Question about Toshiba 46H83 46" Rear Projection HDTV-Ready Television

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Wavy Picture and Flicker

When turn tv on it takes about 30 min for the picture to stabalize enough to be able to watch it. Once warm there is a constant wave and it flickers every 10 to 15 sec. I though it way be a cold solder joint but couldn't find anything. any ideas

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Re: Wavy Picture and Flicker

Now we have here a falure to communicate!!???LOL good movie bacjk in the late 60'S Can you guess what one?? your problem sounds to me like a main B+ capacitor, or a capacitopr off the main scvan sweep dirived power supply> good luck

Posted on Jun 24, 2006

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Horizontal wavy lines on picture

Sounds like the convergence has failed. This video gives more details

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well its a problem fo an ic causing the issue that needs to be replaced

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When you turn on the the TV the picture is good with in a minute or so the Picture turns wavy and has a double image. I can turn it off, then turn it right back on the picture is good for any where a...


The problem with the television is the lamp. It is faulty that is why the screen turns wavy in minutes.

The solution to that is to replace the light and your television will be in good condition once again.

Take care

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Video distortion

You need to take your tv in and have the picture deflector re-aligned.  This doesn't cost much, My dad had to do that to his a few months ago and it cost 30 bucks.

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1 Answer

Toshiba 50h72 picture and sounds takes 20 min to warm up

Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....
  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some photos of convergence problems.



Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix


You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

Sep 09, 2008 | Toshiba 50H72 50" Rear Projection...

1 Answer

Bad picture until tv warms up

Its bad surtace mount caps in the hyper board.I dont know which ones .Any ideas out there ?

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1 Answer

Wavy Screen on Startup

I gather from your post that wavy can mean two possible things as the TV comes on, you see the picture flow like ocean waves? In this case you may have 60Hz hum modulating with the picture, this is actually unlikely these days, but I have heard it happens sometimes. The other thing it could be is light horizontal tearing. This happens when the horizontal frequency is too high or too low. You are not going to like my solution because I feel that for problems like this the set must be analyzed not just subjected to "shotgun troubleshooting", so here I go, Take the TV to a repair shop.

Feb 28, 2007 | Toshiba 50H72 50" Rear Projection...

1 Answer

57"H82 Toshiba-- wavy picture

you got somes capacitor bothering you, and nop, there are nothing you can do, but call a tech, the problem could be in the video card or in the power supply but is a tech job....good luck

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