IBM 5150 - Page 109

Position the System Unit Power switch to Off. Remove the
Diskette Logic Printed Circuit Board. (See Section 3,
"Removal/Replacement.") Move
the Read/Write head
assembly
to the rear of the Diskette Drive assembly until it
reaches track O.
------------------------------------------~
Track 0
DID THE HEAD MOVE TO TRACK 0 WITH NO BINDS?
NO Replace the Diskette Drive assembly. See Section 3,
"Removal/Replacement. "
YES
600-14