Question about Toshiba 57HX81 57" Rear Projection Television

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Toshiba 57hx81 picture is larger than screen how do i get to the projector to adjust it

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Re: toshiba 57hx81

Was ther any damage done to the cabinet miror may be miss alinged or posible bad regulator get back to me

Posted on Nov 02, 2007

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Based on advice here I have purchased 2 STK392-150 chips for a 57HX81 Toshiba...looking for instructions/pictures for the best way to complete the fix...

You can get a repair kit with parts and instructions from . They also sell just the instructions and suppurt if you have the parts. Email them for that info

Sep 23, 2010 | Toshiba 57HX81 57" Rear Projection...

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Hello I have a Toshiba 57hx81 projection TV and one day It just went out blank screen it gets power just now sound or picture. so my question is where are the fuses located? i looked and cant seem to find...

pico fuses are located on the brown board left side after the back cover is removed. they are scattered all over that board, but are reconized by the board markings Example: F470-120v @2 amps.

check all solder jionts, a common problem

Jan 03, 2010 | Toshiba 57HX81 57" Rear Projection...

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Toshiba 57hx81, has a slight squikgly line near the top of screen, colors seemed faded, not bright. i did the convergence adjustment and adjust the colors/focus with front lower right screws..Is there a...

jhinsincity: you dont need to be here, do you? the problem are the caps on the hyperboard, 10 -16v@ 10uf, rear access right hand green board, model 57hx81, the hyperboard must desoldered from main board. read the post on wavy lines,,

Dec 30, 2009 | Toshiba 57HX81 57" Rear Projection...

1 Answer

My 57hx81 has a slight concave bow in the middle top to bottom

Sounds like a problem in the vertical sweep circuit. Check voltages to your convergence ICs. If they are  not to spec then look for bad fuses and capacitors on the power board. These will throw off the DC voltage to the convergence chips causing the bow effect. I've had a single bad pico fuse ($1) cause this symptom. 

Dec 06, 2009 | Toshiba 57HX81 57" Rear Projection...

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Toshiba 57hx81 picture unrecognizable

Common problem on these sets--the board is not available--don't buy a used one--only way to get another is to remove the one in the set and send it to PTS Electronics--they repair and rebuild boards--If I have helped you take a minute and give me a vote here as I do this for free.


Sep 03, 2009 | Toshiba 57HX81 57" Rear Projection...

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Toshiba 57HX81: Green works but Blue and Red seem to be out.

Do you still have reds? Is the image still clear though discolored? If so you ought to replace the blue bulb which has most likely failed. The part no for the 57HX81 model blue CRT bulb is TOSHIBA     23008753. 

Jun 11, 2009 | Toshiba 57HX81 57" Rear Projection...

1 Answer

Toshiba 57HX81 is all wiggly and distorted (youtube video attached)

I don't know about that. Someone probably was rough with it and messed them up. You should have a technician look at it.

Jun 16, 2008 | Toshiba 57HX81 57" Rear Projection...

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