Question about Toshiba 61H70 61" Rear Projection Television

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Toshiba 61H70 Weird Convergence Issue?

I recently inherited a Toshiba 61H70 with issues.

When first turned on, it does all sorts of strange things. The picture will look reasonably normal, then the convergence will go totally nuts like a "hall of mirrors" with each color warping in different ways, then it will blur and get lines on it like the old TV's when the vertical sync knob was turned all the way.

After 5-10 minutes, the TV settles down, and everything looks perfect except for a warping of the blue convergence near the bottom right corner of the screen.

Occasionally, while the TV is warming up, it will just shut down and flash the light on the front panel. It won't power back on. If I unplug the TV for 20 seconds and then plug it back it, the TV powers right back up.

The people who previously had this TV had the convergence IC's replaced in it a little over a year ago. They claimed that it solved the problem they had then, but that the problem seemed to come back as of late.

I assume that the convergence IC's will need to be replaced, but is there any other advice you could give me to prevent these IC's from going bad again? Are there any other things I should look for besides bad convergence IC's?

Thanks!

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They may have gotten some cheap convergence ICs, thats a real possibility. I would recommend switching the two origional STK392-110 with some STK392-150 they will run alot cooler and last alot longer. Just use a good coating of heat sink compound on the back of the ICs. I will post a link where you can get top quality Convergence ICs and they provide free instalation instructions with pictures so you can do the job yourself in under an hour and save quite a bit of money. Heres the link.
http://servicemanuals.vstore.ca/

Posted on May 22, 2008

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Posted on Jan 02, 2017

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on May 10, 2010 | Televison & Video

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on May 10, 2010 | Televison & Video

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Colors out of focus- like a really bad 3-d movie


the convergence issue can be usually repaired by replaceing both of the STK392-110 Convergence amps and the six 1.2 ohm 2 watt resistors. You can get replacement parts at the following link with instructions on how to replace the ICs.
http://servicemanuals.vstore.ca/

May 21, 2009 | Toshiba 61H70 61" Rear Projection...

Tip

Toshiba 61H70 Service Manual Download


Download Toshiba 61H70 Projection Television Service Manual

Models: 50HX70 / 55HX70 / 61HX70 / 55H70 / 61H70

8035beb.jpeg



Have you misplaced your Toshiba 61H70 Projection Television Service Manual?

Would you like a digital, searchable, pdf version of the Toshiba 61H70 Projection Television Service Guide?

Follow this link
(& click FREE) to download a pdf version of the Toshiba 61H70 Projection Television troubleshooting & repair instructions.

I hope that helps.
_______________________________________________
Toshiba 61H70 Manual Download

on May 10, 2010 | Toshiba 61H70 61" Rear Projection...

Tip

Toshiba 61H70 Manual Download


Download Toshiba 61H70 Projection Television Manual

Models: 50HX70 / 55HX70 / 61HX70 / 55H70 / 61H70

8035beb.jpeg



Have you misplaced your Toshiba 61H70 Projection Television Owners Manual?

Would you like a digital, searchable, pdf version of the Toshiba 61H70 Projection Television User Guide?

Follow this link (& click FREE) to download a pdf version of the Toshiba 61H70 Projection Television instructions.

I hope that helps.
_______________________________________________
Toshiba 61H70 Service Manual Download

on May 10, 2010 | Toshiba 61H70 61" Rear Projection...

1 Answer

Toshiba 61H70


Does it look like a 3D image?
Would you be able to post a picture of the TV with the mention lines?

Aug 16, 2008 | Toshiba 61H70 61" Rear Projection...

1 Answer

Convergence when hooked to HDTV


Your set needs to be realigned in each format, then settings saved

May 06, 2008 | Toshiba 61H70 61" Rear Projection...

1 Answer

Possible convergence problem


You could replace it yourself. I had it done recently and the local repair shop charge $400 to do it (including cost of the chip).

Jan 30, 2008 | Toshiba TP50H50 50" Rear Projection...

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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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