IBM
Office

Model # 8503 Official IBM personal system 12

Here are the diagrams and repair parts for Official IBM 8503 personal system 12, 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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ALL PARTS
Showing 10 of 173 parts  |

110/120 V Ac 68X3045
#1

Monochrome display (8503) diagram

110/120 v ac

Part #68X3045

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

Shipping Material 68X3047

#NI

All parts diagram

Shipping material

Part #68X3047

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

Danish 1392005

#NI

All parts diagram

Danish

Part #1392005

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

(3-4) Game Control Adapter 8529151
#1B

Internal options and adapters diagram

(3-4) game control adapter

Part #8529151

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

220/240 V Ac (southern Hemisphere) 72X7878
#1B

Monochrome display (8503) diagram

220/240 v ac (southern hemisphere)

Part #72X7878

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

German 6447048

#NI

All parts diagram

German

Part #6447048

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

Serial Adapter Connector 8286194

#NI

All parts diagram

Serial adapter connector

Part #8286194

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

German 6447042

#NI

All parts diagram

German

Part #6447042

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

Shipping Bag 72X7968

#NI

All parts diagram

Shipping bag

Part #72X7968

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

Display Foot 75X8931

#NI

All parts diagram

Display foot

Part #75X8931

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

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