TM5-6115-593-34NAVFAC P-8-631-34TO-35C2-3-463-2Figure 15-7. Transducer A107 and A108, Test Setupb. Repair. If any of the relays or diodes aredefective, Annunciator Control RelayAssembly A20 is repairable by replacing thedefective component. If the printed circuitwiring or a terminal board proves defective, ora non-replaceable component is defective, theentire assembly must be replaced.c. Replacement.(1) Remove annunciator (13, figure 15-3) asfollows:(a) Tag and then disconnect wires fromterminal boards.(b) Remove screws (10) and nuts (11)to remove annunciator (13) andbrackets (12).(c) Components are replaced bycarefully unsoldering them fromthe printed circuit board.CAUTIONDo not apply excessive heat whensoldering or unsoldering components.It may damage the printed circuitwiring.(d) If Annunciator Control RelayAssembly is to be replaced,remove screws (8) and nuts (9)to release annunciator (13) frombrackets (12).(e) Prepare annunciator (13) forinstallation by attaching brackets(12) using screws (8) and nuts(9).(f) If components are being replaced,carefully solder new componentinto place.15-9
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