TM 1–1520–238–T–3
Change 4
12–13
12–36 SIGNAL NAME:
P1 POLLED AND RKT PRESENT (ACY) STD1 RESP ECHO (ACZ)
MEMORY LOCATION: 001263
MEMORY DATA BIT(S):
5
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Displays (on HOD) number of rockets remaining in each zone.
REMARKS: From FCC through LH FAB MRTU Type I to RCP.
PASS:
If the fifth digit displayed on HOD is 4, 5, 6, or 7, go to paragraph 12–37.
FAIL: Location of fault: LH FAB MRTU Type I, wiring from LH FAB MRTU Type I to RCP, RCP.
Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2).
12–37 SIGNAL NAME:
STA DIR 1 RKT POLL (ACY) STD1 RESPONSE (ACZ)
MEMORY LOCATION: 001656
MEMORY DATA BIT(S):
4–19
(SCALAR)
CONDITION:
Monitor HOD; movement of the pylons down should show a decreasing negative
number (1 in the sixth digit) and movement of the pylons up should show a positive
increasing number (0 in the sixth digit)
SIGNAL FUNCTION:
Monitors pylon 1 position.
REMARKS: From station director 1 through LH outboard (OUTBD) MRTU Type II to FCC.
PASS:
Location of fault if condition is met: pylon actuator controller, wiring from pylon actuator
controller to pylon actuator, pylon actuator. Troubleshoot wiring to isolate fault
(TM 9–1090–208–23–2).
FAIL: Location of fault: station director 1, wiring from station director 1to LH OUTBD MRTU Type II,
LH OUTBD MRTU Type II. Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2)
12–38 SIGNAL NAME:
STA DIR 2 STATUS
MEMORY LOCATION: 001160
MEMORY DATA BIT(S):
7
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of station director 2 (pylon 2).
REMARKS: From station director 2 through RCP through LH FAB MRTU Type I to FCC.
PASS:
If fifth digit displayed on HOD is 1, 3, 5, or 7, go to paragraph 12–39.
FAIL: Location of fault: station director 2, wiring from station director 2 to RCP, RCP, wiring from RCP
to LH FAB MRTU Type I, LH FAB MRTU Type I. Troubleshoot wiring to isolate fault
(TM 9–1090–208–23–2).
12–39 SIGNAL NAME:
P2 POLLED AND RKT PRESENT (ACY) STD2 RESP ECHO (ACZ)
MEMORY LOCATION: 001263
MEMORY DATA BIT(S):
6
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Displays (on HOD) number of rockets remaining in each zone.
REMARKS: From FCC through LH FAB MRTU Type I to RCP.
PASS:
If the fifth digit displayed on HOD is 2, 3, 6, or 7, go to paragraph 12–40.
FAIL: Location of fault: LH FAB MRTU Type I, wiring from LH FAB MRTU Type I to RCP, RCP.
Troubleshoot wiring to isolate fault (TM 9–1090–208–23–2).
