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)d. (Cont)until PC board pops out of receptacle,then grasp board and pull straight out.g.Turn on switch S1 on power supply. De-press TRANSMITTER RESYNC switchS2. Wait about 5 minutes for system toTEST/RESET and then to SECURE.h.Set multimeter to dc volts and connect posi-tive meter lead to J8-11, and negativelead to chassis (ground). Ensure thatno alarms are activated.i.If meter indicates more than 10 vdc, replacePC board A7.(1) To remove PC board A7, 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 A7, turn boardso plastic ejector is toward top.Align board with guides at top andbottom of status processor. Slideboard straight in until it contactsreceptacle at back of processor.Then press firmly on board until itseats completely in receptacle.(3) Turn on switch S1 on power supply.Depress TRANSMITTER RESYNCswitch S2. Wait about 5 minutesfor system to stabilize. Turn modeswitch to TEST/RESET and thento SECURE.j.If meter indicates less than 1 vdc at J8-11,remove PC board A10 and install PCboard A10 and install PC board A8.(1) To remove PC board A10, turn offswitch S1 on top of power supply.Place thumb or finger under board5-59
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