TM 1–1520–238–T–3
Change 4
16–5
16–12 SIGNAL NAME:
LASER CCM SW (ACY) LRFD CCM SW (ACZ)
MEMORY LOCATION: 000437
MEMORY DATA BIT(S):
8
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Prevents erratic range data due to jamming.
REMARKS: From CPG FCP through CPG MRTU Type III to FCC.
PASS:
If fourth digit on HOD is 0, 1, 2, or 3, go to Chapter 8, paragraph 8–105.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to CPG MRTU Type III, CPG MRTU Type III.
Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
16–13 SIGNAL NAME:
CPG UPPER CHANNEL SW
MEMORY LOCATION: 000437
MEMORY DATA BIT(S):
9
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Selects missile upper channel.
REMARKS: From CPG FCP through CPG MRTU Type III to FCC.
PASS:
If fourth digit on HOD is 0, 1, 4, or 5, go to paragraph 16–24.
FAIL: Location of fault: go to Chapter 8, paragraph 8–1137.
16–14 SIGNAL NAME:
CPG LOWER CHANNEL SW
MEMORY LOCATION: 000437
MEMORY DATA BIT(S):
10
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Selects missile lower channel.
REMARKS: From CPG FCP through CPG MRTU Type III to FCC.
PASS:
If fourth digit on HOD is 0, 2, 4, 6, go to paragraph 16–25.
FAIL: Location of fault: go to Chapter 8, paragraph 8–1148.
16–15 SIGNAL NAME:
GUN FIXED SW
MEMORY LOCATION: 000437
MEMORY DATA BIT(S):
12
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Drives gun to fixed forward position.
REMARKS: From CPG FCP through CPG MRTU Type III to FCC.
PASS:
If third digit on HOD is 2, 3, 6, or 7, go to Chapter 5, paragraph 5–17.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to CPG MRTU Type III, CPG MRTU Type III,
wiring from CPG FCP to turret control box, turret control box. Troubleshoot wiring to isolate fault
(TM 9–1230–476–20–2).
16–16 SIGNAL NAME:
CPG RKT GND STOW
MEMORY LOCATION: 000437
MEMORY DATA BIT(S):
13
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Selects pylon positions.
REMARKS: From CPG FCP through CPG MRTU Type III to FCC.
PASS:
If third digit on HOD is 1, 3, 5, or 7, go Chapter 12, paragraph 12–5.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to CPG MRTU Type III, CPG MRTU Type III,
wiring from CPG FCP to external stores elevation controller, external stores elevation controller.
Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
