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b.
When using a dual-sided flexible disk, measure the
waveform at TP7 checking for a pulse width of 1 to
3 ms (see Figure 5-6).
c.
If the waveform does not meet this specification,
adjust the index sensor as in Section 4.4.7.
Figure 5-6
5.5.2
00 Track Sensor Check or Adjustment
If the 00 track sensor in the carriage assembly is replaced,
carry out the following procedure.
a.
Repeatedly perform a seek between track 0 and track
7 at a step time of 3 ms to 5 ms.
b.
Check that the Track 00 signal occurs within 2.0 ms
to 2.5 ms of the Step signal to track 00 (see Figure
5-7) .
c.
If the timing exceeds the specified value,
the installation sczew of the 00 track sensor and
move it inwards until the signal meets the specifi
cation (2.0 to 2.5 ms).
move the sensor too much or it may identify track 2
as track 00.
Waveforms at TP7 and TP10
Figure 5-7
Track 00 Signal
5-9
Make sure that you do not
loosen
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