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Elements and Performance Criteria

  1. Determine job requirements
  2. Troubleshoot electronic equipment
  3. Return electronic equipment to service

Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Electronic equipment includes one or more of the following:

amplifiers

analog/digital hardware

telecommunication

consumer audio/video

electronic appliances

process control

computer systems

security monitoring and alarm systems

scanning systems

fire systems

power supplies

test equipment

Fault-finding techniques include one or more of the following:

signal injection

substitution

monitoring

measurement

visual

Test equipment includes one or more of the following:

continuity testers

ammeters

voltmeters

cathode ray oscilloscopes (CROs)

frequency counters

signal generators

digital probes


Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy the requirements of the elements and performance criteria on at least two (2) occasions and include:

following work instructions, SOPs and safe work practices

identifying and interpreting circuit diagrams, specifications, schematics, maintenance records, drawings, supplier catalogues and obtaining relevant data with respect to troubleshooting analog/digital electronic equipment

locating, reading/recording and diagnosing built-in fault indicators and obtaining error code interpretation documents and run test functions and recording faults and/or equipment status indicated by built-in functions/display

applying diagnostic techniques in fault-finding electronic equipment down to sub-assembly and/or plug-in card level

isolating and removing faulty item and selecting replacement item from appropriate sources

adjusting/tuning and calibrating in accordance with specifications

verifying repaired electronic equipment for compliance to specifications

completing all documentation in accordance with SOPs.


Knowledge Evidence

Evidence required to demonstrate the required knowledge for this unit must be relevant to and satisfy the requirements of the elements and performance criteria and include knowledge of:

safe work practices and procedures and use of PPE

function(s) and operational specifications of the electronic equipment/sub-assembly and electrical principles associated with electronic sub-assemblies

implications of electro-static discharge (ESD) upon the electronic equipment

procedures for running built-in test functions and recording identified faults

equipment and techniques to be used to test the electronic equipment, including the use of specialised test equipment

diagnostic techniques, including:

visual inspection

signal injection

half-split rule and component isolation

procedures for running built-in test functions and recording faults identified

errors indicated by built-in devices

procedures for isolating electronic equipment/sub-assemblies

tools and techniques to be used to remove/replace components from/into electronic equipment

procedures and techniques for adjusting/tuning and calibrating electronic equipment/sub-assemblies

test procedures and specifications for returning repaired equipment/sub-assemblies to service.