IBM 5150 Hardware Maintenance Manual

Power Transformer Removal
1.
Position Printer Power switch to OFF; unplug printer power
cord from wall outlet and disconnect Parallel Printer Cable.
2.
Remove forms.
~
3. Remove forms rack (See page 3-56).
4. Remove access cover (See page 3-32).
5.
Remove top cover (See page 3-88).
DANGER: STATIC VOLTAGE MAY BE PRESENT
ON THE FUSE-FILTER CARD.
USE CAUTION IN THIS AREA.
6.
Unplug connector II from fuse-filter card.
7.
Unplug connector iii from control circuit card.
8.
Remove screw
II from transformer ground wire.
9.
Remove two screws II from base of transformer.
10.
Lift transformer from base.
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3-74

IBM 5150 Specifications

General

Processor	Intel 8088
Clock Speed	4.77 MHz
RAM	16 KB - 256 KB
Manufacturer	IBM
Model	5150
Release Year	1981
Storage	5.25-inch floppy drives
Graphics	MDA or CGA
Operating System	IBM PC DOS
Ports	Cassette, keyboard
Expansion Slots	5