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 action2.(Cont)a.(Cont)To install PC board A7, turnboard so plastic ejector is towardtop. Align board with guides attop and bottom of status proces-sor. Slide board straight in untilit contacts receptacle at back ofprocessor. Then press firmly onboard until it seats completely inreceptacle.i.If meter indicates over 100, 000 ohms atJ7-1 and J7-14, connect meter leads toJ7-14 and TB4-3 in power supply. Metershould indicate 0 ohms.j.If meter indicates over 100, 000 ohms, in-spect J12/P1, pin 17, for broken or looseconnections. Resolder any bad connec-tions on P1.k.Connect meter leads to J7-1 and TB4-2in power supply. Meter should indicate0 ohms.l.If meter indicates over 100, 000 ohms, in-spect J12/P1, pin 34, for broken or looseconnections. Resolder any bad connec-tions on P1.m.Turn on switch S1 on power supply. De-press TRANSMITTER RESYNC switchS2. Wait about 5 minutes for system tostabilize. Turn mode switch to TEST/RESET and then to SECURE.b.Loose or.a.Turn off switch S1 on top of power sup-broken wireply. Inspect all wiring for tight, cleanconnections.connections. Repair any bad connections.NOTEIf data transmitter is installed, it must beremoved to reach TB8-F through TB13-E.Remove screws that secure Transmitterand carefully move it aside.5-37
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