TM 1–1520–238–T–3
8–293
8–1114 SIGNAL NAME:
MSL MODE SEL COMMAND
MEMORY LOCATION: 001437
MEMORY DATA BIT(S):
15–16
(BINARY)
CONDITION:
If the second digit displayed on HOD is 4 or 0=STBY
If the second digit displayed on HOD is 5 or 1=NORM
If the second digit displayed on HOD is 6 or 2=MANUAL
If the second digit displayed on HOD is 7 or 3=RIPPLE
SIGNAL FUNCTION:
Monitors CPG missile mode selection. CPG must be in control for signal to be
recognized.
REMARKS: From CPG missile panel to RHE.
PASS:
If CONDITION corresponds to selected mode, go to paragraph 8–1115.
FAIL: Location of fault: CPG missile panel, wiring from CPG missile panel to RHE, RHE.
Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
8–1115 SIGNAL NAME:
MSL MODE
MEMORY LOCATION: 001341
MEMORY DATA BIT(S):
14–16
(BINARY)
CONDITION:
If the second digit displayed on HOD is 0=STBY
If the second digit displayed on HOD is 1=NORM
If the second digit displayed on HOD is 2=MANUAL
If the second digit displayed on HOD is 3=RIPPLE
SIGNAL FUNCTION:
Indicates RHE mode.
REMARKS: From RHE to FCC.
PASS:
If CONDITION corresponds to selected mode, go to paragraph 8–1116.
FAIL: Location of fault: replace RHE (TM 9–1427–475–20).
8–1116 SIGNAL NAME:
CPG MSL TYPE COMMAND
MEMORY LOCATION: 001437
MEMORY DATA BIT(S):
17–19
(BINARY)
CONDITION:
If first digit displayed on HOD is 1=LASER
SIGNAL FUNCTION:
Indicates type of missile selected by CPG.
REMARKS: From CPG missile control panel to RHE.
PASS:
If CONDITION corresponds to selected missile, go to paragraph 8–1117.
FAIL: Location of fault: CPG missile control panel, wiring from CPG missile control panel to RHE,
RHE. Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
8–1117 SIGNAL NAME:
CPG MSL TYPE SW
MEMORY LOCATION: 000413
MEMORY DATA BIT(S):
5
(BINARY)
CONDITION:
If the fifth digit displayed on HOD is 4, 5, 6, or 7=LASER
SIGNAL FUNCTION:
Indicates type of missile.
REMARKS: From CPG missile control panel through CPG MRTU Type III to FCC.
PASS:
If CONDITION corresponds to selected missile, go to paragraph 8–1121.
FAIL: Location of fault: CPG missile control panel, wiring from CPG missile control panel to CPG
MRTU Type III, CPG MRTU Type III. Troubleshoot wiring to isolate fault (TM 9–1427–475–20).
