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Elements and Performance Criteria

1. Prepare to find and repair communications system faults
   • Work health and safety (WHS)/occupational health and safety (OHS) requirements and workplace procedures for a given work area are identified obtained
2. WHS/OHS risk control measures and workplace procedures are followed in preparation for work
3. Nature of the communications system fault is obtained from relevant documentation or from work supervisor to determine the scope of work to be undertaken
4. Advice is sought from work supervisor to ensure the work is coordinated effectively with relevant person/s
5. Sources of materials required for work are established in accordance with workplace procedures
6. Tools, equipment and testing devices needed to carry out the work are obtained in accordance with workplace procedures and checked for correct operation and safety
7. Find communications system faults
   • WHS/OHS risk control measures and workplace procedures for carrying out communications systems work are followed
8. Need to test and measure live work is determined in accordance with WHS/OHS requirements and conducted within workplace safety procedures
9. Communications system apparatus is checked and isolated in accordance with WHS/OHS requirements and workplace procedures
10. Communications system fault finding is approached methodically using measured and calculated values of apparatus parameters
11. Apparatus components are dismantled, as required, and parts stored to protect against loss or damage
12. Faulty components are rechecked and their fault status confirmed
13. Unplanned situations are responded to in accordance with workplace procedures in a manner that minimises risk to personnel and equipment
14. Fault-finding activities are carried out efficiently without waste of materials or damage to apparatus, the surrounding environment or services using sustainable energy practices
15. Repair communications system fault
    • WHS/OHS risk control measures and workplace procedures for carrying out work are followed
16. Apparatus is checked and isolated in accordance with WHS/OHS requirements and workplace procedures
17. Materials required for the repair work are sourced and obtained in accordance with workplace procedures
18. Repairs are affected efficiently without damage to other components apparatus or circuits
19. Effectiveness of the repair is inspected and tested in accordance with workplace procedures
20. Apparatus is reassembled, inspected, finally tested and prepared for return to customer
21. Complete and report repair activities
    • WHS/OHS work completion risk control measures and workplace procedures are followed
22. Work area is cleaned and made safe in accordance with workplace procedures
23. Written justification is documented for repairs to communications system apparatus

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.

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Performance Evidence

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

analysing and interpreting measurement results applying fundamental knowledge in finding faults efficiently applying relevant work health and safety (WHS)/occupational health and safety (WHS/OHS) requirements, workplace procedures and practices, including using risk control measures applying sustainable energy principles and practices checking tools and test equipment forcorrect operation and safety consulting with relevant stakeholders regarding the nature of the problem and impacts of work to diagnose and repair dealing with unplanned situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment demonstrating signal testing and signal analysis demonstratingthe making of relevant adjustments dismantling and reassembling equipment as required finding and repairing faults in communications system identifying faulty components and replacing components without damage making relevant measurements and calculations providing written justification for the repairs selecting and using relevant radio frequency (RF) test equipment selecting appropriate components and/or materials for the repairs using methodical fault-finding techniques.

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Knowledge Evidence

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

measurement techniques to verify system performance and signal quality of analogue and digital signals, including parameters such as bit error rate and inter-symbol interference. methods to reduce effects of spurious emissions, harmonics, over-modulation and intermodulation distortion (IMD) on the radio frequency (RF) spectrum modulation and demodulation techniques, including complex modulation schemes, e.g. multiple-input/multiple-output (MiMo) and spread-spectrum RF and intermediate frequency (IF) amplifier principles RF filtering principles, including quality (Q), bandwidth and typical filter types RF safety precautions RF signal generation and conversion principles receiver operating principles and characteristics, including practical troubleshooting and test techniques regulatory and technical requirements for efficient RF spectrum access relevant industry standards, codes of practice and regulations relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures transmitter operating principles and characteristics, including practical troubleshooting and test techniques.

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