Question about Zenith B27A11Z 27" TV

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Color red,green and blue is making a circle on the screen

I replaced a burned capacitor cx3211 and diodeDx3204 on this television two moths ago and it worked fine. It suddenly started to show colors in a circle in the middle of the screen. It seems like all the colors are there but are distorted. The picture is perfect. I will appreciate any help. Thank you.

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  • 2 more comments 
  • Fritz911 Aug 23, 2007

    Setting the color setting to 0 makes no difference....the colors stay there.

  • Fritz911 Aug 23, 2007

    Can you tell me what the resistor number is by any chance?

  • Fritz911 Aug 24, 2007

    Thank you. My e-mail is [email protected]

  • Fritz911 Aug 24, 2007

    Thank you, I found thermistor PTX3415 open circuit, replaced it and it works fine.

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Hello, please replace the PTC resistor. It is positioned at the primary side of mains converter. Best regards, Arpi

Posted on Aug 23, 2007

  • 1 more comment 
  • Arpad Kothai
    Arpad Kothai Aug 23, 2007

    Hello,

    the purpose of PTC resistor is to make demagnetisation of picture tube.

    Best regards,
    Arpi

  • Arpad Kothai
    Arpad Kothai Aug 24, 2007

    Hello,

    please check the position for PTC resistor PTX3415, relay KX3401 and connector for degaus 3T8.
    I have prepaired the service manual for you. If you want it please leave your email I will forward the manual to you.

    Best regards,
    Arpi

  • Arpad Kothai
    Arpad Kothai Aug 24, 2007

    Hello,

    the manual is sent by Pando.

    Best regards,
    Arpi

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