Question about LG Studioworks 700S 17" CRT Monitor

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Green color missing from my LG 700s model

Hello. I m a Electronics Engineer. I have problem with my LG 700s. My Monitor display is reddish. I could not able to change my monitor's green color from front panel buttons, but I am able to change red & blue color. I know that it is a internal hardware problem. Will u please give the solution for my problem.
My e-mail id :
       [email protected]
       [email protected]

Posted by shaileshbhor on

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Anonymous

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As you are electronics engineer so let us discuss technically.

as you are unable to see green colour means you might be seeing picture of magenta colour

as technically

red+blue = magenta

crt has got three cathodes

your two cathodes circuit is fine one ckt that is green cathode circuit is not working.

for that problem your will have to check

  • cable from computer to monitor
  • loose contact in crt base.
  • crt connector loose
  • voltage on green video output.
  • green video output transistor might be defective.or print loose.
  • circuit related to green video ckt
  • green video signal coming to green video ckt.
  • & finally crt defective (in rare case.)
  • hope this will help
  • good luck.

 

 

Posted on Oct 18, 2007

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