Control Circuits - Fujitsu M255XK Customer Engineering Manual

Read I
Write
IC
lDdu detector
File protect
detector
track 00
detector
Write data
...
Erue gate
Write gate
Side 1 select
l5V
Read
date
. .
TS-021-013087 ••• 01
....---4
Door
l.ocJt drive cinait
t----
Door lock IOleooid
~--1IMd
load soleDOid
Fl'ODt bezel iadicator
IDPUt
.
si&Dal
Buffer
FDMC IDterface
OIltplt
(Floppy
Disk Drive
si&Da1
tfechaoisll Q)otrol
LSl)
r--e'
Buffer
.
Spindle
IIOtor
I-----1Over-drive circuit
1 - - -
Stepping
mtor
driver
Figure 3-6 Control Circuits
3-9
.
Stepping
IDOtor
.