Fault finding Equipment
Identify each of the Instruments.
Explain the operations, uses of functional parts and limitation of fault finding equipment.
Localizing fault to a component using test equipment.
Repair faults.
Kirchhoff’s Laws
Defining and stating vector diagrams.
Kirchhoff’s law.
Current law,
Voltage law.
Explaining current law using vector diagram.
Solving simple numerical problems involving Current and Voltage law.
Stating uses of Kirchhoff’s law and its advantages over Ohm’s law.
Safety Precautions in Television Workshop
Discharge smoothening Capacltdrts) the power supply section of the Television.
Clean debris .’ and dust . collected around high voltage cage or the anode of the tube.
Take care and dispose picture tube properly.
Replace fuse and sensitive components with the right specification.
Fault Finding and Repairs in Radio Receiver
Diagnose fault by using fault finding pieces of equipment and logical trouble shooting procedure.
Identify specific components responsible for fault.
Correct the fault by replacing fault components.
Align the RF and IF stages of a radio set using the necessary equipments and tools.
Electronic Repairs
Dismantle and reassemble power supply unit in a Radio Set.
Dismantle and reassemble RF , IF, detector stages in a Radio Receiver Set.
Install and maintain a Car Radio Set.
Satellite Communication System
Explain the basic principles of Satellite system.
Explain the basic elements of Satellite Communication systems.
Explain the transmission
and reception of Satellite Communication signals.
Install a Satellite Communication system using right Antenna.
Resonance Circuit
Define Resonance.
Explain series, Parallel and series- parallel Resonance.
Explain the concept of Bandwidth using frequency ranges.
Selectivity and Sensitivity
Define selectivity and sensitivity.
Explain the function of tuner in radio receiver.
Identify the tuner ,in radio receiver
Radio Receiver
Explain the function(s) and operation of a radio receiver.
Name the various types of Radio Receiver.
Draw the block diagram of radio receiver and explains the function(s) of each stage.
State the advantages and disadvantages of the various types of Radio Receiver.
Radio Transmitter
Explain the function(s) and operation of radio transmitter.
Draw the block diagram of radio transmitter.
Explain the function(s) of each stage of radio transmitter
Amplifiers
Define and state the functions of an Amplifier.
Describe the operation frequency of the various classes of Amplifier.
Construct a single stage Amplifier.
Power Supply Unit
Explain power supply unit and identify power section in a schematic diagram.
Identify the different components that make a power supply and the different sections of a power unit.
Construct a stabilized low- voltage DC power supply unit.
Measuring Instruments
Explain the operation, uses and list functional parts and limitation of measuring and indicating instruments.
Set and read measuring instruments for AC and DC measurement.
R.M.S Value
Define R.M.5 value, peak value and frequency.
Plot graph of sine wave with given value.
Calculate the R.M.S values.
Alternating and Direct Currents (AC & DC)
Define AC and DC
State the differences between AC and DC.
State the applications of AC and DC.
Measure AC and DC using multimeter.
Electric Power
Define Electric Power.
Solve problems relating to dissipation when the values of VIR are provided.
State the units of Electric Power.
Ohm’s Law
Define Ohm’s law.
Draw the symbol of Ohm.
Calculate the unknown quantity in V, I, R when two values are provided.
Calculate total resistance of resistors in (a) series (b) parallel (c) series- parallel.
Battery
Draw the graphic symbol of a battery.
Identify different types of battery.
Test batteries.
Transistors
Draw the graphic symbol for bipolar and unipolar transistors (NPN, PNP,FET, MOSFET).
Define different types of transistors
-siqnal transistor
-Power transistor.
Identify and Draw Transistor Configurations.
Diodes
Identify types of diodes and draw their graphic symbols.
Use multimeter to determine the anode and cathode of a device and also its condition.