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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Showing 10 of 176 parts  |

Signal Cable 75X8929

#NI

All parts diagram

Signal cable

Part #75X8929

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

Belgian 1392012

#NI

All parts diagram

Belgian

Part #1392012

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

General Purpose Interface Bus Adapter 6181770
#1C

Internal options and adapters diagram

General purpose interface bus adapter

Part #6181770

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

Power Supply Assembly (220/240 Volt) 68X3066

#NI

All parts diagram

Power supply assembly (220/240 volt)

Part #68X3066

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

Keyboard (w/o Cable), Swedish 1392009

#NI

All parts diagram

Keyboard (w/o cable), swedish

Part #1392009

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

Keypad Assembly, U.k. English 6447040

#NI

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Keypad assembly, u.k. english

Part #6447040

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

Danish 1392026

#NI

All parts diagram

Danish

Part #1392026

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

Power Cord 8529281
#4

Power cords diagram

Power cord

Part #8529281

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

Package Guidelines 72X8605

#NI

All parts diagram

Package guidelines

Part #72X8605

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

Power Supply With Cord (110/120 Volt) 61X8931

#NI

All parts diagram

Power supply with cord (110/120 volt)

Part #61X8931

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

Repair guides for canister vacuums

How to replace a vacuum suction motor

How to replace a vacuum suction motor

The suction motor on a vacuum creates the draw of air at the cleaning head that picks up dirt. If the vacuum won't run, …

Repair difficulty
Time required
 15 minutes or less
How to replace a vacuum power head ribbed drive belt

How to replace a vacuum power head ribbed drive belt

Some canister vacuums have a ribbed drive belt that spins the brush roll on a power brush attachment. If the brush roll …

Repair difficulty
Time required
 30 minutes or less
How to replace a vacuum power head cogged drive belt

How to replace a vacuum power head cogged drive belt

If the power brush isn't working well because the cogged drive belt is slipping, take a few minutes to replace the belt.…

Repair difficulty
Time required
 15 minutes or less

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