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)e. (Cont)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 untilit seats completely in receptacle.(3) Turn on switch S1 on power supply.Depress TRANSMITTER RESYNCswitch S2. Wait about 5 minutesfor system to stabilize. During5-minute stabilization period, checkpower supply. Set multimeter todc volts and connect negative leadto chassis (ground). Connect pos-itive lead to power supply, TB2-3.Meter should indicate 20 ±1 vdc.Connect positive lead to TB2-5.Meter should indicate 5 ±0.25 vdc.Connect lead to TB2-2. Metershould indicate 28 ±2 vdc. Turnmode switch to TEST/RESET andthen to SECURE.d.Connect meter leads to TB6, terminals S1-Iand S1-IR. Meter should indicate lessthan 2,000 ohms.e.Disconnect and then reconnect wire onTB8-F-1. Meter should indicate morethan 100,000 ohms and then return toless than 2,000 ohms 10 ±2 secondsafter wire is reconnected.f.If meter does not indicate more than100,000 ohms with wire disconnectedfrom TB8-F-1, disconnect and thenreconnect wire on TB9-A-1.g.If meter does not indicate more than100,000 ohms with wire disconnectedfrom TB9-A-1, set meter to dc voltsand connect negative lead to chassis.Connect positive lead to mode switchS3, terminal 1-3, and then 1-4. Metershould indicate 18.5 to 21 vdc on bothswitch terminals.5-67
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