AST Research
Office

Model # 386/PREMIUM Official AST Research computer

Here are the diagrams and repair parts for Official AST Research 386-PREMIUM 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”.

We encourage you to save the model to your profile, so it’s easy to access parts and manuals for your appliance whenever you log in.

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

Model diagram and schematic

SEARCH WITHIN THIS MODEL

?

This is the number corresponding to the part on the diagram / schematic

Search
ALL PARTS
Showing 10 of 68 parts  |

40mb 500392-001

#NI

All parts diagram

40mb

Part #500392-001

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

Screw 4-40x.25stl 183000-022
Screw 4-40x.25stl

Part #183000-022

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

40mb St-506 500393-030

#NI

All parts diagram

40mb st-506

Part #500393-030

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

90mb Esdi 500393-090

#NI

All parts diagram

90mb esdi

Part #500393-090

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

Bracket, Disk Drive 200318-001
#3

Model premium 386 diagram

Bracket, disk drive

Part #200318-001

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

150mb Esdi 500393-150

#NI

All parts diagram

150mb esdi

Part #500393-150

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

Bumper 0.81" Sq 0.3" Ht. 180000-003
Bumper 0.81" sq 0.3" ht.

Part #180000-003

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

Bravo/286 N/P

#NI

All parts diagram

Bravo/286

Part #N/P

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

Chassis 200312-001
Chassis

Part #200312-001

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

Support Pc Spacer Nylon 185000-020
Support pc spacer nylon

Part #185000-020

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

Symptoms for electric ranges

Main causes: faulty surface element, burner control switch failure, temperature limiter not working properly, loose wiri…

Main causes: impact from dropping an item on the glass surface, ceramic glass surface flaw, surface element temperature …

Repair guides for electric ranges

How to replace a range hidden bake element

How to replace a range hidden bake element

These step-by-step instructions guide you through replacing the oven hidden bake element in an electric range.…

Repair difficulty
Time required
 30 minutes or less
How to replace an electric range oven door outer glass panel

How to replace an electric range oven door outer glass panel

Learn how to replace a damaged outer window panel on your oven door with these step-by-step instructions. …

Repair difficulty
Time required
 45 minutes or less
How to replace a range glass cooktop

How to replace a range glass cooktop

These step-by-step instructions explain how to replace a damaged ceramic glass cooktop on an electric range. …

Repair difficulty
Time required
 45 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

How to enjoy all the online benefits we offer on our Sears PartsDirect website

How to enjoy all the online benefits we offer on our Sears PartsDirect website

Learn about all the convenient features on our Sears PartsDirect website that make your parts purchases easier.…

Top questions about Sears and Sears PartsDirect

Top questions about Sears and Sears PartsDirect

Get answers to frequently asked questions about Sears and Sears PartsDirect.…

What does the Amazon Fire Stick Lite do?

What does the Amazon Fire Stick Lite do?

Learn what the Amazon Fire Stick Lite video streaming device does.…