TM 1–1520–238–T–3
8–38
8–121 SIGNAL NAME:
P1M1 MSL DEICE #2 CMD
MEMORY LOCATION: 001714
MEMORY DATA BIT(S):
4
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Issues deicing squib fire command to selected missile.
REMARKS: From launcher through left outboard MRTU Type II to FCC.
PASS:
If sixth digit on HOD is 1, 3, 5, or 7, go to paragraph 8–1118.
FAIL: Location of fault: left outboard launcher, wiring from left outboard launcher to left outboard
MRTU Type II, left outboard MRTU Type II. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–122 SIGNAL NAME:
P1M1 MSL BIT CONTROL
MEMORY LOCATION: 001300
MEMORY DATA BIT(S):
6–9
(HEX)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands BIT on autopilot.
REMARKS: From RHE to ECSP.
PASS:
If fifth digit displayed on HOD is 0, 1, or 2, and the fourth digit displayed on HOD is 2, 3, 4, 5,
6, or 7 go to paragraph 8–123.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–123 SIGNAL NAME:
P1M1 MSL BIT CONTROL
MEMORY LOCATION: 001714
MEMORY DATA BIT(S):
6–9
(HEX)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands BIT on autopilot.
REMARKS: From launcher through left outboard MRTU Type II to FCC.
PASS:
Location of fault if fifth digit displayed on HOD is 0, 1, or 2, and the fourth digit displayed on
HOD is 2, 3, 4, 5, 6, or 7: Replace left outboard launcher missile 1 (TM 9–1427–475–20).
FAIL: Location of fault: left outboard launcher, wiring from left outboard launcher to left outboard
MRTU Type II, left outboard MRTU Type II. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–124 SIGNAL NAME:
P1M1 MSL INDIRECT FIRE LO
MEMORY LOCATION: 001300
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands low flight profile for lock–on after launch (LOAL) operation.
REMARKS: From RHE to ECSP.
PASS:
If fourth digit on HOD is 1, 3, 5, or 7, go to paragraph 8–125.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
