Question about Toshiba 61H70 61" Rear Projection Television

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Tohsiba 61HD70 Rear Projection

I have a Toshiba 61hd70 rear projection. The picture has begun to distort and there is basically a rainbow effect on the bottom and top of the screen. Scrolling words will start on the left then move to the center before going back down to the right side. It does not do this all the time, sometimes the picture is working good. Does this sound like a convergence problem? How do I fix it and is it something I can do myself?

Today the picture shrunk and a bunch of lines appeared in the middle. The picture then went off wouldnt turn back on and the red power light is flashing? After shutting it off for a few minutes the picture came back on, but will still flash on occasion.

Let me know if you need more informaiton.

Thanks

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Yes, its a convergence problem and you may be able to fix this yourself if you have a soldering station and a few basic tools. Its possible that all that is necessary is to re-solder the pin connections on the convergence output ICs on the underside of the cicuit board. There may also be a poor solder connection on a jumper wire connection near the ICs. Its near the plastic frame. If this does not resolve the issue, you will need to replace the ICs. Remember to unplug the TV before doing any service.

Posted on Feb 15, 2009

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Posted on Jan 02, 2017

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Toshiba 61h70 Picture Problems Hello, I have a Toshiba 61h70 TheaterView HD Projection TV, and was recently having some slight convergence issues (red was out of alignment and could not be adjusted). So I researched and found that the IC?s (STK392-110) needed to be replaced. I initially purchased them on eBay, to later find out that they were cheap clones and did not work (they made the convergence worse, actually). I then purchased 100% Sanyo IC?s from a reputable dealer and replaced the IC?s again. Once finished, I then entered the service menu and adjusted the convergence alignment. Once the alignment was perfect, I hooked back up the TV antenna, the DVD player (composite), and the S-video from my computer. The convergence is fine, but now I?m having a totally different issue ? the video is ?scrolling?. The menus will show up fine, however any incoming video inputs will show up okay for a split-second, but will then flash and the picture starts to scroll in different directions. This happens with any of the video inputs. I checked and changed all the service menu items to factory defaults, however this had no effect. I have pasted a link below to a short video that illustrates the issue that I?m having. Please note that the video starts off with a black screen, showing the ?input? menu, and then I selected the ?TV input? and changed the channels. You will see the picture fine for a moment when the channel is first changed, but then the picture will start to scroll. Any ideas of what would be causing this? And how can I correct the issue? I?m not a TV repair expert, so I?m not even sure where to start. Any help would be greatly appreciated. http://s75.photobucket.com/albums/i303/hybrydmike/?action=view₪t=TV_Troubles.flv

Feb 27, 2017 | Toshiba 61H70 61" Rear Projection...

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