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TOSHIBA TP55D80 REAR PROJECTION TV.

TURN TV ON,THERE ARE LINES ON THE SCREEN IN A CONCAVE TYPE ARRAY,COLOR LINES AREN'T IN LINE WITH EACH OTHER.HAVE BEEN TOLD BY THE PERSON I GOT IT FROM THAT THERE IS SOMETHING CALLED A CONVERGENCE MODULE THAT NEEDS TO BE REPLACED.IS THIS SOMETHING THAT CAN BE REPAIRED OR ARE THEY READILY AVAILABLE FOR REPLACEMENT?IT'S AN OLDER TV,SO I DON'T WANT TO SPEND ALOT OF MONEY ON IT.THANKS ROBIN.YOU CAN EMAIL ME AT ATMAN246@YAHOO.CA

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  • Robin Macfarlane Dec 07, 2007

    THANKS FOR THE INFO.IS THERE SOMEWHERE I CAN GET/BUY A SERVICE MANUAL FOR THE SAME TV?I'M NOT A TV TECH,BUT I DO WORK WITH ELECTRIC FORKLIFTS SO I HAVE SOME KNOWLEDGE AND ABILITY TO REMOVE THE BOARD AND HAVE IT REPAIRED

  • Robin Macfarlane Dec 08, 2007

    THANKS AGAIN FOR THE HELP.I WOULD LIKE TO GET THOSE PART NUMBERS IF YOU COULD.I'VE PULLED ALL THE COVERS OFF OF THE TV AND AM GUESSING THAT THE CONVERGENCE BOARD IS THE ONE MOUNTED RIGHT ON THE FRONT OF THE SET WITH ALL THE ADJUSTMENT POTS FOR HORIZONTAL AND VERTICAL,PART #PB4613-1.IF THIS IS WRONG,COULD YOU POINT ME IN THE RIGHT DIRECTION.ANOTHER QUESTION,WHAT WOULD CAUSE THE I.C'S TO FAIL?IS THIS JUST AN INFERIOR PART THAT WAS USED OR IS THERE AND UNDERLYING PROBLEM?

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Robin, your convergence IC`s have failed, they are readily available but not an easy job for a non-tech, the board has to be removed from the tv and then the IC`s have to be un-soldered and new ones installed, this is not a real expensive repair but everyones description of "expensive" is different.At my shop this would cost approx. $265.00 out the door, Hope this gives you the info you need to make the decision, still have questions? ask away, BMW Rider

Posted on Dec 07, 2007

  • Larry Eastman
    Larry Eastman Dec 08, 2007

    Robin, just looked it up and the manual is no longer available, sometimes if you google to model number you can find them for sale in "pdf" format, be advised the regular manual was over $50.

    If you know how to un-solder & solder you can install these but it`s not easy, I`ll give you the part numbers and you can try if you want, let me know, BMW Rider

  • Larry Eastman
    Larry Eastman Dec 08, 2007

    Robin, front board is convergence control board, DON`t fool with that one, go to the back of your set and look for IC`s "STK392-020" there should be 2 of them screwed or clipped onto a large aluminum stand-up heatsink, the number is stamped right on the face of the large, black plastic rectangle shaped IC, approx. 18 pins, will have a white paste applied to the back of them for heat transfer. Be sure to look at the resistors that are close to the heatsink for any dis-colored or burned in the middle spots. your board should be marked Q702 right by the IC, buy your IC`s and any resistors you find bad (if any) here 1-800-575-9833 (acme in Orlando) no cheap look-alike chinese knock-offs that WILL fail in 2 months, Questions? email me, BMW Rider

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