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" I
~"
I
,TECT
• DETECT
'RITE CUR RENT
I
I
~:
=---~
FROM
VELOCITY
TRANSDUCER
LAMP
K
CHANNEL
CHANNEL
CHANNEL
FROM
ENCODER
LAMP
ASSEMBLY
FROM SERVO
AMPLIFIER/REGULATOR
ASSEMBLY A4
ID
+5V
-12V
+12V
TO XASA-E
FROM XA6-M
FROM XA6-L
FROM XA6-K
TO XA6-H
TO XA6-F
TO J4-15
TO XA6-E
FROM XA6-4
TO XA6-D
TO XA6-3
FROMXA6-C
TO XA6-2
FROM XA6-B
TOXA6-1
FROM XA6-A
FROM XAI2B-B
FROM J3-2
FROM XAI2A-J
FROM XA12B-A
FROM XA12A-K
FROM XA11B-C
FROM XA12A-L
FROM XAllB-D
FROM XAI2A-M
TO XA9B-E
FROM XA12A-N
TO XA9B-F
FROMXA11B-E
TO J4-14
TO XA10B-J
TO J4-13
FROM XA10B-K
TO J4-12
FROM XA10B-l0/L
NC
NC
NC
NC
WITH XA13-24
NC
WITH XA 13-23
FROM!TO XASB-14/R,
XAI3-22
F ROM!TO XASB-15/S,
XA13-21
XA7A
I
XA7B
A
READ/wRITE CONTROL PCA
f7 (07901-60004)
+5V
I I
:
I
+5V
P2
-12V
+12V
INTERLOCK LINE
READA
READB
WRITE B
WRITEA
SERIAL DATA
WRITE GATE
MU L TI-HEAD DETECT
DECREASE WRITE CURRENT
I
ERASE GATE
DC WRITE DETECT
HEAD 1 SELECT
AC WRITE DETECT
HEAD 0 SELECT
ERASE DETECT
SELECT AND CONTROL
DATA PROTECT
DRIVE OUTBUS 0
SEEK
DRIVE OUTBUS 1
HEAD 1
DRIVE OUTBUS 2
HEAD 1
DRIVE OUTBUS 3
SHIFT IN
DRIVE OUTBUS 4
SHIFT OUT
>TRACK 12B
R/W FAULT A
R/W UNSAFE
R/W FAULT B
R/W RESET
R/W FAULT C
ACCESS READY
NC
TEST PIN (FOR 2060)
TEST PI N (FO R 2060)
NC
R,w CLOCK B (NOT USED)
NC
I
R/W CLOCK A (NOT USED)
I
-12V
f12V
TO XA9A-E
FROM XA7A-5
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
FROM XAI2A·J
FROMXA12A-K
FROMXAI2A-L
FROM XAI2A·M
FROM XA12A-N
FROMJ4-1 OR XAI4-A
FROMJ4-90R XA14-1
FROM J4·10 OR XAI4-B
FROMJ4-AOR XAI4·C
FROM J4-D OR XA 14-7
FROM J4-8 OR XA14-15
FROM XA12B-7 OR XA13-20
FROM XAI2B-80R XA13·11
FROM XAI2B-9 OR XA13-12
I
FROM XA12B-l0 OR XA13-13
TO XA14·21
TO XA14-22
WITH XA14-23
WITH XA14-24
FROM!TO XA7B-14/R
FROM!TO XA7B-15/S
~--
:::::::::~
j
AUXILIARY FUNCTION PCA
r-pS1(07901~15L
XABA
I
I
P1
10
XASB
H
K
P2
+5V (NOT USED)
-12V (NOT USED)
+12V (NOT USED)
INTERLOCK LINE
NC
NC
NC
NC
NC
NC
NC
NC
NC
NC
DRIVE OUTBUS
0
(NOT USED)
DRIVE OUTBUS 1 (NOT USED)
DRIVE OUTBUS 2 (NOT USEDI
DRIVE OUTBUS
3
(NOT USED)
DRIVE OUTBUS 4 (NOT USED)
CONTROL (NOT USED)
OUT BUS BIT 1 (NOT USED)
OUTBUS BIT
0
(NOT USED)
OUTBUS BIT
3
(NOT USED)
OUTBUS BIT
4
(NOT USED)
OUT BUS BIT 2 (NOT USED)
SELECT AND DRIVE READY (NOT USED)
SELECT AND SECTOR PULSE (NOT USED)
SELECT AND SECTOR COMPARE (NOT USED)
SELECT AND ACCESS READY (NOT USED)
WRITE/READ DATA 1
WRITE/READ DATA 2
R/w CLOCK A (NOT USED)
R/W CLOCK B (NOT USED)
I
I
II -
: : : : : _ : : : _ : : _ : : _ : : _ ~
_-
~
i
i
-12V
+12V
TO XA10A·E
FROM XASA-5
FROM JS-7
FROM J5-5
FROM J5-9
NC
NC
NC
NC
NC
NC
FROM J4·23
TO J3·3
NC
NC
NC
NC
FROM XA1DB-A
TO XA10B-B
FROM XA1OB-C
TO XA10B-D
TO XA1DB·E
FROM XA7B-E
FROM XA1DB-F
FROM XA7B-F
FROM XA11B-H
NC
FROM XA11B-J
NC
TO XA11B·K
NC
TO XA11B-L
NC
FROM XAllB-M
NC
NC
NC
NC
NC
NC
NC
FROM J6-3
K
10
11
M
14
15
P2
K
10
11
M
12
N
13
-12V
+12V
INTERLOCK LINE
B CHANNEL
CCHANNEL
A CHANNEL
NC
NC
NC
NC
NC
NC
TEST SERVO INHIBIT
CURRENT COMMAND
NC
NC
NC
NC
RETRACT
AT HOME
SERVO INHIBIT
POSITION MATCH
HEADS LOADED
SHIFT IN (NOT USED)
SEEK HOME
SHIFT OUT (NOT USED)
VELOCITY COMMAND
NC
CARRY
NC
REVERSE COUNT
NC
FORWARD COUNT
NC
CYLINDER MATCH
NC
NC
NC
NC
NC
I
I
"c~'"'~dJ
+5V
-12V
+12V
TO XA11A-E
FROM XA9A-5
FROM XAI2A-3
TO J3·10
TO XA12A-D
FROM J3-9
NC
FROM J3-8
NC
TOJ3-7
NC
TO J3-6
NC
TO J3-5
NC
TOJ3-4
NC
FROM J4-K
NC
FROM J5·2
NC
NC
NC
TO XA9B·l/A
TO XAI2B-C
FROM XA9B-2/B
NC
TO XA9B-3!C
TO XAI2B-D
FROM XA9B-4!D
FROM XAI2B-E
FROM XA9B-S
FROM XAI2B-F
TO XA9B-6
TO XAI2B-H
NC
FROM XA 12B·J
FROM XA7B-8
TO XAI2B-K
TO XA7B-9
TO XA7B-10, XAI2B-L
TO XAI2B-M
NC
FROM XAllB-N
NC
FROM XA11B-P
NC
TO XA11B-R
NC
FROM XAllB-S
TO XAllB-15
10 MILSECTOR CYLINDER PCA
XA10AI
DRIVE CONTROL PCA
r.o7~-~2)
+5V
-li---=?
1::m'''~L_
I
I
+5V
+5V
-12V
I
I
-12V
-12V
13
14
15
XA10B
P2
A
D
K
10
11
M
+12V
INTERLOCK LINE
INTERLOCK LINE
LATCH DRIVE
SELECT ENABLE
LOAD SWITCH
NC
CARRIAGE RETRACTED
INITIAL TEST
ENERGIZE MOTOR RELAY
LONG DELAY TEST
ENERGIZE SERVO RELAY
NC
DRIVE FAULT LAMP
NC
DRIVE READY LAMP
NC
RESET
NC
ENCODER LAMP INTERLOCK
NC
NC
NC
RETRACT
DRIVE READY
AT HOME
NC
SERVO INHIBIT
DRIVE FAULT
POSITION MATCH
RESEEK HOME
HEADS LOADED
DRIVE SET CYLINDER
SEEK HOME
SEEK CHECK
NC
SELECT AND CONTROL AND OUTBUS 71
R/w UNSAFE
FIRST STATUS
R/W RESET
ACCESS READY
ATIENTION
NC
12
SPEED DOWN
NC
13
SPEED UP
I
NC
1
.I
I
NC
14
RESET COUNTERS
J
I
+12V
TO XA12A-C
FROM XA10A-5
TO J4·21
TO J4-S
FROM XAI2A-H
TOJ4·R
FROM XAI2A·J
TO J4-P
FROM XA12A·K
TOJ4-N
FROM XA12A-L
NC
FROM XAI2A-M
TOJ4-T
FROM XAI2A·N
TO J4-16
FROM XAI2A·P
TO J4-17
FROM XAI2A-R
TO J4·18
FROM XAI2A-S
TO J4·20
TOJ4-19
FROM XA12B-A
TO J4-Y
NC
TOJ4·22
TO XA7B·C, J4-M
TO J4-Z
TO XA7B-D
TO J4-L
TO XA7B-7
NC
FROM J3-14
NC
TO XA9B-7
NC
TO XA9B-8
NC
FROM XA9B-9
NC
FROM XA9B-10
NC
TO XA9B-11
TO XAI2B-N
TO XA1DB-12
TO XAI2B-l'
TO XA10B-13
NC
FROM XA10B-14
FROM XAlOB-S
TO XA10B-15
K
10
11
M
12
13
14
15
XA11B
P2
A
C
10
11
M
12
13
14
15
+12V
INTERLOCK LINE
DRIVE SET HEAD AND
SAR 1
SECT
DRIVE OUTBUS 0
SAR 4
DRIVE OUTBUS 1
SAR 8
DRIVE OUTBUS 2
NC
DRIVE OUTBUS 3
SAR 16
DRIVE OUTBUS4
SUB 16
DRIVE OUTBUS 5
SUB 32
DR IVE OUTBUS 6
SUB 2
DRIVE OUTBUS 7
SUB 1
SUB 8
SEEK
~
NC
SUB
64
HEAD 1
SUB 128
HEAD 1
HEAD2
>TRACK 128
NC
SECTOR TRANSDUCER
NC
VELOCITY COMMAND
NC
CARRY
NC
REVERSE COUNT
NC
FORWARD COUNT
NC
CYLINDER MATCH
SECTOR COMPARE
SPEED DOWN
SECTOR PULSE
SPEED UP
NC
RESET COU NTE RS
INITIAL RESET
ILLEGAL ADDRESS
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