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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.

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

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Model diagram and schematic

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Showing 10 of 176 parts  |
8087 Math Coprocessor 61X8922
#2

Internal options and adapters diagram

8087 math coprocessor

Part #61X8922

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

Contrast Brightness Control Assembly 72X7873

#NI

All parts diagram

Contrast brightness control assembly

Part #72X7873

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

Keyboard (w/o Cable), Spanish / Latin 1392015

#NI

All parts diagram

Keyboard (w/o cable), spanish / latin

Part #1392015

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

Keyboard (w/o Cable), Spanish 1392003

#NI

All parts diagram

Keyboard (w/o cable), spanish

Part #1392003

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

Main Circuit Board/video Driver Board Metal Chassis 68X3069

#NI

All parts diagram

Main circuit board/video driver board metal chassis

Part #68X3069

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

Keybutton Kit, Portuguese 1392029

#NI

All parts diagram

Keybutton kit, portuguese

Part #1392029

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

Tilt/swivel Stand 68X3061
#2

Monochrome display (8503) diagram

Tilt/swivel stand

Part #68X3061

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

220/240 V Ac (northern Hemisphere) 72X7870
#1A

Color display (8513) diagram

220/240 v ac (northern hemisphere)

Part #72X7870

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

French 1392000

#NI

All parts diagram

French

Part #1392000

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

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