Television 1 Jess UEAB Picture Tube. Television 1 Jess UEAB Other names CRT cathode ray tube Screen Picture tube Picture bulb.

Slides:

Advertisements

Similar presentations

Using an Oscilloscope Electricity Lesson 12. Homework Revise for the exam! Make revision check lists (lists of definitions, equations, derivations), make.

Advertisements

Television. Question: A television image is created by beams of moving electrons that collide with the inside front surface of the television picture.

Introduction to Raster scan display C A E D C Computer Aided Engineering Design Centre.

Display Technology Comparison CRT - Plasma – LCD - LED

POTENTIAL GRADIENT & CATHODE RAY TUBE

Thermionic emission If a tungsten filament is heated to about 2000 o C, some of the electrons have sufficient kinetic energy to escape from the surface.

CATHODE RAY TUBE.

Post Deflection Acceleration

Unit 9 Oscilloscopes. Objectives –After completing this chapter, the student should be able to: Explain the function of an oscilloscope. Identify the.

Java ThreadsGraphics Programming Graphics Programming: Graphics Devices.

Screen Monitor Visual display unit (VDU)

Graphics Device Principles B.Sc. (Hons) Multimedia ComputingMedia Technologies.

Imaging Science Fundamentals Chester F. Carlson Center for Imaging Science Display Systems Viewing Images.

Day 19: Electrostatic Potential Energy & CRT Applications

CRT MONITOR cathode-ray tube

Television 1 Jess UEAB 2006 Television Horizontal Section.

1 CCTV SYSTEMS CCTV MONITORS. 2 CCTV SYSTEMS A monitor simply allows remote viewing of cameras in a CCTV system from a control room or other location.

The Monitors Name of Teacher :Rasha My Name: Diana Anbar ID: University of Palestine Collage of Engineer Computer Skills.

CRT MONITOR cathode-ray tube

CRT MONITOR cathode-ray tube

The Television. Block Diagram AerialTuner Decoder (audio) Decoder (vision) Amplifier (audio) Amplifier (vision) Loudspeaker Picture tube.

What will work for you?.  What is your purpose?  How much space is available?  Consider both screen size and viewing distance  TV or wall-mounted.

Cathode Ray Tube At the end of the 19 th century it was known that when a very high voltage was applied between the cathode (negative electrode) and the.

The Television Picture

A phosphor is any material that, when exposed to radiation, emits visible light. The radiation might be ultraviolet light or a beam of electrons. Any fluorescent.

Lecture No. 3.  Screen resolution  Color  Blank space between the pixels  Intentional image degradation  Brightness  Contrast  Refresh rate  Sensitivity.

Computer Graphics Hardware

The Electron Gun Learning Objective:

Overview of Graphics Systems. Cathode-ray Tube (CRT) - colors are represented using Red, Green, and Blue components - the CRT has a mechanism for.

Television 1 Jess UEAB2006 Principles of Color Television.

Electrostatic Deflection and Focus Control.  The cathode ray tube consists essentially of an "electron gun" for producing a beam of rapidly moving electrons.

Using an Oscilloscope Electricity Lesson 12. Homework Revise for the exam! Make revision check lists (lists of definitions, equations, derivations), make.

Pulse-Height Analyzers Basic Functions Single Channel Analyzers Time Methods Multi-channel Analyzers.

THERMIONIC EMISSION & RADIOACTIVITY

Plasma Screens ‘How it works?’. Cathode Ray Tubes Output devices Cathode Ray Tubes Television screens used to use a technology called, cathode ray tubes.

Introduction to Graphical Hardware Display Technologies

Beam Penetration & Shadow Mask Method

Oscilloscope The main purposes of the oscilloscope are: Can view the input waveform voltage or current. Can measure instantaneous values of the input waveform.

4.5 ELECTRON BEAMS ELECTRONS AND ELECTRONICS. Electron Beams Given enough energy, electrons can escape from a conductor and move through a vacuum space.Beams.

20-Jan-16 cathode ray oscilloscope. 20-Jan-16 tube photograph.

Introduction to Computers Lesson 3A. home Two Kinds of Monitors Cathode ray tube (CRT) Flat-panel display.

The filament is a heated wire from which electrons are emitted. Anodes attract the electrons produced at the filament and accelerate them. X plates deflect.

 Display Devices Display Devices  Display Hardware  Components of CRT Components of CRT  Refresh CRT Refresh CRT  Electron Gun  Focussing system.

Computer Graphics.

Week 9 Monitors and output to the screen. Monitors, also known as Visual display units (V.D.Us) Desktop computers contain a Cathode Ray Tube (C.R.T.)

Television Circuit UEAB 1 Dr. Jess 2006 Basic Power Supply Circuit Half WaveHalf Wave Full WaveFull Wave Bridge RectifierBridge Rectifier.

An introduction to the OSCILLOSCOPE and its uses Colin G4GBP.

Residential Audio & Video Systems Copyright © 2005 Heathkit Company, Inc. All Rights Reserved Presentation 9 – Home Theater Video Display Systems.

Computer Graphics Lecture -02. Frame Buffer The image being displayed is stored in a dedicated system memory area that is often referred.

1.  The primary output device in a graphics system is a video monitor. These monitors are based on Cathode Ray Tube (CRT) design.  CRT is a vacuum tube/electron.

POWER POINT PRESENTATION ON

The Cathode Ray Tube Monitor

Computer Graphics Lecture 3. Graphics Output Devices A- VIDEO DISPLAY DEVICES 1.Refresh cathode-ray tube (CRT) 2.Raster-Scan Displays 3.Random-Scan Displays.

WHAT IS A CRT TV?.

SUBMITTED BY Vandana ue7465

Deflection oscillators

Advanced AV Production

Cathode ray oscilloscope. CRO

cathode ray oscilloscope

Oscilloscope and its applications

Overview of Graphics Systems

INTRODUCTION PRESENTATION: OSCILLOSCOPE..

CATHODE RAY TUBE.

Graphics Systems SUBJECT: COMPUTER GRAPHICS LECTURE NO: 02 BATCH: 16BS(INFORMATION TECHNOLOGY) 1/4/

Electrons Thermionic Emission

Fluoroscopy – Viewing Systems TV Monitors

Chapter 2 Overview of Graphics Systems

CATHODE RAY TUBE By Dr. Vaibhav Jain Associate Professor, Dept. of Physics, D.A.V (PG) College, Bulandshahr, U.P., India.

Parts of a cathode ray tube

Presentation transcript:

Television 1 Jess UEAB Picture Tube

Television 1 Jess UEAB Other names CRT cathode ray tube Screen Picture tube Picture bulb

Television 1 Jess UEAB

Materials used Glass Phosphor Stainless plate Steel Iron Tungsten Aluminum

Television 1 Jess UEAB

Television Phosphor number designation P 22 designated for color P 4 for black and white P 7 greenish-yellow light output P 1 CRT for oscilloscope P 11 for photographic application that emit blue light

Television 1 Jess UEAB Worldwide type designation system (WTDS) Type A – for television Type M – monitor AAA-DZZ designation for US tubes EAA-HZZ – European tubes JAA-MZZ – Japanese Tubes X – represent a color picture tube example of WTDS A6AAAOOX

Television 1 Jess UEAB Picture tube length and deflection Angle Length 9 – 25 inches degrees deflection angle 105 degrees horizontal deflection angle

Television 1 Jess UEAB

Picture tube bases

Television 1 Jess UEAB Picture tube parts

Television 1 Jess UEAB

Electrostatic focus

Television 1 Jess UEAB Picture tube PS

Television 1 Jess UEAB Flat picture tube

Television 1 Jess UEAB Porta TV

Television 1 Jess UEAB

Gun Arrangement

Television 1 Jess UEAB

Problem and Symptoms Low picture clarity No picture filament light ok high voltage ok Picture tube face turn to white Black spot on the middle of the picture tube Low phosphor Blurred picture

Television 1 Jess UEAB Tube testing Isolation technique Picture tube tester Variable Filament voltage supply Observation and analysis Second opinion

Television 1 Jess UEAB Picture Tube Replacement Cost effectiveness Availability Substitution (use tube manual) Picture tube size Brand Model number or serial numbers Structure and mounting Make or production code

Television 1 Jess UEAB