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)c.If these meter indications are not correct,turn off switch S1 on top of power sup-ply. Use board ejector to remove PCboard A7. Set multimeter to ohms andconnect meter leads to TAS terminalswhich have wires attached. Push TASplunger all the way in, and then pullplunger all the way out. Meter shouldindicate 0 ohms for both switch positions.Depress TAS plunger and then release.Meter should indicate over 100, 000 ohms.d.If these meter indications are not correct,replace TAS.(1)To remove TAS, remove screwsthat secure TAS to edge of CUhousing. Loosen screws that se-cure crimp lugs to switch.(2)To install new TAS, slip crimplugs under screw heads markedCOM and NO on switch, andtighten screws. Insert switchthrough hole in edge of housingfrom the back, and insert screwsfrom the front. Tighten screwsto secure switch.e.If meter indications are correct, pull TASplunger all the way out. Connect meterleads to J7-4 and J7-7. Meter should in-dicate 0 ohms.f.If meter indicates over 100, 000 ohms, in-spect J12/P1, pins 18 and 19, for brokenor loose wires. Resolder any bad connec-tions on P1.g.If meter indicates 0 ohms at J7-4 andJ7-4, connect a jumper wire in powersupply from TB4-3 to TB4-2. Connectmeter leads to J7-1 and J7-14. Metershould indicate 0 ohms.h.If meter indicates 0 ohms, install PCboard A7.5-36
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