TM 1–1520–238–T–3
8–238
8–900 SIGNAL NAME:
P4M1 MSL RF CODE ACCEPT COMMAND
MEMORY LOCATION: 002073
MEMORY DATA BIT(S):
13
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands missile seeker to accept RF code data from analog command lines
3 and 4. Commands ECSP to hook up analog commands 3 and 4 to selected
missile.
REMARKS: From launcher through right outboard MRTU Type II to FCC.
PASS:
If third digit on HOD is 1, 3, 5, or 7, go to paragraph 8–901.
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).
8–901 SIGNAL NAME:
P4M1 MSL LASER CODE ACCEPT COMMAND
MEMORY LOCATION: 001311
MEMORY DATA BIT(S):
14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands laser code information received from RHE by launcher on coax A
and B to be relayed to identified missile.
REMARKS: From RHE to ECSP.
PASS:
If second digit on HOD is 4, 5, 6, or 7, go to paragraph 8–902.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–902 SIGNAL NAME:
P4M1 MSL LASER CODE ACCEPT COMMAND
MEMORY LOCATION: 002073
MEMORY DATA BIT(S):
14
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands laser code information received from RHE by launcher on coax A
and B to be relayed to identified missile.
REMARKS: From launcher through right outboard MRTU Type II to FCC.
PASS:
If second digit on HOD is 4, 5, 6, or 7, go to paragraph 8–1106.
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).
8–903 SIGNAL NAME:
P4M1 MSL COAX B CONNECT
MEMORY LOCATION: 001311
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Commands launcher to connect coax B to indicated missile.
REMARKS: From RHE to ECSP.
PASS:
If first digit on HOD is 4, 5, 6, or 7, go to paragraph 8–904.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
