Question about Sony FD Trinitron WEGA KV-27FS100 27" TV

3 Answers

Sony KV-27FS100 On this set I replaced the flyback with an aftermarket one. The voltages are all correct, but the convergence is very erratic and the width is too large, horz drive is good. any one come across the one?

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  • Guy Kelly May 27, 2008

    Hello
    Sorry but I asked the wrong question,It is not convergence but severe bending and twisting and over width of the pix with lots of varisions of all of the above.
    Thanks Guy9

  • Guy Kelly May 27, 2008

    Hi
    this set has no convergence ***.
    It it is a pincushion problem

  • Guy Kelly Jun 02, 2008

    to BEST DARN GOOD
    the blank was assembly (shortened)

    The set came in with no power
    replaced the shorted flyback transformer set came on with this weird problem.
    I tried scoping the waveforms but all are distorted.except the vertical and horz drive.It may be the video processor

  • Guy Kelly Jun 03, 2008

    It did'nt get worse the set was dead. so I have no way of knowing. the costomer had it to another shop before me. so something may of happened there.
    Thanks Guy

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Try replacing the convergence ICs and then try fixing the convergence with the knobs within the tv. Good luck with this and let me know if you come into any problems or need any more questions about this answered and I would be glad to help.


Posted on May 27, 2008

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  • Benjamin Patri
    Benjamin Patri May 27, 2008

    this still sounds like a convergence error. Most likely the convergence circuitry will have to be replaced. This isn't all that cheap but you can do it.

  • Benjamin Patri
    Benjamin Patri May 27, 2008

    this set has no converngence ____ what was the blank?
    could you possibly take a picture of this tv while on and email me the picture to bestdarntootingood@yahoo.com so I can have a look then.

    also, before replacing the flyback, was this the problem or it just started to occur. Why did you replace the flyback otherwise

  • Benjamin Patri
    Benjamin Patri Jun 02, 2008

    Were you able to fix this, if so then please give me some feedback by
    rating my solution. If you need any more help, I would be glad to
    assist you, just ask.

    thanks and Have a Great Day!

  • Benjamin Patri
    Benjamin Patri Jun 02, 2008

    yeah if the convergence isn't the problem then yes it sounds like it would be in the video processor circuitry and that you should try replacing it. What I find weird though is that it sounds like the tv got worse when you replaced the flyback.

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Adjust the horizontal and vertical in tube

Posted on May 27, 2008

  • khader ibrahim May 28, 2008

    can u send me the pic of this tv or send me circuit and email me khader_abu@yahoo.com.. can u give me the pin details of the pincushion

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  • Sony Master
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I think you need to do convergence setup procedure. The procedure is illustrated in service manual

Posted on May 27, 2008

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Hiii...
I hope you have experience with repir TV because you have common problem whit high voltage on tv board.....
What chassis of you TV set have ?
I hope hear from you soon....

[Vrya]

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