IBM 5150 Hardware Maintenance Manual

Left Margin Sensor Replacement
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Solder three wires from terminal board to left margin sensor.
Position left margin sensor pivot hole over post.
Replace retaining screw IE1 and retaining clip iii·
Readjust left margin sensor (See page 3-66).
Replace top cover (See page 3-90).
Replace ribbon cartridge.
Replace access cover.
Replace forms rack.
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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