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IBM 5150 Hardware Maintenance Manual

IBM 5150
357 pages
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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

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IBM 5150 Specifications

General IconGeneral
ProcessorIntel 8088
Clock Speed4.77 MHz
RAM16 KB - 256 KB
ManufacturerIBM
Model5150
Release Year1981
Storage5.25-inch floppy drives
GraphicsMDA or CGA
Operating SystemIBM PC DOS
PortsCassette, keyboard
Expansion Slots5

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