IBM 5150 Hardware Maintenance Manual

LED Assembly Removal
1. Position System Unit Power switch to Off, unplug System Unit
power cord, and disconnect all cables from rear
of System
Unit.
2. Set Display, Keyboard, and Printer away from System Unit ~
working area. ~
3. Remove System Unit cover (See page 3-98).
4. Remove Diskette Drive Logic Printed Circuit Board
(See page 3-24).
5. Remove retaining collar that holds LED assembly to front
panel.
6. Remove
LED assembly from front panel.
Front panel/;~~
Retaining ------;~~
Collar
LED
Grommet
LED
LED Assembly Replacement
1. Push LED assembly into grommet.
2. Push retaining collar over back of LED grommet.
3. Position cable along left side offrame and right side of motor.
Tie wires as necessary.
4. Replace Diskette Drive Logic Printed Circuit Board
(See page 3-26).
5. Replace System Unit cover (See page 3-98).
6. Reconnect cables to System Unit.
3-22

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