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I have a toshiba 57h81. when i turn it on the picture is scrambled and it takes 5-10 minutes to descramble and the quality and color of the picture is not good.

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Press power button for 10 seconds .
also change disaply resolutioin.
check your power supply and earting is proepr working.

Posted on Nov 24, 2008

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1 Answer

Turn on tv and get full screen but after 5 minutes half the screen starts to scramble then goes blank leaving me with half ascreen


I would suspect your power supply deflection board is failing. Normally these tvs have a problem with the hyper board in which the image is scrambled and then clears up. Your problem is just the opposite and indicates a part is heating up on the power board. A good visual look at the board will be your best starting point. Look for burn marks, a capacitor that is rounded on top or leaking. Also look carefully to ensure your CRT bulbs have not leaked fluid onto one of the boards.

It's a starting point.

Feb 24, 2011 | Toshiba 57H81 57" Rear Projection...

2 Answers

Toshiba 57h81 location of vidio baord


yes they are bad, they are surface mount on the digital board. Board replacement is advised. They are not easy to change if trying to replace the capacitors.

Dec 08, 2007 | Toshiba 57H81 57" Rear Projection...

1 Answer

Picture colors scrambled


Ur convergence it dead,Know how to solders?Buy a convergence kit to repair.These websites have the kit.Tv repair World.com,Tv Repair Kits.

Dec 12, 2009 | Toshiba 57H82 57" Rear Projection...

1 Answer

- Picture scrambled when set is


The TV has a bad board. It's called the Hyper board. It has been discontinued by Toshiba years ago so it is not an option to replace it. There are some TV repair shops that can rebuild this board by replacing most or all of the capacitors in it. You may want to call your local shop and see if they can do.

Mar 13, 2009 | Toshiba Televison & Video

1 Answer

Toshiba 57H81 Color Problem


sounds like your green tube is set to high.
take the front cover off and the plastic cover under that
you will see a black box about 6x6 with 6 controls one is for focus the other is for intensity
here a guide for sony but yours should be close.

Mar 14, 2008 | Toshiba 57H81 57" Rear Projection...

1 Answer

Hook up


Contact ur ISP, tell them to turn off interleaving
Interleaving definition: Where consecutive bits are interleaved amongst other bits in the bit-stream over a certain period of time to improve ruggedness of data., A process of scrambling the order of symbols to be transmitted over a channel in such a way that, when they are descrambled (at the receiver), any burst of channel errors will be spread out in time and thus appear as random errors to the decoder.A process of scrambling the order of symbols to be transmitted over a channel in such a way that, when they are descrambled (at the receiver), any burst of channel errors will be spread out in time and thus appear as random errors to the decoder.

Feb 24, 2008 | Belkin (F5D7230-4) Router (587009)

1 Answer

Is my Toshiba 57H81 worth repair?


Bounce horizontally usually means up and down,which relates

to the vertical output IC. Solder IC301, IC401 pin connects==try

again.You can easily isolate "bounce" problems by lightly

tapping on the vertical IC heatsink....Let me know if you need

further assistance.....T.

 

PS. Though hard to find, a qualified tech could do that repair

in home for 300. to 400.00...

Oct 20, 2007 | Toshiba 57H81 57" Rear Projection...

2 Answers

Picture Jumps/flashes for first 5 minutes


I had the same problem and followed the instructions from Jack and my 57h81 is bak up and running. Thanks Jack. RonD

Jul 02, 2007 | Toshiba 36HF72 36" TV

4 Answers

Toshiba model 57H81


If you have zagged lines there are 10 small surface mounted capacitors you will need to change on the HYper Board. This is not an easy repair so alot of folks simply replace the hyper board. You will need a service manual to take this set apart and to get the proper part number. If you have no TV repair experience or do not know how to solder, as the hyper board has sheild arounfd it, you should play it safe and call out a pro to assist you in this repair. Good Luck

Mar 19, 2007 | Toshiba 57H81 57" Rear Projection...

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