IBM 5150 Hardware Maintenance Manual page 199

Diskette Drive Logic Printed Circuit Board
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.
3.
Remove System Unit cover (See page 3-98).
4. Disconnect connectors 8 through 13 from left rear of Diskette
Drive Logic Printed Circuit Board, connector 6 from right front
of Diskette Drive Logic Printed Circuit Board, and Diskette
Drive signal cable from right rear of Diskette Drive Logic
Printed Circuit Board.
Diskette Drive
Signal Cable
Top View
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