Table 2–1. Master Failure Symptom Index (cont)

TM 1–1520–238–T–2 2–20 Change 4 Table 2–1. Master Failure Symptom Index (cont) Failure Symptom MOC Reference AUDIO TONE IS NOT HEARD OR TUNE METER SHOWS NO INDICATION (ADF RCVR CONTROL PANEL: CW/VOICE/TEST SWITCH SET TO VOICE AND MODE SWITCH SET TO COMP) TM 11–1520–238–23–2 AUTOMATIC DIRECTION FINDER (ADF) AN/ARN–89 AUDIO TONE IS NOT HEARD (PILOT AFT CIRCUIT BREAKER PANEL: STAB AUTO AC AND STAB AUTO DC CIRCUIT BREAKERS OPENED) TM 1–1520–238–T–7 STABILATOR AUDIO TONE IS STILL HEARD AFTER RESET PUSHBUTTON IS PRESSED TM 1–1520–238–T–7 STABILATOR AUDIO VOLUME CANNOT BE ADJUSTED (ADF RCVR CONTROL PANEL: AUDIO CONTROL SET AS DESIRED) TM 11–1520–238–23–2 AUTOMATIC DIRECTION FINDER (ADF) AN/ARN–89 AUDIO WARNING IS HEARD (CPG MASTER CAUTION/WARNING PANEL: ENGINE 1 OUT INDICATOR PRESSED) TM 1–1520–238–T–6 AUDIO WARNING SYSTEM AUDIO WARNING IS HEARD IN BOTH PILOT AND CPG HEADSETS (PILOT POWER QUADRANT PANEL: ENGINE NO 1 PWR LEVER SET TO FLY) TM 1–1520–238–T–6 AUDIO WARNING SYSTEM AUDIO WARNING IS HEARD IN ONE BUT NOT THE OTHER HEADSET (PILOT ELEC PWR PANEL: BATT/EXT PWR SWITCH CYCLED FROM BATT TO EXT PWR AND BACK) TM 1–1520–238–T–6 AUDIO WARNING SYSTEM AUDIO WARNING IS HEARD IN ONLY ONE HEADSET (PILOT POWER QUADRANT PANEL: ENGINE NO 1 PWR LEVER SET TO FLY) TM 1–1520–238–T–6 AUDIO WARNING SYSTEM AUDIO WARNING IS NOT HEARD IN BOTH HEADSETS (PILOT AFT CIRCUIT BREAKER PANEL: STAB AUTO AC CIRCUIT BREAKER OPENED) TM 1–1520–238–T–6 AUDIO WARNING SYSTEM AUDIO WARNING IS NOT HEARD IN BOTH HEADSETS (PILOT ELEC PWR PANEL: BATT/EXT PWR SWITCH CYCLED FROM BATT TO EXT PWR AND BACK) TM 1–1520–238–T–6 AUDIO WARNING SYSTEM