel

Learn how replace a damaged wheel on a walk-behind lawn mower—it's a quick, easy fix.…

Repair difficulty
Time required
 15 minutes or less

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