Hello Premtech, I have a Toshiba 42" 42H81 TV and have the hyper board problem. It doesn't seem to affect the component inputs, just the RCA inputs and Coaxial cable inputs. It seems to have gotten progressively worse.This is the 2nd or 3rd time, except this time the warranty has run out. I would appreciate it if you would send me a manual or schematic for this set. I am going to pull the card and repair it myself. My email: email@example.com Thanks a bunch, Tom
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It's sent via Pando and you should get a link to it in your mail. To open it you'll need Pando, it's a free download if you don't already have it... The hyper module on that has about 10 caps that are common in that failure. If you need anything off board don't hesitate to ask.
Bill William Rayburn, CET Premium Technologies PO Box 442 Long Beach, WA. 98631 360-642-4993 firstname.lastname@example.org
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...
This is a somewhat common problem having to do with the hyper module, Toshiba p/n#23148024
There are a gouping of 16v/10uf caps in the hyper board that fail causing the distoritions you're describing here. At first, as the module begins to go bad the distoritions are present and usuallly go away or fade significantly as the set warms up - - this gets worse until the distoritions don't go away at all... From what you're saying you're at stage three already. :)
You have a few of options: (1) local repair shop pull the board and replace the caps or module; (2) Pull the module yourself and repair or send it in for board level repair; or (3) pull the hyper baord, order a new one and put it in yourself.
For 2 or 3 you'll be better off having the service manual and if you need it just email me privately and I'll send it. Make sure in your request to tell me the model number and reference something of this repair so I have a clue of what you need.
BTW the hyper board is on the left side of the unit mounted vertical on the signal board inside a metal can.
it needs the hyper module replaced
might as well have em do the stk packs too
its too old to be a lemon
the part that was replaced was not new it was in someone elses tv and had problems there too
the trick is to find someone that will fix it so it lasts