Question about Haier HTF27R11 27" TV

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 Tv screen is blue and there is key signe on screen,

 Can you please help me to solve this problem.


        Thank  You 


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Your problem is in blue video output circuit.

as you are seeing lines with blue  color

those lines are called retrace lines.

please check

  • supply to blue video output ckt.&blue video output transistor.
  • loose crt base or crt base connector.
  • componenrs related to blue video output section
  • blue signal coming to red video output ckt from signal processor.
  • at last but rare cases crt weak.
  • hopr this will help

good luck

Posted on Oct 17, 2007


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