Question about Toshiba 65HDX82 65" Rear Projection HDTV-Ready Television

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Upon startup it has very wavy picture for about 20-30 mins. it then stays wavy across top of screen making it difficult to read box scores on games. now a flicker is happening on right portion of screen.

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You are the second person with this problem on this site today.

The model indicated is one of many Toshiba sets with the same kind of problem: this set uses what is called a Hyper module---lines left to right and noise and it clears up after warmup with the time slowly getting longer and longer until it does not clear up.

The Hyper board processes all signal from tuners and all inputs in the set and is NO LONGER AVAILABLE FROM TOSHIBA. It can be removed and sent out for "rebuild", last one I did the net cost for this was about 200 dollars.

What goes bad is the Hyper board has about 2 dozen "surface mounted" filter caps that dry out after 3-6 years. I have had two people on this site I helped who were very skilled at soldering etc and were able to remove, repair and put the board back in the set.

For the most part this is NOT A EASY FIX FOR A DO IT YOURSELF PERSON; at the shop I work for we will only repair if the customer is willing to pay to have the board "sent out and rebuilt".

I have seen two other techs in our shop try to fix them in house and fail.

This problem with these tiny filter caps is not new; as far back as 1991 Hitachi and others had the same kind of troubles with signal and other boards that used surface mounted caps.

I own a 60 inch Hitachi made in 1991----great set but over 20 bad caps of this type on PIP board----when the caps really go they leak on the board and destroy it. My set also had the same problem in the digital convergence board which stores the set's memory of convergence.

I (after getting that board out) spent over 6 hours replacing nearly 25 caps on that board------I have over 30 years experience soldering and fixing TV sets and I was able to save the set which for its age has a very good picture and performs well.

If the Hyper board in your set (97% chance) is bad you have a tough decision----even if rebuilt it will happen again in 3 to 6 years or less depending on the quality of the caps used to replace those that are bad now.

Let me know if you have questions or need advise-I am here to help.


SD TECH

Posted on Aug 04, 2010

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