Question about Mitsubishi WS-65807 65" Rear Projection Television

7 Answers

Mitsubishi WS-65807 wide screen

My problem is that when i turn on the set after over night the picture seens to bow after a few maybe up to 5 mins then the picture comes in normal. it then pops back into this bow thing and back to normal again. it than stays normal as long as the tv is on. untill shut it off and it cools down over night so we just leave the tv on all the time. want to turn it off heck the tv is not that old or been used that much it is out of warranty i have other tvs that have lasted for over 20 years and are still working. any help on this prob would be highly appreasheated if thats how its spelt thanks

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  • rugonzo Jan 17, 2008

    I Have the same problem with mine. How do I fix it

    Thank You

    Ruben Gonzales

  • peakbagger44 Feb 04, 2008

    I have just started having the same problem. When turned on cold the picture bows and the images have a shadow in a different color almost like the alignment is off. When the TV warms up the problem goes away. It is taking longer to go away as the problem seems to be getting worse. This TV is used very little and is just out of warranty.

  • Anonymous Mar 07, 2008

    It has been happening for about a month. Spends most of its time in the 'bowed' mode. Also, will occasionally flip to another mode where the individual scan lines can be seen, bright and distinct in bowed pattern at the bottom and top of the screen.

  • GtownK Mar 16, 2008

    I have the same problem with Sony KP-57WS500 with STK 392-570 IC. Looks like I need to replace these two chips to get rid of the problem.

    Thanks to all

  • dannek May 11, 2008

    dannek here had no time to try the repair untill 05-10-08

    got the stk boards on line for 16 something each total + shipping

    was 40 bucks

    got a solder ****** thing radio shack 14 bucks

    pulled the board with no knowaldge at all what i was doing

    found the stk boards removed the hold down

    unsoldered the pins

    dropped in the new boards resoldered the pins

    installed the board plugged everything back in

    and i think the t.v works better than when i bought it new

    the pictureis so crisp and clear cant believe it

    so thanks very much guys

    just so you know i thought that my eyes were getting bad

    you know the small print at the bottom of the screen disclaimer

    was so blurry now can read it like wow



    again thanks dannek

  • mclemmer Dec 16, 2008

    Mine does the same thing as described here, also, sometimes a "NUGE" or pop gets the picture back, BUT NOW I get a YELLOW on both sides of the picture? any clues? thanks guys,,,MJ

  • dannek Jan 08, 2009

    whatever you do dont get cheap stks they fail within a few months get the better ones can find them on line for around 15 dollars

    after you get these stk boards 2 required then pull your main board lable connectors they will be mounted in there behind a hold down strap you will have to de solder the pins i picked up one at raido shack for like 25 dollars and got some find solder to re solder the whole process took me around an hr and i have never done this before its very easy total cost was orund 60 dollars hey try it wont hurt can always have some one else put the boards in just give them the parts if i can do it any one can

  • davidahirsch Mar 18, 2009

    STK392-570 SAME PROBLEM.

    I need photos to proceed. Anybody have links to instructions or photos

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7 Answers

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Replace the IC's as mentioned above. I had the same issue, it gets worse over time. Fixed mine for 30 bucks. Unfortunatley it seems like they are failing again i might need to install active cooling to combat the issue... need to learn how to tap into power for a couple 120mm fans. That should do it. If anyone has an idea on how to do it, contact me.

Also i have the service manual in PDF, pm me if you need it.

Posted on Jan 07, 2009

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I need to replace the STK392-570s. I build computers but I do not know where to find the chips on the Mit. WS-65807. Anyone got any pictures of where these chips are located?

David

Posted on Oct 22, 2008

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I had the exact same problem, all I did was open up the back, and use an air blower to remove the dust, and it worked fine ever since

Posted on Apr 22, 2008

I had a similar problem. On mine, the picture was fine for the first 5 minutes then it would start to warp as it warmed up. I had Electrasound (Columbus, OH) fix it. It was the STK392-570 chips. He charged $50 each for the chips and $275 for labor/service call. With tax, $400.31. When I called HH Gregg (where I bought it) they said my set was toast and I should come in and get a new one.

My set was purchased in July 2002

Posted on Apr 21, 2008

I Had mine fixed with a new STK392-570 2 required and now it works really good. Cost was $280.00

Posted on Jan 28, 2008

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What is the STK392-570"s or Convergence IC's.Note+Requires r&r of Center PCB.

Posted on Jan 17, 2008

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Temporary fix==solder bad connects STK392-570's. Better yet,replace said convergence IC's. NOTE= Requires r&r of center PCB.Above all else,do no harm......

Posted on Oct 02, 2007

  • Vista Electronics Oct 19, 2007

    The newer they are,the faster they break. It's a sad but true



    situation we all face as consumers,but it doesn't mean we



    shouldn't try to save our equipment by doing reasonable repair work...How are you doing? any way I can help?....T.

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1 Answer

Add hdmi port to mitsubishi ws-65807


I doubt it as it was never designed for that kind of input, Component works best on this set and it should have only one HD input for a box marked in the menu as DTV.

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About 10-20 minutes after I turn it on the screen breaks up into little colored lines, the image loses focus for a few seconds then it clears up, it does this 2 or 3 times in the next 5 minutes then the...


When it does this go with the Mitsubishi remote to the menu--look for convergence-then advanced= you should get a grid of yellow lines and if see red ones not lined up the set uses one or two convergence chips ( I can look for you).

It is very common for the chip/s to act up when cold or after warmup--convergence will seem to jump in and out when that happens---in 100% of the cases I have seen (about 500) replacing the chip/s cures this and for most models I have the instructions for this repair of my own from having repaired hundreds of these sets.

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I have a mitsubishi ws-65807. I have no picture or sound. It used to work.


try the self check this model has, try to turn set on and when green power light comes on and goes off press and hold both the menu and input buttons on the front of the set at the same time for at least 5 seconds and then release both buttons.

This is a self-check this model has----the power light will then blink a two digit error code like 2 blinks, 2 blinks, a pause and then repeat it several times.


The idea here was to narrow down what area the problem is in.

Let me know with a comment here and I will tell you what the error code you found means.

SD TECH

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I have a Mitsi WS-65807 65" Played Wii for about two hours. Lost sound then picture. Now it wont turn on. Just get a warped bluish screen with lines. Any Suggestions?


Well i need more info. have you tried unplugging the tv for around 60 seconds? Was the "warped bluish screen" right before it died. Or is this when you turn it on it happens?(Bluish screen)? Because if no power at all and no picture at all. Could be Power supply. If you have some sort of picture with blue lines that are stable? You have a convergence problem. Get back to me with info i can help.

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Check for coolant spill in corner of signal PC board = from leaky
CRT seal = bad CRT...........................T.

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that tv set is only good enough to receive a 1080i signal at the DTV INPUT. unless you can change the output of the blue ray it will be outputting 1080p

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push qv and 9 on your remote and a screen will come up and follow the directions to correct your problem.

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You need the two convergence IC's replaced part# STK392-570. About a $300-$400 repair.

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What I usually find on sets like that is that there is a loose solder joint on the CRT board itslef. You must get to the bottom of the picture tubes, pull off the CRT board from the red CRT and examine all solder joints on that board. Chances are one or more will be cracked, and resoldering all joints on the board should clear up your problem.

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maybe you have a magnet near it?

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