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)(2)Remove PC boards Al through A12from status processor by placingthumb or finger under board ejec-tor and lift up until board popsout of receptacle.(3)Install PC boards Al through A12 innew status processor interconnect-ing wiring subassembly. Ensurethat pins on all PC boards are notbent or otherwise damaged. TurnPC boards so plastic ejectors aretoward top. Align boards withguides at top and bottom of statusprocessor. Slide boards straight inuntil they contact receptacles atback of processor. Then pressfirmly on boards until they seatcompletely in receptacle.(4)To install new status processor, posi-tion it under standoffs in top ofCU. Insert screws and tighten tosecure status processor. Insertplug P1 into connector on bottomof processor, and push up. Tightenscrews to secure plug P1. PositionData Transmitter over standoffs inCU and insert screws. Tightenscrews to secure Transmitter. Con-nect wires to TB6 and TB7 in CU.i.Above steps verify time delay circuits. Iftime delay period has been properlyadjusted and nuisance alarms stilloccur, determine if they are tamper,duress, or intrusion alarms.j.If intrusion alarms occur during entry, re-place PC board A10. If intrusionalarms occur during exit, replace PCboard A9.(1)To remove PC boards A9 or A10, turnoff switch S1 on top of power sup-ply. Place thumb or finger underboard ejector and lift up until5-49
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