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2-8
Interface Information
J3
Pin
Description
1
Head Shield
2
Wrt Head 1 (R/W Coil)
3
Center Tap
4
Wrt Head 1 (R/W Coil)
5
Erase Coil
6
Erase Coil
7
Wrt Head 2 (R/W Coil)
8
Center Tap
9
Wrt Head 2 (R/W Coil)
10
Shield
J
10--
Figure 2-7:
Servo Electronics Board Jl
Pin
Description
1
+
Tach
2
- Tach
3
+
Motor Power
4
Motor Return
5
NC
6
NC
7
N Motor On
8
NC
9
GND
10
+
12V
Typical Interface Drive/Receiver Circuits
The output control lines have the following electrical specifications:
True
=
Logical Zero
=
Vout
+
O.4V (max.)
@
lout 48ma (MAX)
False
=
Logical One
=
Vout
+
2.4V (min.) lout 250ma (max.)
J1
1~
I
~
~
a
I I
~
~
~
--
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