I am also having the same problem with a wavy picture on my 5 year old 50H82. I would like to be able to pull out the hyper board but I do not know where it is located when viewing from the back of the set. Is there any way you can give me the location or better yet a picture? I called the Toshiba service center in my area and they want $129 just to pick up the TV. I am not looking to invest alot of money into this set but I thought if I could bring the hyper board into the shop for a tech to test it would be a less expensive way to go and also the set is in my basement which makes removal of the entire set a hassle. Thanks for you help.
The Hyper board is an easy fix,however caution is advised as follows.The Hyper board is located under a plastic part that holds it in place so you won't short out your whole circuit board,you must unplug the set and don't plug it back in until your new hyper is installed and LOCKED DOWN with the protective plastic cover.The cover is held in place by 4 screws,2 on either side of it.The exact location of the hyper is behind the green circuit board just behind where all your cords plug in,composite cable and sound cable etc.Once you remove the plastic cover you simply lift the hyper straight up and out of the tv.Then you push the new or repaired hyper straight down into the board,their are 2 tiny pieces of metal on each end of the hyper board and they shoud line it up as you push it into place.DO NOT POWER UP until the plastic holder is firmly screwed into place or you will short circuit your convergence board and it is expensive to repair and definetly not for begginers to mess with.If you do exactly as suggested you will sucessfully be able to fix the hyper without a problem.
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If you have a normal picture with lines through it, or if the picture jumps, tears or rolls, you have a Hyper Board that is failing. The last I checked, the Hyper Board is not available from Toshiba and has not been available for a number of years.
I hope this helps,
this is a very common problem in a lot of Toshiba sets of this type----bad caps(filter capacitors) on the "Hyper" board---it processes all signals in the set---it will start out where it clears up after warmup and as time goes by it will take longer and longer to clear up----the board is no longer available and the only way to repair is remove the one in the set and send it out for rebuild---most of the time this costs 3-4 hundred parts and labor(not worth doing)
I just did a repair on one of these. Check your picture-on-picture. If the the secondary picture is clear, chances are very good the problem is on the "hyper board". We d not replace the hyper board - we repair it. The board is very expensive and rarely, if ever, available. There are several parts in the module that need replaced, but these are definitely not user replaceable. They are very small surface mount components and even I have lifted a copper or trace or two doing these. It is tedious work but our repair bill was well below $300. It is also something I do not do in the home and taking it to the repair facility is a money saver. I did go to the home on this one and remove the board to the shop, however they only lived a few miles away so the service call was low priced. Hope this helps...
Service manual won't help much in the hyper board and that's likely the problem.. Simply remove the hyper board and open the can. Inside you'll see a number of smd caps. There are 11 10mf/16v that need to be replaced...
Don't buy a hyper module simply replace the smt lytics with some mini cam radials cut to fit. You will be looking to replace Cx261, Cx230, Cx270, Cz52, Cx178, Cx221, C514, Cx250, Cx670, Cx241 and Cx541 all of them 16v/10uf... The Hyper is easy to locate it's the large metal cased vertical board just behind the jack panel. Two screws and some patience getting it out and you should have it repaired in less than an hour.
I do have the service manual and would be glad to send it, email me privately for a link.
That problem is caused by defective capacitors on the Hyper Board location UZ01 stamped MVPU14. You will need to have a technican remove the board and replace all the 10 uF @ 16 Volt SMD caps p/n 24619040N found on that board. The Hyper board is no longer available as a part.
There are about 6 or 7 surface mount capacitors 10mf/16v that cause the symptom you are having. They are located under the shield of the hyper module. The hyper module is located behind the input jack panel in the back. The module is vertically mounted and can be removed from its socket. However you must first unsolder the 4 anchor tabs of the shield first. Thats the easy part. Removal and replacement of the capacitors requires precise and excellent soldering skills. This job should be left to someone who has done this a few times. Hope this info helps.