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 action4. (Cont)f. (Cont)h.Disconnect and then reconnect wire onTB8-F-1. Meter should indicate morethan 100,000 ohms and then return toless than 2,000 ohms 10 ‘2 secondsafter wire is reconnected.i.If meter does not indicate more than100,000 ohms with wire disconnectedfrom TB8-F-1, replace PC boards A8and A9.(1) To remove PC boards A8 and A9, turnoff switch S1 on top of power sup-ply. Place thumb or finger underboard ejector and lift up untilboard pops out of receptacle atback of status processor. Thengrasp PC board and pull straightout.(2) To install new PC boards A8 and A9,turn board so plastic ejector is to-ward top. Align board with guidesat top and bottom of status pro-cessor. Slide board straight in un-til it contacts receptacle at back ofprocessor. Then press firmly onboard until it seats completely inreceptacle.(3) Turn on switch S1 on power supply.Depress TRANSMITTER RESYNCswitch S2. Wait about 5 minutesfor system to stabilize. Turn modeswitch to TEST/RESET and thento SECURE.j.Turn mode switch to SECURE. SetLATCH/NON-LATCH switch S5 toLATCH. Set multimeter to ohms andconnect leads to TB6, terminals S1-Dand S1-DR. Meter should indicate lessthan 2,000 ohms.k.Remove and then reconnect wire onTB8-F-1. Meter should indicate morethan 100,000 ohms until mode switchis turned to RESET.5-72
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