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

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What is a Television? Tele – Distance Vision - Image

Transcript of What is a Television? Tele – Distance Vision - Image.

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

What is a Television?

Tele – Distance

Vision - Image

Page 2: What is a Television?  Tele – Distance  Vision - Image.

Methods used in servicing Televisions

Block Diagram Pictorial Diagram Schematic Diagram Troubleshooting Flowchart Instructional

Page 3: What is a Television?  Tele – Distance  Vision - Image.

Tools needed in servicing Televisions

Pliers Knife Screwdrivers Alignment screw drivers Flashlight, tuner cleaner Jumper wires Cleaning cloth

Page 4: What is a Television?  Tele – Distance  Vision - Image.

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

Page 5: What is a Television?  Tele – Distance  Vision - Image.

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

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

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

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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