Toshiba 57H82 57" Rear Projection Television Logo

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Posted on Dec 29, 2008
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Wavy picture on all sources

My TV picture is very wavy and has vertical lines that flicker quite a bit. It's far to bad to actually watch something like this. I've tested out all of the inputs and they all give the same result. The audio works just fine. The on screen display also works just fine. It also turns on and off and seems to perform all other functions just fine. If somebody could point me in the right direction, I'd like to get this TV working again. Thanks I have the same wavy lines. tv repair shop said its the hyper scan board. TV shop wants $425 on top of the $75 I just gave them to diagnose the problem.

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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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I think if the picture is wavy like below mentioned images then its problem of Hyper scan Board and it requires replacement / repair on component level.

Wavy picture on all sources - 902be76.jpg

40b5d10.jpg

Hyper board needs a lot repair work and you should ask for discount in repair cost.


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The tv shop is ver correct of this problem. as u your self can get the part from www.partstore.com just insert your model number and brand and get the require parts.

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Hi and welcome to FixYa,

Initially, it could be something else such as a leaky capacitor in the power supply board, or any of the filter capacitors in any of the +B supplies.

This of course would require opening the unit, perform voltage measurements, determine faulty component and subsequent part(s) replacement. Further, a fair familiarity of electronic components/circuitry and safety procedures, use of a DVM and a soldering iron would be required. It would be to your added advantage access to a service manual or at the very least a schematic diagram with voltage readings.Should you however be uncomfortable performing a DIY (do-it-yourself), perhaps your best bet would then be to seek the services of a qualified professional.

In some instances it could be electrical interference from nearby other devices. Workarounds would include moving said devices away, trying the TV using another outlet, clearing the cables and AC cords at the rear of the TV, removing connectors/cables at the back one at a time and see if any do cause the wavy lines.

Good luck and Thank you for using FixYa.

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Your TV needs repair because there is some problem with the display IC.

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This could be an aerial problem, do you have Pick-ups? they help to pick up channels and signals in the area.

It could also be something else like the Scan Board, I'm pretty sure you can pick one of these on the internet for a cheap price. but get someone else to install it for you.

If it is still under warranty, take it back to the shop you bought it from as they will happily replace it for you.

Hope this is your FixYa! -P3NGYJ03

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Wavy lines on my Haier 32

Move other devices as far as you can from the TV. A motor on the same circuit can cause wavy lines too. Try a different set in the same location to see what happens. If different results, probably a bad filter or capacitor in the TV.
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Toshiba/ 42H81 / hyper board

You can either yrplace your Hyper board, or replace all the serfice mount capacitors in it. The cap replacement fixes this 90% of the time.
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Do you have anything to test it in 1080i? Does it do it on all connections or just one? I had a similar problem with my TV that turned out to be a bad input board. Mine would only display 1080i through the Component connections. All others would show pink and green wavy lines. It cost me around 500 to fix it. Unplug the TV. Remove the back cover for the TV. Using a NON-metal object, or gloves, wiggle the input board (that has all the video connections on it) slowly back and forth and see if the problem comes and goes. You will have to have someone watching for you. If something is loose on that board, the problem should show itself. Narrowing down the problem will probably save you money on repair bills.
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About two months ago when we first turned on the TV there were wavy lines across the whole picture. When it warmed up they would go away. Now, the lines are there almost all the time and it's getting...

hi
You are experiencing a lack of vertical deflection or vertical collapse. Since it will come back the first thing I would suspect is “ring cracks” in the solder joint in the vertical circuit, mainly the vertical IC. These suspect solder joint can be re-soldered and the television set repaired.
I would suggest that you contact a local servicer. If you are repairing the set yourself, be careful, there is always a risk of shock when dealing with electronics.
OR
Check your equipment connections. Disconnect your equipment (VCR, DVD or set-top box) from the TV and reconnect, making sure each connection is in tight.
OR

chek this site,i blieve u will b helpfull
http://www.dshosu.com/how-to-fix-toshiba-rear-projection-hdtv-wavy-lines/

regards
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Pictures goes to distorded wavy lines.

This could be attributed to tuning reception of your tv. If your using antenna only, it is most probable. If cable, check your line.

If this is a crt type, moving that tv with that size could somehow bend its circuit board. Loose connection is a probability. Could be some minor component is detached from solder. This can be attributed to tuner and vertical IC.

Just for an input.
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Picture is wavy and has black vertical and horizontal band

The following are supposed to be checked on the horizontal and vertical,
the supply of the sawtooth oscillator
eletrolitic capacitors near a line transformer
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and driver transistor a round that area.
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Wavy lines

Are the wavy lines horizontal or vertical? If they are horizontal and up near the top of the screen it could be 60HZ interference from a power cord running over the cable from the DVD player to the TV. There could also an internal breakdown of the shielding by the power supply of the DVD player. If the lines are vertical it is likely the cable or maybe the input jack on the TV. Could be a number of things.
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Toshiba - 50H82 service manual

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.
Bill
[email protected]
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Wavy picture on all sources

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. Good Luck Bill
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