TM 1–1520–238–T–3
10–9
10–30 SIGNAL NAME:
PNVS FXD SW
MEMORY LOCATION: 001122
MEMORY DATA BIT(S):
9
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates PNVS is set to fixed forward.
REMARKS: From pilot FCP through LH FAB MRTU Type I to FCC.
PASS:
Location of fault if fourth digit on HOD is 0, 1, 4, or 5: LH FAB MRTU Type I, wiring from LH
FAB MRTU Type I to pilot FCP, pilot FCP, turret assembly. Troubleshoot wiring to isolate fault
(TM 1–5855–265–T).
FAIL: Location of fault: pilot FCP, wiring from pilot FCP to LH FAB MRTU Type I, LH FAB MRTU Type
I. Troubleshoot wiring to isolate fault (TM 9–1230–476–20–2).
10–31 SIGNAL NAME:
PNVS ELEVATION LIMIT
MEMORY LOCATION: 001135
MEMORY DATA BIT(S):
18
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates PNVS turret has been driven to upper or lower limits.
REMARKS: From TEU through LH FAB MRTU Type I to FCC.
PASS:
If first digit on HOD is 0, 1, 4, or 5, go to paragraph 10–33.
FAIL: Location of fault: PNVS turret, TEU, wiring from TEU to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 1–5855–265–T).
10–32 SIGNAL NAME:
PNVS AZIMUTH LIMIT
MEMORY LOCATION: 001135
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates PNVS has been driven to left or right limits.
REMARKS: From TEU through LH FAB MRTU Type I to FCC.
PASS:
Location of fault if first digit on HOD is 1, 3, 5, or 7: LH FAB MRTU Type I, wiring from LH FAB
MRTU Type I to TEU, TEU. Troubleshoot wiring to isolate fault (TM 1–5855–265–T).
FAIL: Location of fault: PNVS turret, TEU, wiring from TEU to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 1–5855–265–T).
10–33 SIGNAL NAME:
PNVS DIRECT COMMAND
MEMORY LOCATION: 001627
MEMORY DATA BIT(S):
4
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Disengages TEU (emergency operation).
REMARKS: From FCC through RH FAB MRTU Type I to PEU.
PASS:
Location of fault if sixth digit on HOD is 0: TEU, PEU, wiring from PEU to RH FAB MRTU Type
I, RH FAB MRTU Type I. Troubleshoot wiring to isolate fault (TM 1–1270–476–T).
FAIL: Location of fault: PEU, RH FAB MRTU Type I, wiring from RH FAB MRTU Type I to PEU, PEU.
Troubleshoot wiring to isolate fault (TM 1–5855–265–T).
