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ClO
W
W
....
ClO
N
o
o
trJ
w
t
U1
AITBI
QlA
o
IDa
o
PHASES ROTATED fROM DRIVE-TO-DRIVE
TO
BALANCE LOADS .
CONNECTION
MAY
BE
A-8, A-C, OR
8-C
fOR eo HZ. 208 V AND
/ / +10 N fOR 60HZ, 220V.
.-
/
UNIT
/
POWER
"
/
...-r-__
~
I
I
I
GC
I
~
II
o
0-------------------
N
DRIVE
~
MOTOR
~---------------:~~O--------~
I
{
TO DRIVE
MOTOR
J
(SEE SEQUENCING)
(i)
-L....
o
V'o----~
A)
~XMFR
Bl
~AIT3
1RE~~~I£R1
c=JRECTlfIERS
I
. .
,
KMfR
A1
Aln
24 VAC
+20Y
r
+20v
-20V
+
i.lV
-ilV
FIRST SEEK
• INTERLOCK MOlOft
1 ' "
SEQUENCING
HYSTERESIS
BRAKE
KI
COIL
SENSING 80ARD
(SEE INTERLOCKS)
K2
LTO
DECK
READ/WRITE LOGIC
!
20
:~
• } TO
LOGIC
: .10
-----=rs
J
TO LOG'C
'V.,GULATO.,
-=I~
A2A~
AND
A~
A7
-
TO SERVO PREAMP
TO
SENSING
BOARD A2A3
.
ISEE INTER LOCKS)
TO SERVO PREAMP
+
46 V
.
D
RECTIflERSI
0
+
46
}
TO
VOICf
COIL POWER
AMP AZAI
KMFR
-46V
AND
fiLTERS
AITI
(SEE PWR INTERLOCKS FIGURE)
-16 V
Figure 3-2.
Power Distribution
-46
- - - - -....
ISEE INTERLOCKS)
EMERGENCY
TO
RETRACT CIRCUIT
I SEE INTERLOCKS)
7M80A
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