WAEC syllabus 68/waec-gsm-phone-maintenance
WAEC GSM Phone Maintenance

PREAMBLE

This syllabus is designed to assess candidates’ basic skills of maintenance of mobile phones, in terms of knowledge and competence in fault finding and systematic repairs. It also assesses candidates’ knowledge of setting up and managing a mobile phone maintenance and repair enterprise.

AIMS AND OBJECTIVES
The aims and objectives of the syllabus are to test candidates’ knowledge and understanding of:
Basic concept and terminologies 
2. Tracing, testing, trouble shooting, maintenance and repairs of mobile phones 
3. Analyzing mobile phones PCB circuits 
4. Different fault finding techniques 
5. Using internet resources, data manuals, service manuals and trouble-shooting manuals 
6. General safety precaution in mobile phones repair and maintenance 
7. The requirement for setting up and successfully running a mobile phone maintenance and repair business 

SCHEME OF EXAMINATION
There will be two papers - Paper 1 and Paper 2 which shall be composite and will taken at one sitting.
PAPER 1:   Will consist of 40 multiple choice objective questions to be answered in45 minutes. This will carry 40 marks
PAPER 2: Will consist of two sections, Sections A and B lasting for 1 ¾ hours and carrying 100 marks.
Section A - Will comprise twelve short structured essay questions. Candidates will be required to answer any ten of them in 55 minutes for a total of 60 marks.
Section B - Will comprise two questions on test of practical work for candidates to answer both in 50 minutes for 40 marks.
Notes: The candidates are expected to have gone through an apprenticeship programme for a minimum of eight weeks with a reputable organization before sitting for the examination. A log book of work done and portfolio should be kept by the mentoring organization. This will constitute part of continuous assessment for the examination.

A. INTRODUCTION TO MOBILE PHONES AND SERVICE 
 PROVIDERS Definition   of   mobile   phones   and   its   1. Mobile phones acronyms and terminologies    terminologies Terminologies should include GSM, CDMA,    mobile phones/cell phones/user equipment,    MMS, SMS, call barring, call forwarding,   2. Mobile phone bands and their uses BSI, DCT, FPS etc.    Band—single, double, tri and quad bands and   3. Types of mobile phones their uses.    Mobiles phone types—straight, flip, slides   4. Phone accessories and their functions etc. and their special maintenance needs.    All phone accessories including;    headsets/hands free, earpiece, external   5. Types of menus and sub-menus Bluetooth, batteries, chargers, cables etc. and    their functions.    Menus and sub-menus including; phone book,    message, call, settings, applications etc. and   6. Service providers and their codes their functions    Major voice service providers and their   

B.  BASIC COMPUTER AND service codes.   INTERNET CONCEPTS.   1. Introduction to computer    Definition, identification and functions of        
Introduction to internet 3. Browsing the web 

C. ESSENTIAL COMPONENTS OF MOBILE PHONES AND THEIR FUNCTIONS 
Structure of mobile phones 2. Hardware components 3. Software components 
D. MAINTENANCE AND REPAIR OF MOBILE PHONES 
Electronic components in mobile phones 
2 Preventive maintenance 
3 Corrective maintenance 
4 Common tools and equipment for hardware and software repairs.  various computer hardware (monitor, CPU, keyboard etc.) and software (operating and application) components.
Web access platform Including; WAP/GPRS/EDGE/Wi-Fi/3G etc.
Browsing activities like downloading, uploading etc.
Basic block diagram (power unit, memory unit and radio unit) and functions of each block
Identification, description and functions of various hardware components including CPU, SIM socket, earpiece, keypad, buzzer, vibrator etc.
Various software components both operating and application software.
Resistors, capacitors, diodes, transistors, IC, e.t.c.
Definitions, functions, reason, advantages and procedures (cleaning, soldering, de-soldering, re-balling etc.) of preventive and corrective.
Safety in mobile phone workshop 6 Common hardware problems 7 Common software problems 

E.  TROUBLE-SHOOTING 
Basic trouble-shooting maintenance
Identify common tools and equipment for hardware repairs such as; star, Allen key, lead, precision set, multi-meter, oscilloscope, computer set soldering iron and sucker etc. and their uses.
Identify common software tools for repair such as; unlocking software, flashing software firmware installation etc.
List safety rules and regulations. Safe use of maintenance tools. Basic safety facilities in the mobile phone workshop (first aid box, fire extinguishers etc.)
Identification of hardware problems such as damaged screen, charging ports, mouthpiece, earpiece, keyboard etc.
Identification of software problems such as;
‘contact service provider’, ‘phone lock code’, ‘invalid SIM’, ‘SIM card rejected’ etc.
Dissembling and assembling, testing and trouble shooting of component such as displays, speakers, vibrators, ringers, charging Tracing and fault finding in hardwareFault finding in software
ports, charging jacks, batteries, keypads, panels etc.
Trouble shooting/fault finding using relevant mobile phone menus.
Identification of mobile phone ICs and electronic components.
Reading of PCB circuit layout and schematic diagrams.
Identification of faulty components (using visuals, continuity test, open circuit, short circuit etc.)
Test voltages on PCB (voltage levels at various points and voltage specification of IC pins)
Trouble-shooting techniques—metering methods, signal tracing/injection, component testing, visual inspections etc.
Trouble shooting Surface Mount Devices (SMD)/ Ball Grid Array (BGA) etc.
Use of software codes for faults finding. Fault  F.  SETTING UP AND MANAGING find related to software (SIM locked, SIM   MOBILE PHONE WORKSHOP rejected, hanging problem, restart problem   1. Setting up a mobile phone work shop etc.)    Flashing of mobile phones—flashing devices,   2. Facilities/equipment for mobile flashing software and their uses    phone workshop. Phone lock/security unlocking/resetting   3.  Managing a mobile phone business counters    SUPERVISED APPRENTISHIP    (INDUSTRIAL TRAINING)    Capital, personnel and factors that    determining choice of location    Identify appropriate facilities/equipment for a    mobile phone workshop.    Risk analyses, costing, return on investment    etc.   

CANDIDATES ARE REQUIRED TO    SPEND A MINIMUM CUMULATIVE    TOTAL OF EIGHT (08) WEEKS OF    APPRENTISHIP IN AN ACCREDITED    REPAIR AND MAINTENANCE CENTRE     
LIST OF MINIMUM ITEMS OF EQUIPMENT FOR A CLASS OF FIFTY CANDIDATES
 ITE EQUIPMENT QUANTITY QUANTITY   M REQUIRED SEEN       7    1 Scrap   mobile   phone/Mobile   phone 10    parts      2 Mobile phone manuals 10      3 Mobile phone 50      4 Chat of service codes 1      5 Phones accessories (various types) 25      6 Data cable (various types) 25      7 Oscilloscope 2      8 Multi-meter(Analog/digital) 10      9. Brush 25      10 Soldering iron 10      11. Safety chart 1      12. Hammer 25      13. Spanner(various types) 25      14. Tweezer 10      15. PCB Board holder 25      16. Cutter 25          17. Magnifying desk lamp 10      18. Ultrasonic cleaner 1      19. Re-balling kits (Chat) 05      20. Flashing and unlocking devices 02      21. Cables and wires Assorted      22. DC Regulated power supply 02     

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