Sony FD Trinitron WEGA KV-21CL10 21" TV Logo
R Tonui Posted on Sep 19, 2013

Why are green horizontal lines are appearing, too much yellow colour and green light blinking red?

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Edward Carrington Vinton

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  • Posted on Oct 30, 2013
Edward Carrington Vinton
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Joined: Feb 26, 2010
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These horizontal lines are vertical flyback lines and would indicate
one or more of the tubes cathode drive circuits are defective.
As the picture is predominantly yellow this would indicate excessive drive to red and green guns. Check the red and green video output stages especialy any clamping diodes.regards from Vintie

3 Related Answers

Anonymous

  • 668 Answers
  • Posted on Jun 17, 2009

SOURCE: 6 horizontal lines

I would look for a Vertical circuit failure. Most likely is the vertical output IC and or open resistor off the hv transformer. Definitely look for any loose solder connections around the Vertical output IC.
Hope this helps,
Skyassoc

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Anonymous

  • 2 Answers
  • Posted on Jun 30, 2009

SOURCE: SONY KV-32TW67 FAINT GREEN AND RED LINES ACROSS WHOLE SCREEN

friend maybe your LCD was broken or loose. try to pull gently if it return to normal image.

Anonymous

  • 86 Answers
  • Posted on Nov 17, 2009

SOURCE: Green and yellow images appear to be orange on the screen

hello my fellow electronics tech. it seems that you know something about electronics. i would check the color transistors on the circuit board on the back of the crt neck. i believe it is supposed to be around 5v per transistor. one way to be sure is to match voltages with the other two amps and see if the green has no voltage. you then make a resistance check. make sure all power is off and the voltage has been drained from the set. check the caps by the color ic also with an esr, or use your ohmmeter.test your color ic for correct voltages that could cause erratic color problems. thank you very much and please rate my solution

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