You may have the job of maintaining or helping to maintain some electical or electonics unit, subsystem, or system. Some of the these jobs may be complex, but even a complex job can be broken down into simple steps. Basically, any repair of electric or electronic equipment should be done in the following order :
• Symptom recognition. This is the action of recognizing some disorder or malfuction in electonic equipment.
• Symptom elaboration. Obtaining a more detailed description of the touble symptom is the purpose of this step.
• Listing probable faulty functions, this step is applicable to equipment that contains more than one functional area or unit. From the information you have gathered, where could the trouble logically be located ?.
• Localizing the faulty function. In this step you determine which of the functional units of the multiunit equipment is a actually at fault.
• Localizing trouble to the circuit. You will do extensive testing in this step to isolated the trouble to a specific circuit.
• Failure analysis. This step is multipart. Here you determine which part is faulty, repair / replace the part, determine what caused the failure, return the equipment to its proper operating status, and record the necessary information in a record keeping book for other maintenance personel in the future. While not a part of this step, the technician should reorder any parts used in repair of the faulty equipment.
Sometimes you may run into difficulty in finding ( or troubleshooting ) the problem. Some hints that may help in your efforts are :
• Observe the equipment’s operation for any and all faults
• Check for any defective component with your eyes and nose
• Analyze the cause of the failure for a possible underlying problem
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