TM 1–1520–238–T–3
Change 4
8–91
8–329 SIGNAL NAME:
LCHR1 REMOTE SEEKER EL (ACY) P1 1ST TRKG MSLEL (ACZ)
MEMORY LOCATION: 001663
MEMORY DATA BIT(S):
4–19 (ACY) 4–15 (ACZ)
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
the seeker is down and positive (sixth digit=0) when seeker is up.
SIGNAL FUNCTION:
Provides selected analog signal to FCC.
REMARKS: From launcher through left outboard MRTU Type II to FCC.
PASS:
If CONDITION corresponds to correct response, go to paragraph 8–330.
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).
8–330 SIGNAL NAME:
LCHR1 REMOTE SEEKER EL (ACY) P1 RMT SKREL CMD (ACZ)
MEMORY LOCATION: 001701
MEMORY DATA BIT(S):
4–19 (ACY) 4–15 (ACZ)
(SCALAR)
CONDITION:
Monitor HOD; memory location response should indicate negative (sixth digit =1) when
seeker is down and positive (sixth digit=0) when seeker is up.
SIGNAL FUNCTION:
Provides selected missile analog signal to launcher from FCC.
REMARKS: From FCC through left outboard MRTU Type II to launcher.
PASS:
Troubleshoot wiring from remote controlled circuit breaker (RCCB) to ECSP, ECSP to isolate
fault (TM 9–1427–475–20).
FAIL: Location of fault: left outboard MRTU Type II, wiring from left outboard MRTU Type II to FCC.
Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
8–331 SIGNAL NAME:
P2 LAUNCHER PRESENT (ACY) L2 PRESENT (ACZ)
MEMORY LOCATION: 001344
MEMORY DATA BIT(S):
14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates presence or absence of launcher.
REMARKS: From RHE to FCC.
PASS:
If second digit on HOD is 4, 5, 6, or 7, go to paragraph 8–332.
FAIL: Location of fault: RHE, wiring from RHE to FCC. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–332 SIGNAL NAME:
P2 LAUNCHER SAFE (ACY) L2 SAFE (ACZ)
MEMORY LOCATION: 001344
MEMORY DATA BIT(S):
18
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to operator when a remote safe condition exists at launcher.
REMARKS: From RHE to FCC.
PASS:
If first digit on HOD is 0, go to paragraph 8–333.
FAIL: Location of fault: RHE, wiring from RHE to FCC. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
