FAILURE SYMPTOM INDEX (cont)

TM 1–1520–238–T–3 3–2 Change 5 FAILURE SYMPTOM INDEX (cont) Symptom Refer to paragraph CPG DIR 2 DCPLR NO–GO CPG COMPARTMENT . . . . . . . . . . . . . . . . . . . . . . 3–125 CPG COLL 1 DCPLR NO–GO CPG COMPARTMENT . . . . . . . . . . . . . . . . . . . . 3–126 CPG COLL 2 DCPLR NO–GO CPG COMPARTMENT . . . . . . . . . . . . . . . . . . . . 3–127 CPG CYCLIC GRIP NO–GO CPG COMPARTMENT . . . . . . . . . . . . . . . . . . . . . . 3–128 CPG BUCS SEL NO–GO CPG COMPARTMENT . . . . . . . . . . . . . . . . . . . . . . . . . 3–129 TURN RATE INDICATOR NO–GO PLT COMPARTMENT . . . . . . . . . . . . . . . . . 3–130 Personnel Required: (2) References: TM 1–1520–238–23 TM 1–1520–238–T–7 Equipment Conditions: Ref Condition TM 1–1520–238–T–7 DIGITAL AUTOMATIC STABILIZATION EQUIPMENT (DASE) – MAINTENANCE OPERATIONAL CHECK in progress NOTE �All multiplex read code responses are read from right to left. �Multiplex read codes must be used in conjunction with applicable Maintenance Operational Check (MOC) in progress. �Multiplex read codes are observed on the HOD (ADC) or CDU (ADD). MULTIPLEX READ CODE INTERPRETATIONS 3–1 SIGNAL NAME: DASEC STATUS WORD TERMINAL FLAG MEMORY LOCATION: 002077 MEMORY DATA BIT(S): 19 (BINARY) CONDITION: (None) SIGNAL FUNCTION: Indicates status of bits 16, 15, or 13. REMARKS: From digital automatic stabilization equipment computer (DASEC) to fire control computer (FCC). PASS: If first digit on heads out display (HOD) is 0, 2, 4, or 6, go to paragraph 3–2. FAIL: Location of fault: go to paragraph 3–4. 3–2 SIGNAL NAME: DASEC STATUS WORD BIT PROCESSOR (ACY) CPU BIT STATUS (ACZ) MEMORY LOCATION: 002077 MEMORY DATA BIT(S): 18 (BINARY) CONDITION: (None) SIGNAL FUNCTION: Indicates ability of word bit processor to work properly. REMARKS: From DASEC to FCC. PASS: If first digit displayed on HOD is 2 or 6, go to paragraph 3–3. FAIL: Location of fault: replace DASEC (TM 1–1520–238–23).