CSP−HMI−2
MD Helicopters, Inc
.
MAINTENANCE MANUAL
67−00−00
Page 105
Revision 39
G67−2016−1B
500N
R
Z
D
H
J
K
L
M
N
P
R
G
H
B
E
M
C
E
S
A
W
F
G
B
C
N
P
Q
F
T
D
C
A
B
E
F
Z
A
P5 (YAW RATE GYRO)
J1202P
E40
E31
P4 (YSAS ACTUATOR)
J3P
J2P
P1
RING FRAME
DISCONNECT
TAILBOOM
DISCONNECT
SAS ELECT CONTROL
(COMPUTER)
28VDC OUT
28V RTN
ACTUATOR ENABLE
SERVO CONTROL SIGNAL
SERVO CONTROL RTN
SHIELD
ACTUATOR POSITION
RTN
SHIELD
+15VDC
COM
−15VDC
SHIELD
28VDC RTN
CHASSIS GRND
28VDC IN
ON/OFF RELAY
ACTUATOR PCS TP
SERVO COM TP
HARD OVER TP
SIGNAL COMMON
LATERAL ACCEL TP
YAW RATE TP
YAW RATE IN +
YAW RATE IN −
SHIELD
28VDC OUT
28V RTN
−15VDC
+15VDC
J 28VDC PWR
K PWR END
L ACTUATOR ENABLE
S COMMAND SIG (L)
A COMMAND SIG (H)
B POSITION FEEDBACK (H)
P POSITION FEEDBACK (L)
C +15VDC
D SIGNAL COMMON
E −15VDC
F CHASSIS GND
SAS2C20
SAS9C20
SAS3C22
SAS4C22 WHT
SAS4C22 BLU
SAS5C22 WHT
SAS5C22 BLU
SAS6C22 WHT
SAS6C22 BLU
SAS6C22 ORN
SAS10C22
J
K
L
S
A
N
B
P
R
C
D
E
G
F
SAS2B20
SAS9B20
SAS3B22
SAS4B22 WHT
SAS4B22 BLU
SAS5B22 WHT
SAS5B22 BLU
SAS5B22
SAS6B22 WHT
SAS6B22 WHT
SAS6B22 ORN
SAS10B22
J
K
L
S
A
N
B
P
R
C
D
E
G
F
SAS2A20
SAS9A20
SAS3A22
SAS4A22 WHT
SAS4A22 BLU
SAS5A22 WHT
SAS5A22 BLU
SAS6A22 WHT
SAS6A22 BLU
SAS6A22 ORN
SAS10A22
SAS7A20N
SAS8A20N
SAS1B20
SAS15B22
SAS11A22 WHT
SAS11A22 BLU
SAS12A22
SAS13A22
SAS14A22
SAS17A22
SAS1A20
SAS15A22
2
1
5A
CB121
YSAS
YSAS
S12
3
2
SAS16A22N
S
C B A
SIG OUT (H)
SIG OUT (L)
+28VDC
PWR GND
−15VDC
+15VDC
Figure 101. YSAS Electrical Diagram (Sheet 1 of 2)