Troubleshooting Procedures

TM 5-6350-264-14&P-10 NAVELEX EE 181-AA-OMI-110/E121 C-9412 T.O. 31S9-2FSS9-1-10 Table 5-2. Troubleshooting Procedures - Continued Trouble Probable cause Corrective action 1. (Cont) a. (Cont) in CU. Be careful not to drop Trans- mitter inside CU. Remove Data Transmitter. Loosen screws that secure plug P1 to bottom of status processor. Pull plug P1 straight down to disconnect it. Remove screws that secure status processor to top of CU enclosure and it will drop straight down. (2) Remove PC boards Al through A12 from status processor by placing thumb or finger under board ejector and lifting until board pops out of receptacle. (3) Install PC boards Al through A12 in new status processor interconnect- ing wiring subassembly. Ensure that pins on all PC boards are not bent or otherwise damaged. Turn PC boards so plastic ejectors are toward top. Align boards with guides at top and bottom of status processor. Slide boards straight in until they contact receptacles at back of pro- cessor. Then press firmly on boards until they seat completely in recep- tacle. (4) To install new status processor, posi- tion it under standoffs in top of CU. Insert screws and tighten to secure status processor. Insert plug P1 into connector on bottom of status proces- sor and push up. Tighten screws to se- cure plug P1. Position Data Trans- mitter over standoffs in CU and insert screws. Tighten screws to secure transmitter. Connect wires to TB6 and TB7 in CU. m. Turn on switch S1 on power supply. De- press TRANSMITTER RESYNC switch S2. Wait about 5 minutes for system to stabilize. During 5-minute stabilization 5-15