9130K Functional Block Diagram - HP 9130K Service Manual

INDEX
PULSE
~
INDEX
PULSE
SHAPING
NETWORK
INDEX
EMITTER
and
DETECTOR
WRITE WRITE FLEXIBLE
PROTECT ~ PROTECT ~ - - - -.....
DISC
TRACK
00
DIRECTION
STEP
WRITE
DATA
DRIVE
SELECT
WRITE
ENABLE
SIDE
SELECT
READ
DATA
DRIVE
MOTOR
ENABLE
~
----
---
~
~
~
---+
SWITCH
TRACK POWER
00 ON
SWITCH CIRCUIT
,
HEAD
DC
POSITION
STEPPER
CONTROL
MOTOR
tWRITE BUSY
~
WRITE
CURRENT
HEAD
f4---
ASSEMBLY
SOURCE
I+-
~
READ
AMPLIFIER
and
DIGITIZER
SPINDLE
MOTOR
DC DRIVE
DRIVE
MOTOR
CONTROL
f
SERVO
ELEC.
BOARD
HEAD
BIAS
Figure 3-4: 9130K Functional Block Diagram
Theory of Operation 3-5
~.