Question about Mitsubishi WS-55807 TV

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Where can I get a module and ic for a mitsubishi ws55807 projection tv?

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  • amanda312 Aug 05, 2010

    We had someone come out to look at it and he said it needed a new module and he could get one for $400 (more than I want to spend), part# 930k864001. I was wondering if refurbished ones were available since he mentioned we would have to send the old one in.

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If you are talking about convergence, this model uses 2 of the STK-392-570 convergence IC's which are located on the middle circuit board.

The board has not been available for a long time and one seller on Ebay has the chips at about 14 dollars for a pair.

Repair requires removal of the middle board and the chips are soldered in.

I do have start to finish, step by step instructions for this repair in this model; they tell you everything you will need and how to do the repair, I can post them here for you if you want them for free.

Considering that even if the board was available it was well over 100 exchange it is much cheaper and better to do it yourself.

Let me know if you have questions or concerns.

SD TECH

Posted on Aug 04, 2010

  • SD Tech
    SD Tech Aug 09, 2010

    iF THE PROBLEM IS ON THAT BOARD HE IS NOT GOING TO SEND IT OUT---HE WILL REPLACE THE CONVERGENCE CHIP ETC AND HIT YOU FOR 400 FOR A 200 DOLLAR JOB THAT SHOULD BE ABLE TO BE DONE RIGHT IN YOUR HOME.

    sd tech

  • amanda312 Aug 10, 2010

    If I can find the module then he will come out and fix it for no extra charge (we already paid for the service call and there is no hourly charge) but the module he found is $400 and I can't seem to find one at all.

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your convergence circuit has started giving trouble .... normal thing after a few years running for projection televisions ...... could be that the convergence IC's are getting too hot (two big IC's on a heast sink bearing an STK number on it) or that you have some loose soldering that needs to be resoldered on them.... worth the check
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