TM 5-6350-264-14&P-9NAVELEX EE 181-AA-OMI-100/E121 DZ-204T.O. 31S9-2FSS9-1-9Table 5-1. Troubleshooting Procedures - ContinuedTroubleProbable causeCorrective action1. (Cont)b.(Cont)e.If meter indicates 5 +0.5 vdc, inspect wiring from TB2 to P1for broken or loose connections. Repair or replace defectivewiring.f.If meter indicates less than 1 vdc, connect positive meterlead to P1-24 and negative meter lead to TB2-2.g.If meter indicates less than 1 vdc, replace the electronicsassembly.CAUTIONInner enclosure is heavy. Use caution when removingfrom outer enclosure.(1) To remove electronics assembly, loosen collar on connectorP2. Turn metal tab 90 degrees and disconnect P2 from J2.Tag and disconnect wires that run from terminal boards toconduit. Slide the inner enclosure out of the outer enclosure.Place inner enclosure on bench. Remove screws, lockwashers, and washers and disconnect connector J1 from P1.Remove mounting screws from rear of inner enclosure andremove electronics assembly.(2) To install new electronics assembly, position assembly oninner enclosure. Install mounting screws through rear ofinner enclosure. Connect J1 to P1 and install screws, lockwashers, and washers. Slide inner enclosure into outerenclosure. Route wires through hole in rear of innerenclosure. Connect wires that run from terminal boards toconduits. Align notch on P2 with J2 and connect P2 to J2.Lock metal tabs together and tighten collar on connector P2.h.Turn off switch S3 on power supply. Set the multi-meter toohms. Tag, remove, and isolate terminals of C15 and C16.Set multimeter to ohms and connect5-8
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