TM 1–1520–238–T–3
8–172
8–643 SIGNAL NAME:
P3M1 MSL RF CODE ACCEPT COMMAND
MEMORY LOCATION: 002026
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 inboard MRTU Type II to FCC.
PASS:
If third digit on HOD is 1, 3, 5, or 7, go to paragraph 8–644.
FAIL: Location of fault: right inboard launcher, wiring from right inboard launcher to right inboard
MRTU Type II, right inboard MRTU Type II. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–644 SIGNAL NAME:
P3M1 MSL LASER CODE ACCEPT COMMAND
MEMORY LOCATION: 001335
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 8–645.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–645 SIGNAL NAME:
P3M1 MSL LASER CODE ACCEPT COMMAND
MEMORY LOCATION: 002026
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 inboard 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 inboard launcher, wiring from right inboard launcher to right inboard
MRTU Type II, right inboard MRTU Type II. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–646 SIGNAL NAME:
P3M1 MSL COAX B CONNECT
MEMORY LOCATION: 001335
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 8–647.
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
