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)e. (Cont)indicate 5 0.25 vdc. Connect lead toTB2-2. Meter should indicate 28 + 2vdc. Turn mode switch to TEST/RE-SET and then to SECURE.c.Set meter to dc volts and connect positivemeter lead to J10-P and negative meterlead to chassis.d.If meter indicates 28 2 vdc, replace A10.e.If meter indicates 0 v at J10-P, turn offswitch S1 on power supply. RemovePC board A8.To remove PC board A8, turn offswitch S1 on top of power sup-ply. Place thumb or fingerunder board ejector and liftup until board pops out ofreceptacle at back of statusprocessor. Then grasp PC boardand pull straight out.f.Set multimeter to ohms and connect leads toJ8-17 and J10-P.g.If meter indicates 0 ohms, replace A8.h.If meter indicates more than 100, 000 ohms,replace status processor interconnectingwiring subassembly.(1)To remove status processor, turn offswitch S1 on power supply. Tagand disconnect Data Transmitterwires from TB6 and TB7. Removescrews that secure Transmitter tostandoffs in CU. Be careful not todrop Transmitter inside CU. Re-move Data Transmitter. Loosenscrews that secure plug P1 to bot-tom of status processor. Pull plugP1 straight down to disconnect it.Remove screws that secure statusprocessor to top of CU enclosureand it will drop straight down.5-48
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