1. What is a Television?  Tele – Distance  Vision - Image

2. Methods used in servicing Televisions Block Diagram Pictorial Diagram Schematic Diagram Troubleshooting Flowchart Instructional

3. Tools needed in servicing Televisions Pliers Knife Screwdrivers Alignment screw drivers Flashlight, tuner cleaner Jumper wires Cleaning cloth

4. Continuation… Soldering iron Digital multi-tester Cutter pliers Mirrors Logic probe

5. Instruments Color bar generator Degaussing coil Multi-tester Oscilloscope Pulsers and probes RF signal generator Sweep generator

6. Continuation… In-circuit transistor checker Color bar generator Tube tester

7. Replacement Components Set of resistors Set of capacitors Set of transistors Set of ICs Substitution yoke/flyback

8. Methods used in Isolating Problems Cause-and-effect reasoning – the most useful method Signal tracing – fault-finding technique Signal substitution – using instrument in detecting problems