Can’t find your part?   Contact us:
+1-309-603-4777
Sears Parts Direct
Orders

  • Keep track of the models you own in your profile

    Sign in or Register to view or add models

Schedule a repair
NEC
Office

Model # 386SX Official NEC computer

Here are the diagrams and repair parts for Official NEC 386SX 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 50 parts  |
2+2 Memory Board PC-21-26

#NI

All parts diagram

2+2 memory board

Part #PC-21-26

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

Contrast And Brightness Knobs 25453032
Contrast and brightness knobs

Part #25453032

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

Vga Pwb 84V49601
Vga pwb

Part #84V49601

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

Expansion Station PC-21-11

#NI

All parts diagram

Expansion station

Part #PC-21-11

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

Image Modem Plus PC-21-63

#NI

All parts diagram

Image modem plus

Part #PC-21-63

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

Ac Adapter 31900036

#NI

All parts diagram

Ac adapter

Part #31900036

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

Appearance Parts N/P

#NI

All parts diagram

Appearance parts

Part #N/P

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

Bottom Base Unit Assembly 25310193
Bottom base unit assembly

Part #25310193

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

3.5 Floppy Disk Drive 31037201
3.5 floppy disk drive

Part #31037201

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

Memory Slot Cover 25410852

#NI

All parts diagram

Memory slot cover

Part #25410852

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

Symptoms for electric water heaters

Why does my water heater's heating element fail often?

Main causes: excessive tank sediment, high voltage supply…

Read more

Why does the temperature of my hot water fluctuate?

Main causes: thermostats need adjustment, bad heating elements, faulty thermostats, tank sediment build-up, broken dip t…

Read more

Repair guides for electric water heaters

How to replace a water heater element

How to replace a water heater element

If your water heater runs out of hot water quickly and one of the two heating elements has failed, replace the element f…

Read more
Repair difficulty
Time required
 30 minutes or less
How to replace an electric water heater anode rod

How to replace an electric water heater anode rod

If your hot water begins to smell like rotten eggs, replace the anode rod with a zinc-aluminum anode rod following the i…

Read more
Repair difficulty
Time required
 15 minutes or less
How to replace an electric water heater thermostat

How to replace an electric water heater thermostat

If the water temperature fluctuates or you don't get enough hot water, follow these instructions to replace your water h…

Read more
Repair difficulty
Time required
 30 minutes or less

Effective articles & videos to help repair your office

Office and smart products articles | Sears PartsDirect

View all
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.…

Read more
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.…

Read more
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.…

Read more

Parts & More