TM 5-6350-264-14&P-10NAVELEX EE 181-AA-OMI-110/E121 C-9412T.O. 31S9-2FSS9-1-10Table 5-2. Troubleshooting Procedures - ContinuedTroubleProbable causeCorrective action6.(Cont)Improper(3) Turn on switch S1 on power sup-operation ofply. Depress TRANSMITTERaudible signalRESYNC switch S2. Waitdevice. (Cont)about 5 minutes for system tostabilize. Turn mode switchto TEST/RESET and then toSECURE.h.Turn mode switch to TEST/RESET.Press and release CU TAS. Audiblesignal device should sound. Turnmode switch to ACCESS and thento TEST/RESET. Audible signaldevice should continue to soundfor 10 ±2 seconds, and then stop.i.If audible signal device still does not per-form properly, turn off switch S1on power supply. Remove PCboards A8 and-A9. Set multimeterto ohms and connect leads to thefollowing points:TB3-3 to audible signal devicepositive terminal;TB3-4 to audible signal devicenegative terminal;TB3-3 to mode switch,terminal 2-2;TB3-4 to J12/P1 pin 38;J12/P1 pin 38 to J8-13;J8-14 to J9-R.Meter should indicate 0 ohms.j.If meter does not indicate 0 ohms at anypoint, inspect wires for broken orloose connections. Resolder anybad connections.NOTEIf Data Transmitter is installed,it must be removed to reachTB8-F through TB13-E. Re-move screws that secure trans-mitter and carefully move itaside. Reinstall transmitterafter tests.5-92
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