NEC D2246 Maintenance Manual page 61

+S.6V - - - - - - - - - - - - - - - - - -
+
3.8 V
( " -
)
)
7\
-
------
GND(OV
~
U
- 3.8V
..............
_------
-S.6V - - - - - - - - - - - - - - - - - _
Figure 5-5 Increment Seek (Cylinder 000 to Cylinder 691) Waveform
5-4