Question about Sony Grand WEGA KDP-51WS550 51" Rear Projection HDTV

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Blue lines on screen, Manual convergence and volt adj does not help.

Looking for DS board (P/N: A1405077A) for a Sony KDP-51WS550. Contacted Sony and they said the board is no longer available. The issue is that the blue manual convergence is limiting and does not allow the + to match up with the others. Picture has curve blue lines, plus the LED up front blinks 7 times when I turn on the TV. Did voltage adjustments on the FOCUS panel (front of TV) and it did not make it go away. Last resort I can replace the STK's (and fuse/resistor), but looking a complete board to just replace. Thanks!

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  • wilmer370 May 11, 2009

    Awesome! Weird that the refurb cost more... I placed the order and hopefully this is the fix! Thanks!

  • Anonymous May 12, 2009

    Well, that place doesn't carry it anymore or their supplier doesn't carry it anymore; I guess I'm off to changing individual components... Need to find reputable place to buy the STK's and pico fuses.

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  • Master
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HI. i have found a DS Mount(Board), that matches the model number given. it is available for purchase online and can be delivered to your address as well via ups/fed x. I will post the link to the site where you can order asap.

CLICK HERE TO BE DIRECTED TO THE PARTS STORE FOR YOUR REPLACMENT BOARD(DS MOUNT).

Posted on May 11, 2009

  • Michael Masters
    Michael Masters May 11, 2009

    Please rate and god bless:)

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I have a KDP51ws550 tv that has convergence problems. Flash focus would not work and neither would manual convergence. I replaced the both convergence ICs and checked the pico fuses, turned the unit back...


Check your soldering. Check the vertical power board on the far left when looking from the back. It has fuses on it as well.

Depending on quality of STK chips, they could have been bad or failed right away. Best things is to look at the schematic, verify what colors you can move and see which STK chip is not functioning.

If both chips are not function after replacement, likely a fuse. Be sure to verify the resistors next to the STK chips.

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http://www.somelifeblog.com/2007/08/sony-tv-led-blinking-codes-what-does-it.html

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CHASSIS: AX1/AX1X/RA6/RA6A
MODEL: KDP51WS550, KDP57WS550, KDP65WS550, KP46WT500, KP46WT510, KP46WT520, KP51WS500, KP51WS510, KP57WS500, KP57WS510, KP57WS520, KP65WS500, KP65WS510
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