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)(2) To install new power supply, removecover, and turn unit so TB3 isaccessible. Support power supply,and connect wires to TB3. Turnpower supply upright and positionit over standoffs on side of CU en-closure. Note that cable clampgoes under screw on bottom frontof power supply. Insert screws andtighten to secure power supply.Connect wires to TB1. Replacecover and secure with screws. Con-nect wires to TB2 and TB4. Posi-tion battery outside CU enclosure.Carefully insert battery end first;turn and lower it into bottom ofCU enclosure. Connect wires tobattery terminals. Switch on maincircuit breaker.(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 posi-tive 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. TurnTurn mode switch to TEST/RE-SET and then to SECURE.e.Set multimeter to dc volts and connect posi-tive meter lead to PC board A1-TP1(brown), and negative lead to chassis(ground). Turn mode switch to secureand ensure that no alarms are activated.Meter should indicate 18.5 to 21 vdc.f.If meter still indicates less than 1 vdc, turnoff switch S1 on power supply. Re-move PC board A8. Lift board ejector5-58
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
