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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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ALL PARTS
Showing 10 of 176 parts  |
Power Switch Assembly 68X3073

#NI

All parts diagram

Power switch assembly

Part #68X3073

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

Power On Led 72X7876

#NI

All parts diagram

Power on led

Part #72X7876

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

(3-3) Serial/parallel Adapter 8286147
#1E

Internal options and adapters diagram

(3-3) serial/parallel adapter

Part #8286147

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

Sliding Support Bracket 61X8926

#NI

All parts diagram

Sliding support bracket

Part #61X8926

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

Card Assembly 220/240 Volt (northern Hemisphere) 75X8926

#NI

All parts diagram

Card assembly 220/240 volt (northern hemisphere)

Part #75X8926

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

220/240 V Ac (northern Hemisphere) 68X3046
#1A

Monochrome display (8503) diagram

220/240 v ac (northern hemisphere)

Part #68X3046

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

Crt/yoke Assembly (110/120 Volt, 220/240 Volt, Northern Hemisphere) 68X3063

#NI

All parts diagram

Crt/yoke assembly (110/120 volt, 220/240 volt, northern hemisphere)

Part #68X3063

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

Cover Set Complete 110/120 Volt (exchange Basis Only) 61X8932

#NI

All parts diagram

Cover set complete 110/120 volt (exchange basis only)

Part #61X8932

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

Keyboard (w/o Cable), U.k. English 1392004

#NI

All parts diagram

Keyboard (w/o cable), u.k. english

Part #1392004

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

Keybutton Kit, Spain (complete Set Of Keybuttons For The Specified Country.) 6447050

#NI

All parts diagram

Keybutton kit, spain (complete set of keybuttons for the specified country.)

Part #6447050

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

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