IBM 5280 Manual page 173

IBM S28S DISKETTE MAP
2 DRIVEr DDCC
PAGE
1 OF
S
ENTRY POINTS
FROM
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ENTER THIS MAP
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MAP
I
ENTRY PAGE STEP
NUMBER
I
POINT NUMBER NUMBER
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2010
I
A 1 001
001
(ENTRY POINT A)
- Power Off.
- Carefully move the Head/Carriage
on the failing drive to the
innermost track.
- Observe to see if the stepper
motor pulley and drive band are
tight are operating correctly.
If not, see the Diskette MIM's
for the replacement or
adjustment procedures.
- Power On.
- Observe the Head/Carriage on the
failing drive.
Does the Head/Carriage access to
the outermost track?
Y N
002
- Probe TPF02 (31SD) or TPGOl
(SlTD)
'+
Write/Erase Sense'
on the failing Diskette Drive
Control card (MIM 313).
Up light: Off
Down light: On
Are the lights correct?
Y N
2 2 2
A 8 C
Copyright IBM Corp 1980
MAP 2260-1
EXIT POINTS
EXIT THIS MAP
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TO
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PAGE STEP
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MAP ENTRY
NUMBER NUMBER
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NUMBER POINT
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2 009
I
2280 A
S
037
8000 A
ECS40874
MAP 2260-1