TM 11-5820-890-30-413-9. OPERATIONAL CHECK. ContinuedStep 4. CONTINUITY CHECKS.ActionResponsea. Disconnect W14 test cable P6 at J1.a. DMM reads less than 5 ohms.ISet DMM to 200 ohms scale.If not, go to chart 11.Set RESPONSE: 6.Set RESP SEL: S2.Set TEST EQPT SELECTOR: DMM.Read DMM.b. Disconnect W14 test cable P4 at J5.b. DMM reads less then 5 ohms.Connect P6 to J1.If not, go to chart 12.Set RESPONSE: 10.Set RESP SEL: S1. Read DMM.c. Set RESPONSE: 9. Read DMM.c. DMM reads less than 5 ohms.If not, go to chart 13.d. Set RESP SEL: S2. Read DMM.d. DMM reads less than 5 ohms.If not, go to chart 14.e. Set RESPONSE: 8.e. DMM reads less than 5 ohms.Set RESP SEL: S1. Read DMM.If not, connector 8A2P1 is bad.f. Disconnect W14 test cable P6 at J1.f. Scope CH 1 reads 400 to 600 mV p-p.Set STIMULUS: 8.If not, connector 8A2P1 is bad.Set RESPONSE: 10.Set TEST EQPT SELECTOR: SCOPE.Read scope.g. Set STIMULUS: 6. Read scope.g. Scope CH 1 reads 400 to 600 mV p-p.if not, connector 8A2P1 is bad.h. Set STIMULUS: 7.h. Scope CH 1 reads 400 to 600 mV p-p.Set RESPONSE: 9. Read scope.If not, connector 8A2P1 is bad.i. Set STIMULUS: 5. Read scope.i. Scope CH 1 reads 400 to 600 mV p-p.If not, connector 8A2P1 is bad.j. Disconnect W1 from DMM.j. DMM reads less than 5 ohms. If not,Connect test leads to DMM.the wire from 8A2J3-B to 8A2A1-E5,Disconnect W14 test cable P5 at J4.or connector 8A2J3, is bad.Connect P5 to J3.Connect DMM (-) to 8A2E1.Connect DMM (+) to TP9. Read DMM.k. Connect DMM (+) to TP12.k. DMM reads less than 5 ohms. If not,Connect DMM (-) to 8A2E2. Read DMM.the wire from 8A2J3-C to 8A2A1-E4,or connector 8A2J3, is bad.l. Disconnect DMM test leads.l. DMM reads 25 to 29 V dc. If not, theConnect W1 to DMM.wire from 8A2J3-F to 8A2TB1-2,Set DMM to 200 V scale.or connector 8A2J3, is bad.Set TEST EQPT SELECTOR: DMM.Set RESPONSE: 7.Set RESP SEL: S2.Set CB1: ON. Read DMM.m. Operational Check is complete.13-7
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