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)r.If meter does not indicate more than100,000 ohms with wire removed fromTB8-F-1, replace PC board A10.(1) To remove PC board A10, turn offswitch S1 on top of power supply.Place thumb or finger under boardejector and lift up until board popsout of receptacle at back of statusprocessor. Then grasp PC boardand pull straight out.(2) To install new PC board A10, turnboard so plastic ejector is towardtop. Align board with guides at topand bottom of status processor.Slide board straight in until it con-tacts receptacle at back of proces-sor. Then press firmly on boarduntil it seats completely in recep-tacle.s.Turn off switch S1 on top of power supply.Remove PC boards A8, A9, and A10.Set multimeter to ohms and connectleads to following points:J10-18 to S5 terminal 8 (gray wire),S5 terminal 9 (orange wire) toJ8-5, J8-6 to J9-C, J10-L to S5terminal J9-D to S5 terminal 5(orange wire, center terminal),2 (green wire).Meter should indicate 0 ohms.t.If meter does not indicate 0 ohms at anypoint, inspect for broken or loose con-nections. Resolder any bad connec-tions.u.Turn on switch S1 on top of power supply.Depress TRANSMITTER RESYNCswitch S2. Wait about 5 minutes forsystem to stabilize.5-75
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