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Elements and Performance Criteria

1. Determine modification
   • Modification requirements are determined and understood by reference to schematics, circuit diagrams, documentation and/or consultation with appropriate authority.
   • Where appropriate, maintenance reports and system output information is analysed to confirm the need and nature of modification.
   • Scope and nature of modifications are determined, recorded to standard operating procedures and confirmed with appropriate authority.
2. Undertake modification/s
   • Modification/s are undertaken using correct and appropriate techniques, tools and procedures.
   • Correct and appropriate amendments are undertaken to documentations, circuit drawing etc. using standard operating procedures.
3. Test and evaluate modified electronic systems
   • Modifications are checked/tested and evaluated for compliance with desired outcome or specification using correct and appropriate techniques, tools and test equipment.
   • Additional modification changes, if required, are recommended using standard operating procedures.

Required Skills

Required skills

Look for evidence that confirms skills in obtaining relevant instructions schematics circuit diagrams obtaining relevant maintenance reports and system output information recording proposed modifications obtaining approval to for the proposed modifications modifying electronic systems amending relevant documents circuit drawings schematics etc checking modified electronic system for conformance to specification programming computers including uploadingdownloading of proprietary software testing and evaluating modified electronic system

Required knowledge

Look for evidence that confirms knowledge of advanced analogue and digital electronics theory systemcomputer protocols including communications networks intranet SCADA etc modifications to be made to the electronic system reasons for undertaking the modification appropriate personnel to consult for technical advice hazards associated with the electronic system including electrostatic discharge ESD probable causes for any detected trends andor deviations from specification appropriate authority to authorise modifications to electronic systems and changes to documentation circuit drawings schematics etc procedures to be followed when undertaking and recording modifications to electronic systems tools and techniques to be used to modify the electronic system procedures for amending documents circuit drawings schematics etc procedures for checking the performance of the modified electronic system test equipment and techniques to be used to evaluate the modified electronic system operational specifications to be achieved by the modified electronic system deviationsvariations of test results from operational specifications probable causes of any deviationsvariations from specification likely effect of further modifications on electronic system performance

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 modify electronic systems 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 Where assessment occurs off the job ie the candidate is not in productive work 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 modifying electronic systems 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 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.
Modification	Approved design changes and /or replacement of components or sub-assemblies on electronic analog or digital systems
System	Interdependent equipment including computer, process, communication, digital, security/fire etc.
Test equipment	Continuity testers, ammeters, voltmeters, cathode ray oscilloscopes, frequency counters, signal generators, digital probes etc.

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