IBM 6580 User Manual

9~ Run: the Track Step Test (RNA Test
T) while flexing (moving) thefol-
lowing:
- The cables referenced·in Step 2
The
diskette drive cable,
·diskette drive cable connectors
B3, B4, and the file' control card
- The"stepper .motor cable and con-
nector.
•
•
Failure. Check the cable and
connector.
No Failure. Continue with
this procedure~
10. Run the Diskette Stepper Motor
Phase Test (RNA Test M)
•
Failure.
failure
system
cards.
See Section 15 for
codes. Reseat the
and diskette adapter
Check the cables and
connectors referenced in Steps
2 and 9, and check the track
stepping mechanisms.
• No Failure. Continue with
this procedure.
11. Run the Diskette Stepper Motor
Phase Test (RNA Test M) while
flexing (moving) the cabl~s and
connectors referenced in Steps 2
and 9.
•
•
Failure . Check the cable and
connector.
No Failure. Continue with
this procedure.
12. Run the Diskette Drive Set,Ready
Test (RNA Test L)
•
•
Failure.
failure
system
cards ..
See Sect ion 15 for
codes. Reseat the
and diskette adapter
Check the cables and
connectors referenced in Steps
2 and 9, and check the track
stepping mechanisms.
No Failure. Continue with
this procedure.
13. Run the Diskette Drive Set Ready
Test (RNA Test L) while flexing
(moving) the cables and connectors
referenced in Steps 2 and 9.
• Failure. Check the cable and
connector.
•
No Failure. Check all ground
wires for a good ground.
Note: I f you suspect another area,
see that section. If not, see Section
9.
10-8 IBM Displaywriter Product Support Manual

IBM 6580 Specifications

General

Brand	IBM
Model	6580
Category	Desktop
Language	English