TM 1–1520–238–T–3
8–298
8–1137 SIGNAL NAME:
MSL UPPER QUANTITY COMMAND
MEMORY LOCATION: 001441
MEMORY DATA BIT(S):
5–7
(BINARY)
CONDITION:
If the fifth digit displayed on HOD is 0=0
If the fifth digit displayed on HOD is 1=1
If the fifth digit displayed on HOD is 2=2
If the fifth digit displayed on HOD is 3=3
SIGNAL FUNCTION:
Indicates upper missile quantity selection of upper pushbutton index switches.
REMARKS: From CPG FCP to RHE.
PASS:
If CONDITION corresponds to selected quantity, go to paragraph 8–1138.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to RHE, RHE. Troubleshoot wiring to isolate
fault (TM 9–1427–475–20).
8–1138 SIGNAL NAME:
MSL UPPER QUANTITY SW
MEMORY LOCATION: 001075
MEMORY DATA BIT(S):
10–11
(BINARY)
CONDITION:
If fourth digit displayed on HOD is 0, 2, 4, or 6 and third
digit is 0, 1, 2, or 3=3
If fourth digit displayed on HOD is 0, 2, 4, or 6 and third
digit is 4, 5, 6, or 7=2
If fourth digit displayed on HOD is 1, 3, 5, or 7 and third
digit is 0, 1, 2, or 3=1
If fourth digit displayed on HOD is 1, 3, 5, or 7 and third
digit is 4, 5, 6, or 7=0
SIGNAL FUNCTION:
Indicates upper missile quantity selected.
REMARKS: From CPG FCP through LH FAB MRTU TYPE I to RHE.
PASS:
If CONDITION corresponds to selected quantity, go to paragraph 8–1139.
FAIL: Location of fault: CPG FCP, wiring from CPG FCP to LH FAB MRTU Type I, LH FAB MRTU
Type I. Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
8–1139 SIGNAL NAME:
MSL UPPER CHANNEL QUANTITY READY
MEMORY LOCATION: 001343
MEMORY DATA BIT(S):
6–7
(BINARY)
CONDITION:
If the fifth digit displayed on HOD is 4 or 0=0
If the fifth digit displayed on HOD is 5 or 1=1
If the fifth digit displayed on HOD is 6 or 2=2
If the fifth digit displayed on HOD is 7 or 3=3
SIGNAL FUNCTION:
Indicates how many missiles are ready and scanning on upper laser code.
REMARKS: From RHE to FCC.
PASS:
If CONDITION corresponds to selected quantity, go to paragraph 8–1140.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
