Question about Mitsubishi VS-5077/78 TV

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Mitswubishi VS-5077 TV - Display would work and flicker to black screen. We would wait awhile try again.....picture would work and then flicker and go to black screen. Now black screen w/ only volu

Been working on and off for 1 year

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  • Mitsubishi Master
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The most common issue here in the old sets is bad solder connections--the problem is you have to get the entire chassis free and up so bottom of boards face rear of set---look to power supply---a lot of 2 and 3 lead parts there from heat come loose from the boards and also to the middle of the set on the middle board.


If you are not able to attempt this the set is too old for a shop repair in my view as many parts for it are no longer available.

Posted on Nov 05, 2012

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SOURCE: Lose Picture

Hi there!
May be power supply related (old capacitors),dry joints on the main board or dry joints in the video amp section. Check for loose or bad connections. Good luck,JUS004

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SOURCE: I have a Mitsubishi VS-5077 the screen has gone

You definitely have bad solder grounds. I have repaired a few of these. You will need a TV tech pull the boards out and resolder them. The worst board would be the one on the left [signal board, has rca jacks. rf connector]. And they may as well solder the second board. You will have a restored TV when completed. Thanks for asking and show a few hands of support!

Posted on Oct 10, 2010

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Is it hooked up with HDMI cable?

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Confirm to me the brand and model number AND if you have not tried it=unplug the set for a while and then power up and see if that helps.

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I have a Mitsubishi VS-5077 the screen has gone black, it started out with the darker colors going green, I was having to boost the britenees, than a line would flash vert. across the screen, now no...


You definitely have bad solder grounds. I have repaired a few of these. You will need a TV tech pull the boards out and resolder them. The worst board would be the one on the left [signal board, has rca jacks. rf connector]. And they may as well solder the second board. You will have a restored TV when completed. Thanks for asking and show a few hands of support!

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The most common failure is the convergence IC's for what you are describing. They are large black flat-pack items mounted on aluminum, finned heatsinks. They will have numbers on them like STK392-110 or STK392-120. Yours may be different but most start with STK392-___. There may be some resistors that overheated and failed,... they are usually mounted near the IC's. They will be darkened towards the middle area. Google "Mitsubishi convergence repair kit" and you'll find suppliers who will sell you what you need , quite often with complete instructions. Here's the first one I found: http://www.tvrepairkits.com/xcart/home.php?cat=2638 This link is for your model number.

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This is a convergence problem and not really a DIY Many amateurs try it to save money but end up spending more on it than a professional. There are dozens on here that managed to fix it for a day or two only to have it fail again.

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TV works fine for a while, then the picture disappears.


I would just replace the TV, the parts are not going to be made to repair this. The set is just to old.

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1 Answer

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this is the problem related to display of ur TV screen...please contact the service centre...plz dont try to repair it urself..

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