TM 1–1520–238–T–3
3–8
Change 4
3–28 SIGNAL NAME:
DASEC STATUS WORD TERMINAL FLAG
MEMORY LOCATION: 002207
MEMORY DATA BIT(S):
19
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of bits 16, 15, or 13.
REMARKS: From FCC to DASEC.
PASS:
If first digit displayed on HOD is 0, 2, 4, or 6, go to paragraph 3–29.
FAIL: Location of fault: go to paragraph 3–31.
3–29 SIGNAL NAME:
DASEC STATUS WORD BIT PROCESSOR (ACY) CPU BIT STATUS (ACZ)
MEMORY LOCATION: 002207
MEMORY DATA BIT(S):
18
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates ability of word bit processor to work properly.
REMARKS: From FCC to DASEC.
PASS:
If first digit displayed on HOD is 2 or 6, go to paragraph 3–30.
FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).
3–30 SIGNAL NAME:
DASEC STATUS WORD OUTPUT CLEAR
MEMORY LOCATION: 002207
MEMORY DATA BIT(S):
17
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of power up latch.
REMARKS: From FCC to DASEC.
PASS:
If first digit displayed on HOD is 6, go to paragraph 3–31.
FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).
3–31 SIGNAL NAME:
DASEC STATUS WORD DISCRETE OUTPUT BIT (ACY) DO BIT (ACZ)
MEMORY LOCATION: 002207
MEMORY DATA BIT(S):
16
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of 5 VDC and 28 VDC discretes.
REMARKS: From FCC to DASEC.
PASS:
If second digit displayed on HOD is 1, 3, 5, or 7, go to paragraph 3–32.
FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).
3–32 SIGNAL NAME:
DASEC STATUS WORD DC ANALOG OUTPUT BIT (ACY) DCO BIT (ACZ)
MEMORY LOCATION: 002207
MEMORY DATA BIT(S):
15
(BINARY)
CONDITION:
(None)
SIGNAL FUNCTION:
Indicates status of DC analog circuits.
REMARKS: From FCC to DASEC.
PASS:
If second digit displayed on HOD is 3 or 7, go to paragraph 3–33.
FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).
