Appliances Technician

Appliances Technician
Introduction
Appliances Technicians are responsible for the repair, maintenance, service, removal and installation of a variety of appliances and products.

General Information
Course Industry:
Appliances Technician
Course duration:
240 credit hours (45 days)
Instructor:
Mr Nazir Ahmad,Mr Raja Nisar Akbar
Prerequisites:
Matriculate or Intermediate
Course availability:
Available at Rawalpindi, Lahore and Karachi campuses.
Course Fee:
10,000 PKR ($200)

Desire Learning Objective

As an appliance technician you would be able to:

•        Conduct tests of voltage, current, resistance, inductance, capacitance and
         impedance by using electrical test equipments.

•        Refer to schematic drawings or product manuals in order to repair machines
         and their components

•        Diagnose defects and faults using testing devices       

•        Repair appliances and their components

•        Replace defective parts

•        Clean machines and drains allowing optimal efficiency performance

 

Instructional Method

We impart knowledge and Practical Training in the following way:

Ethics, discipline, motivation, health and safety training: Half an hour daily                (10%) 

Theoretical knowledge:                                                                    One (01) hour daily                 (25%)

Hands on Training:                                                                                Six (06) hour daily                   (65%)

 

COURSE CONTENTS

 Electricity and Electronics

  •          Basic electronics introduction
  •          Current, voltage, and resistance
  •          significance and applications of  Ohm's law
  •          Theory of Electricity

Basic Instruments & Measurements

  •          Accurate use of ammeters, voltmeters, multi-meters & ohmmeters
  •          Interpreting linear & nonlinear scales
  •          Basic electrical circuit schematics

 Basic Electrical Circuit Material

  •          Conductors
  •          Resistance
  •          Insulation materials
  •          Switching devices
  •          Lighting devices
  •          Printed circuit boards.

Energy and Sources of Electricity

  •          Electrical power
  •          Work, power & horsepower
  •          Reading a wattmeter
  •          Sources of electricity
  •          Polarization
  •          Battery capacity.

Basic Circuits (Series, Parallel, and Combination)

  •          Series, parallel and combination circuits
  •          Application of Ohm's law
  •         total resistance, voltage drop, current and power calculation
  •          Troubleshooting & locating defect via tracing circuits.

Magnetism and Generators

  •          Basic magnetic principles
  •          Laws of magnetism
  •          Rowland's law
  •          Magnetic field
  •          EMF / Back EMF
  •          Direct current and alternating current
  •          Generator losses

Motors (AC and DC) and Transformers

  •          Operating principles of DC motors
  •          Counter electromotive force
  •          Motor starting circuits
  •          Self induction
  •          Transformer losses
  •          Grounding electrical circuits
  •          Troubleshooting transformers and AC motors
  •          Motor failure.

Inductance, Capacitance and RCL Networks

  •          Types of capacitors
  •          Calculating resonant frequency and bandwidth
  •          Filtering action
  •          Mutual inductance
  •          True power and apparent power.

Semiconductors and Power Supplies

  •          N-type and P-type materials
  •          Forward and reverse biasing
  •          Semiconductor diodes
  •          Half-wave and full-wave rectifiers
  •          Power supply filtering; Voltage regulation

Transistors, Amplifiers & Integrated Circuits

  •          Operation of vacuum tube and cathode ray tube
  •          Bipolar transistors
  •          Field-effect transistors
  •          techniques of biasing
  •          Amplifier coupling
  •          Integrated circuits / Timers

Digital Circuits & Oscillators

  •          Analog & digital systems
  •          Conversions: Decimal/binary
  •          Logic gates
  •          Digital encoders and decoders
  •          Flip-flops

AM and FM Radio

  •          radio wave receivers history & classes of waves
  •          frequency and wavelength conversion
  •          Amplitude modulation& frequency modulation
  •          Operation of AM and FM receivers and transmitters.

Television, Video, Fiber Optics, and Lasers

  •          Television signal transmission
  •          Television innovations
  •          Multicasting and data casting
  •          Compression
  •          fiber-optics pros and cons
  •          Laser operation.

Personal Computer Introduction

  •          Field replacement unit
  •          BIOS
  •          Power-on self-test
  •          Magnetic media data storage
  •          Computer ports; Processor speed.

Microcontrollers and Career Opportunities in Electronics

  •          Computers vs. microcontrollers
  •          ROM
  •          Programming languages
  •          Microcontroller components
  •          Careers in electronics