Question about Sony FD Trinitron WEGA KV-36XBR800 36" TV

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Sony KV36XBR800 standby blinks 4 times

Hi,

I've got a 5 year old Sony xbr800 which isn't powering up and the standby LED is blinking 4 times. I know the problem is on the D board, but can someone pin it down a bit more and maybe narrow it down to couple of components so that I can try to fix it myself ?

Thanks

Posted by on

  • Towhid Oct 15, 2008

    Thanks for your suggestion Dan!



    Do you know which board I need to look to resolder this IC ? Also is there another part number for this ? I couldn't find LA7837 in the manual, and just in case I need it I'll have to buy it from somewhere.



    Thanks!



    Towhid

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The 4 blinks usually mans that there is no vertical deflection signal. Look for a small flat Ic with about 11 pins that may be marked LA7837 or something similar. Resolder the pins on that first. If that fails to resolve it, replace the IC.

Keep me posted.

Dan

Posted on Oct 15, 2008

  • ABRsvcs Oct 15, 2008

    When you find the vertical Ic, it may be another part number. I'm doing this from memory and don't know all of the numbers for all sets. Also, the marking is the generic part designation, the Sony manual will only have the Sony part number. Post the actual marking here and I'll confirm that you have the correct part. Purchase it from a generic supplier and you will save over 50%.



    Dan

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