Question about Sony FD Trinitron WEGA KV-32FS120 32" TV

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Sony KV-27FS16 without D-Board still ''works''?

I have an old KV-27FS16 which started to have problems powering up. Eventually it didn't power up at all and blinked 4 times in a loop.
Since it is old I took a look inside. What I read so far points to aD-board problem. After a while I forgot that I took the D-board outand I power it up and it did. I connected an antenna and I can seechannels.

What is the function of the D-board? Do I really need it?


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  • 5 more comments 
  • opypr Dec 23, 2008

    I don't know what Dynamic Convergence does.
    Could you give me an example of the error?

  • opypr Dec 23, 2008

    Never Mind...
    I found a web page with a great explanation about Dynamic Convergence:

  • opypr Dec 24, 2008

    Yesterday I tried to see the difference and I noticed it.
    So, now I would like to find a new/used working D-board if possible.
    Where can I get one?

    If I replace the D-board, will that solve the 4 blinking issue?

  • opypr Dec 24, 2008

    any suggestions on where to find the D-board?

  • opypr Dec 30, 2008

    That link takes me to a power supply???

    The part number that my D-board has is 1-678-307-12 and 171857212.

    I also see A-1343-876-A with an "ink type of stamp" 875 on the side of the board.
    And I remember it been called "D board is for Dynamic Convergence"

  • opypr Dec 30, 2008

    Just double checking since I don't want to buy the wrong thing....

  • Shahid Electronics
    Shahid Electronics May 11, 2010

    D board is for Dynamic Convergence in KV-27FS16
    without D board TV will work but you will notice some error in convergence.
    Below is an image of D board pcb...



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Thats great you got that page.

Posted on Dec 23, 2008

  • Shahid Electronics
    Shahid Electronics Dec 24, 2008

    4 blinks error shows problem in vertical deflection.
    D board is some what related to vertical and I hope error will be fix after replacing / repairing D board.

  • Shahid Electronics
    Shahid Electronics Dec 28, 2008

    D board part number is ...


    and available in Part Store.



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