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 action1.(Cont)b.(Cont)back, and insert screws from thefront. Tighten screws to secureswitch.d.If meter indications are correct, pull TASplunger all the way out. Connect meterleads to J7-4 and J7-7. Meter should indi-cate 0 ohms.e.If meter indicates over 100,000 ohms, in-spect J12/P1, pins 18 and 19 for broken orloose wires. Resolder any bad connectionson P1.f.If meter indicates 0 ohms at J7-4 and J7-7,connect a jumper wire on power supplyfrom TB4-3 to TB4-2. Connect meter leadsto J7-1 and 14. Meter should indicate0 ohms.g.If meter indicates 0 ohms, replace PC boardA7.To install new PC board A7, turn boardso plastic ejector is toward top. Alignboard with guides at top and bottomof status processor. Slide boardstraight in until it contacts receptacleat back of processor. Then pressfirmly on board until it seats com-pletely in receptacle.h.If meter indicates over 100,000 ohms at J7-1and 14, connect meter leads to J7-14 andTB4-3 on power supply. Meter should indi-cate 0 ohms.i.If meter indicates over 100,000 ohms, inspectJ12/P1, pin 17 for broken or loose connec-tions. Resolder any bad connections on P1.j.Connect meter leads to J7-1 and TB4-2 inpower supply. Meter should indicate 0 ohms.k.If meter indicates over 100,000 ohms, inspectJ12/P1, pin 34 for broken or loose connec-tions. Resolder any bad connections atP1, pin 34.5-17
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