waecE-LEARNING
GSM Phone Maintenance & Repair Paper 2, May/June 2014  
Questions: 1 2 3 4 5 6 7 8 9 10 11   Main
General Comments
Weakness/Remedies
Strength



























Question 4

QUESTION 4

  • (a) List the three sections of a mobile phone circuit board.
  • (b)  Mention one component in each of the sections list in 4(a) above.
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OBSERVATION

This question sought candidates understanding of the phone circuit board and the components         therein.   Most candidates that attempted this question got it wrong.
                        The expected answers are
                        (a)        Sections
                                                -           Coordinating section.
                                    -           Reception section.
                                    -           Transmission section.
                        (b)        Components
                                    Coordinating section   -           C.P.U., power IC, audio IC,
                                                                                    charging IC, etc.
                                   
                                    Reception section        -           RF 1C, Rx filter etc,  

                                    Transmission section   -           RF 1C, Tx filter, Network IC, antenna                                                                                              switch etc.

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