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)f.(Cont)supply, TB2-3. Meter should indi-cate 20 1 vdc. Connect positivelead to TB2-5. Meter should indi-cate 5 0.25 vdc. Connect positiveleads to TB2-2. Meter should indi-cate 28 2 vdc. Turn mode switchto TEST/RESET and then toSECURE.f.If meter indicates 5 +0.25 vdc atS3, terminal 3-2, remove leadsand set multimeter to ohms. Re-move PC board A10.To remove PC board A10, turnoff switch S1 on top of powersupply. Place thumb or fingerunder board ejector and lift upuntil board pops out of recep-tacle at back of status proces-sor. Then grasp PC board andpull straight out.g.Connect meter leads to S3, terminal3-4, and J10-11.h.If meter indicates more than100, 000 ohms, inspect wires fromS3, terminal 3-4 to J12/P1, pin 32,and from J12/P1, pin 32 to J10-11for loose or broken connections. Re-solder any bad connections on P1.i.If meter indicates 0 ohms, connectleads to J10-R and power supplyTB4-1.j.If meter indicates more than100, 000 ohms, inspect wires fromJ10-R to J12/P1, pin 30, and fromJ12/P1, pin 30 to TB4-1 for looseor broken connections. Resolderany bad connections on P1.k.If meter indicates 0 ohms, connectleads to S3, terminal 3-4 and J10-4.Turn mode switch S3 to SECUREand then to ACCESS.5-31
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