Dysan 224 Anweisungen zum Ausrichten - Seite 5

Blättern Sie online oder laden Sie pdf Anweisungen zum Ausrichten für Lagerung Dysan 224 herunter. Dysan 224 7 Seiten.

Seite drucken
111.
Index/Sector Photo Transducer Alignment
A.
Insert Dysan 224.
B.
Step Carriage to track 01.
C.
With oscilloscope triggered on the leading edge
of "Index", set the time base to 50 usec/division.
D.
Connect probes and set vertical deflection in
such a fashion as to display the read signal at
the output of the differential amplifier. Ground
probes to the PCB. Set the inputs to AC, Add
and invert one channel.
E.
Observe the timing between the start of the
sweep and the first data pulse. This time should
be 200 usec + 100 usec. If the timing is not within
this tolerance, continue to Step F.
F.
Observing the timing, adjust the Transducer in
accordance with the manufacturer's instruc-
tions until a 200 usec + 50 usec time incre-
ment is obtained.
IV.
Read/Write Head Load Pad Adjustment
Note:
This procedure only applies to those flex-
ible disc drives that have adjustable Head
Load Pads.
A.
Insert Dysan 224.
B.
Step Carriage to track 34.