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Elements and Performance Criteria

1. Locate fault in electronic system/sub-assembly
   • System/sub-assembly functions and principles are determined with reference to equipment manuals, circuit diagrams etc.
   • Built-in test functions are run and fault indicator error codes and appropriate maintenance records are checked and reviewed.
   • Fault symptoms are reproduced, where appropriate, and verified using appropriate fault finding techniques.
   • Where appropriate, faulty sub-assembly is isolated and removed from electronic system using correct and appropriate tools and techniques.
   • Sub-assembly is checked and tested using correct and appropriate test equipment and fault finding techniques.
   • Faulty component/s are identified and/or fault cause is isolated.
2. Repair/replace faulty components
   • Faulty component is removed, where required, using correct and appropriate tools and techniques.
   • Faulty component is repaired/replaced in accordance with manufacturers' recommended procedures or to standard operating procedures.
   • Repaired/replacement components are fitted in accordance with manufacturers' recommended procedure or to standard operating procedures using correct and appropriate tools and techniques.
   • Where appropriate, repaired sub-assembly is refitted to electronic system using correct and appropriate tools and techniques.
   • Systems/sub-assembly is checked and tested for correct operational compliance with specifications utilising correct and appropriate test procedures and equipment.

Required Skills

Required skills

Look for evidence that confirms skills in obtaining and following relevant circuit diagrams manuals specifications schematics maintenance records supplier catalogues etc locating readingrecording and diagnosing builtin fault indicators obtaining error code interpretation documents running test functions and recording faults andor equipment status indicated by builtin test functionsdisplays checking electronic equipmentsubassemblies components connections and terminations for conformance to specifications removing and replacingrepairing faulty components from the electronic equipment recording results of tests undertaken on electronic equipment isolating electronic subassembly from the power supply adjustingtuning and calibrating electronic equipmentsubassemblies returning to service and testing to specification the repaired electronic equipmentsubassembly using language and literacy skills to provide brief reportsrecordsresults of tests reproducing fault symptoms in the electronic equipment and verifying faults using appropriate test equipment and fault finding techniques refitting repairedreplaced components into the subassembly

Required knowledge

Look for evidence that confirms knowledge of analogue electronics including amplifiers oscillators power suppliers filters the functions of the electronic equipmentsubassembly symptoms of the fault in the electronic equipmentsubassembly the purpose of reproducing electronic equipmentsubassembly fault symptoms equipment and techniques to be used to test the faulty subassembliescomponent probable causes of component failure procedures for running builtin test functions verifying faults in electronic equipmentsubassemblies isolating electronic equipmentsubassemblies removing subassemblies from electronic equipment testing faulty subassemblies removing faulty components from electronic equipment fitting repairedreplaced components into subassemblies fitting repaired subassemblies into electronic equipment testing electronic equipmentsubassembly performance errors indicated by builtin devices test equipment and fault finding techniques necessary to confirm electronic equipmentsubassembly faults hazards associated with electronic equipmentsubassemblies including electrostatic discharge ESD tools and techniques to be used to removerefitrepairreplace the faulty subassembliescomponent from the electronic equipment operational specifications of the subassembly operational specifications of the electronic equipmentsubassemblycomponent test equipment and techniques necessary to check electronic equipmentsubassembly performance any applicable industry standards nationalAustralian standards NOHSC guides StateTerritory regulatory codes of practicestandards use and application of personal protective equipment safe work practices and procedures

Evidence Required

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria required skills and knowledge range statement and the Assessment Guidelines for the Training Package
Overview of assessment	A person who demonstrates competency in this unit must be able to diagnose and repair analog equipment and components Competency in this unit cannot be claimed until all prerequisites have been satisfied
Critical aspects for assessment and evidence required to demonstrate competency in this unit	Assessors must be satisfied that the candidate can competently and consistently perform all elements of the unit as specified by the criteria including required knowledge and be capable of applying the competency in new and different situations and contexts
Context of and specific resources for assessment	This unit may be assessed on the job off the job or a combination of both on and off the job Where assessment occurs off the job that is the candidate is not in productive work then an appropriate simulation must be used where the range of conditions reflects realistic workplace situations The competencies covered by this unit would be demonstrated by an individual working alone or as part of a team The assessment environment should not disadvantage the candidate This unit could be assessed in conjunction with any other units addressing the safety quality communication materials handling recording and reporting associated with diagnosing and repairing analog equipment and components or other units requiring the exercise of the skills and knowledge covered by this unit
Method of assessment	Assessors should gather a range of evidence that is valid sufficient current and authentic Evidence can be gathered through a variety of ways including direct observation supervisors reports project work samples and questioning Questioning techniques should not require language literacy and numeracy skills beyond those required in this unit of competency The candidate must have access to all tools equipment materials and documentation required The candidate must be permitted to refer to any relevant workplace procedures product and manufacturing specifications codes standards manuals and reference materials
Guidance information for assessment

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Range Statement

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below. Essential operating conditions that may be present with training and assessment (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) may also be included.
Fault finding techniques	Signal injection, substitution, monitoring, measurement, heating, sound, visual, touch, smell
Test equipment	Continuity testers, ammeters, voltmeters, cathode ray oscilloscopes, frequency counters, signal generators, digital probes
Components	Discrete component assemblies or individual components such as resistors, switching devices, capacitors, transformers, solenoids, tubes, semi-conductors

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