Y-E Data YD-380 - Page 41

Pin No. Signal Name
lA
PRE AMP. OUTPUT lA
IB
PRE AMP. OUTPUT IB
2A DIFFERENTIATOR OUTPUT 2A
2B DIFFERENTIATOR OUTPUT 2B
3 INDEX
4
ERASE
5
TRACK 00
G GROUND
TRANSDUCER - J3
Pi"n No. Signal Name Color
A 1
STEPPER
D
ORANGE
B
1
STEPPER
A
BLACK
A
2
STEPPER
(+12V)
RED'
B
2
STEPPER
.B
YELLOW
A 3 STEPPER
(+12V)
RED
B
3 STEPPER
C
BROWN
A
4
HEAD LOAD SOLENOID(+12V)
'WHITE
B
4.
HEAD LOAD SOLENOID
GREEN
A
5
DRIVE MOTOR (+12V)
RED
B 5
DRIVE MOTOR (GND)
BLACK
A 6 MOTOR ON
BLUE
B
6 KEY
-
A 7
INDEX SENSOR LED
ORANGE
B 7
- -
A 8
W/P
SENSOR LED
YELLOW
B
8
KEY
-
A
9 W/P
SENSOR PTK
ORANGE
B
9 W!P
SENSOR RET.
BLACK
A 1-0
IN USE LED (ANODE)
RED
B 10
IN USE LED
(CATHODE)
BLACK
A 11
INDEX SENSOR PTK
BLUE
B 11
INDEX SENSOR PTK RET.
BLACK
A 12
TRACK 00 SENSOR
GREEN
B 12
TRACK 00 SENSOR LED RET.
BLACK
A 13
TRACK 00 SENSOR PTK
BROWN
B 13
TRACK 00 SENSOR PTK RET.
BLACK
A 14
MEDIA SENSOR LED
YELLOW
B 14
MEDIA SENSOR RET.
BLACK
A 15
MEDIA SENSOR PTK
BLUE
B 15
-
-
DC - J2
Pin No.
Signal Name
1
+12V
DC
2
+12V
RETURN
3
+ 5V
RETURN
4
+
5V
DC
Pin No.
A 1
B 1
A 2
B 2
A 3
B 3
A 4
B 4
A
'5
B 5
A 6
B 6
A 7
B 7
HEADS - J4
Signal Name
SHIELD (HEAD 0)
SHIELD (HEAD 1)
KEY
ERASE (HEAD 0)
ERASE (HEAD 1)
W/R ERASE COMMON(HEAD 0)
W/R ERASE COMMON(HEAD 1)
WlR (HEAD 1)
W/R (HEAD 0)
W/R (HEAD 1)
TEST POINTS
Color
RED
RED
GREEN
GREEN
BLACK
BLACK
WHITE'
WHITE