TM 1–1520–238–T–3
8–290
Change 4
8–1105 SIGNAL NAME:
MSL LAUNCHER POWER COMMAND (ACY) LCHR PWR IND (ACZ)
MEMORY LOCATION: 001440
MEMORY DATA BIT(S):
7
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates to RHE launcher power status.
REMARKS: From FCC to RHE.
PASS:
If fifth digit displayed on HOD is 1, 3, 5, or 7, replace FCC and test (TM 9–1427–475–20).
FAIL: Location of fault: RHE, wiring from RHE to ECSP, ECSP. Troubleshoot wiring to isolate fault
(TM 9–1427–475–20).
8–1106 SIGNAL NAME:
PRIORITY MSL INDICATE VALID
MEMORY LOCATION: 001341
MEMORY DATA BIT(S):
5
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates correct selection of next missile to be fired.
REMARKS: From RHE to FCC.
PASS:
If fifth digit displayed on HOD is 4, 5, 6, or 7, go to paragraph 8–1107.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
8–1107 SIGNAL NAME:
PRIORITY MSL INDICATE
MEMORY LOCATION: 001341
MEMORY DATA BIT(S):
6–9
(HEX)
CONDITION:
If the fourth digit displayed on HOD is 0=P1M1
If the fourth digit displayed on HOD is 1=P1M2
If the fourth digit displayed on HOD is 2=P1M3
If the fourth digit displayed on HOD is 3=P1M4
If the fourth digit displayed on HOD is 4=P2M1
If the fourth digit displayed on HOD is 5=P2M2
If the fourth digit displayed on HOD is 6=P2M3
If the fourth digit displayed on HOD is 7=P2M4
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 0=P3M1
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 1=P3M2
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 2=P3M3
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 3=P3M4
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 4=P4M1
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 5=P4M2
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 6=P4M3
If the fifth digit displayed on HOD is 1 and fourth digit displayed
on HOD is 7=P4M4
SIGNAL FUNCTION:
Indicates selection of next missile to be fired.
REMARKS: From RHE to FCC.
PASS:
If CONDITION corresponds to selected missile, go to paragraph 8–1108.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
