TM 1–1520–238–T–3
8–248
8–939 SIGNAL NAME:
P4M2 MSL SEEKER SLAVE CMD
MEMORY LOCATION: 002066
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands laser seeker to enter slave mode.
REMARKS: From launcher through right outboard MRTU Type II to FCC.
PASS:
If first digit on HOD is 4, 5, 6, or 7, go to paragraph 8–946.
FAIL: Location of fault: right outboard launcher, wiring from right outboard launcher to right outboard
MRTU Type II, right outboard MRTU Type II. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–940 SIGNAL NAME:
P4M2 MSL STARE TRACK CMD
MEMORY LOCATION: 001304
MEMORY DATA BIT(S):
18
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands laser seeker to enter stare mode. If proper laser code is detected
in seeker FOV, seeker will enter track mode.
REMARKS: From RHE to ECSP.
PASS:
If first digit on HOD is 2, 3, 6, or 7, go to paragraph 8–941.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–941 SIGNAL NAME:
P4M2 MSL STARE TRACK CMD
MEMORY LOCATION: 002066
MEMORY DATA BIT(S):
18
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands laser seeker to enter stare mode. If proper laser code is detected
in seeker FOV, seeker will enter track mode.
REMARKS: From launcher through right outboard MRTU Type II to FCC.
PASS:
If first digit on HOD is 2, 3, 6, or 7, refer to failure symptom index and next failure symptom
paragraph.
FAIL: Location of fault: right outboard launcher, wiring from right outboard launcher to right outboard
MRTU Type II, right outboard MRTU Type II. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–942 SIGNAL NAME:
P4M2 MSL CORRELATE
MEMORY LOCATION: 001431
MEMORY DATA BIT(S):
16
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates laser has detected a laser beam whose laser code agrees with
internal stored code.
REMARKS: From ECSP to RHE.
PASS:
If second digit on HOD is 1, 3, 5, or 7, go to paragraph 8–943.
FAIL: Location of fault: replace right outboard launcher (TM 9–1425–475–30–2).
