Monday 21 March 2016

TVProblems

TELEVISION PROBLEMS:

                             TV is a an Electronic Device its Receiving RF Signals it will convert to Video Signals. Television invited by John Logie Baird in London 1926 after so many Engineers are developing this TV present days Every Home without leaving TV
                             Tv has so many Problems see below what's problems.


WHAT TO DO TV PROBLEMS:


  • No Display
  • Not Powering on
  • No Sound
  • Plain Raster
  • Horizontal Line
  • Vertical Line
  • shaking
  • Tv is running Horizontal lines coming
  • Scope the Pitcher 


No Display:

     When Television on problem is No Display Sound is Ok First open the Tv you Check the Connections in Video Section and Horizontal Section and check the Voltages the IC input and out put Voltages after will check the Video Output Transistors and Capacitors

Not Powering On:

     When Television powering on its not showing any Power  Led blowing we understand this Tv is Dead Condition First check the Power Cable,Ac Fuse and DC Fuse after will check the Power Register Voltage is coming or not after will check the Diodes and Maine Filter every thing is ok but out put voltage is ok next will check the Horizontal Section Horizontal out put Voltages and Transistors