STANDARD COMPETENCIES:

 

 I.      List various safety requirements when working with solid state devices.

 II.     Practice safe handling of solid-state devices to avoid static discharge.

 III.    Differentiate SCRs, diodes, triacs, and thermistors.

 IV.     Identify function of solid-state devices within the operation of appliances.

 V.      Understand the basic theory of operation of various electronic devices

 VI.     Demonstrate the ability to use a multi-meter in troubleshooting the devices.

 VII.    Understand the application and logic of an integrated circuit.

 VIII.   Identify transducers.

 IX.     Understand the function of a transducer within a control circuit.

 X       Understand the basic theory of bridge circuits and their application in controls.

 XI.     Test various electronic devices found in appliance control circuits.

 XII.    Interpret schematics of appliance electronic control circuits.

 XIII.   Use an oscilloscope to determine operational status of device.

 XIV.    Understand `Hole Theory` as it applies to solid-state theory.

 XV.     Troubleshoot an appliance with solid-state controls.

 XVI.    Wire circuits.

 TOPICAL OUTLINE:

 

 I.      Shop and Electrical Safety

         A.      Static discharge

                 1.      Concerns of affects on solid-state devices 2. Prevention methods

                 2.      Proper handling of devices

         B.      Shop rules

         C.      Electrical Safety

 II.     Solid State Fundamentals

         A.      Electron Hole Theory

         B.      Semi-Conductor Devices

         C.      Types of Semi-Conductor Devices

         D.      History and development

 III.    Solid State Devices-Operation and Theory

         A.      SCR

         B.      Thermistors

         C.      Triacs

         D.      Diodes

         E.      Transducers

         F.      Transistors

 IV.     Bridge Circuits-Operation and Theory

         A.      Basic Wheatstone bridge

                 1.      Application within control circuits

                 2.      Theory of operation

                 3.      Testing

                 4.      Calculating values

         B.      Dual Bridge Circuits

                 1.      Reset controls

                 2.      Set point application

                 3.      Alarm application

 V.      Testing and Troubleshooting

         A.      Schematic interpretation

         B.      Meter selection

                 1.      Proper usage

                 2.      Safe usage

                 3.      Values and their interpretations

         C.      Locating devices within circuits

         D.      Performing a service call