20 Most Recent Toshiba 57H81 57" Rear Projection Television Questions & Answers

Those blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices. http://electro-medical.blogspot.com/ http://homenol.blogspot.com/ http://electronicshelponline.blogspot.com/ If blinks continue without any pause, the main board is faulty. Search the site by type in the "brand name" to your device, in the "Search box at the top right of the display window of the Homepage" to get gathered related posts.

No you can not take the screen off to look inside. These sets are accessed from the rear, however do NOT attempt this on your own as there are fatally dangerous voltages present. Visual anomalies on a projection TV are due to bacteria growth in the projection coolant. Frankly it is cheaper to throw this away and replace with a modern flat screen that can be hung on your wall. Here is one for $329 https://www.bestbuy.com/site/toshiba-55-class-54-6-diag--led-1080p-hdtv/5861001.p?skuId=5861001

you may have a bad projection bulb. You can order one on line

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Well it sounds like a deflection circuit/tuner related issue. Is the sound affected when the picture jumps?

Have you checked the switch on the lamp housing has to push the switch so it can be switched on. sometimes the case does not hit it.

You need to replace convergence out chips in your Toshiba 57H81 tv by qualified tech because 3-D look picture in rear projection tv shows some thing wrong with convergence output chips.
Your tv model number shows it is rear projection tv that use 3 tubes to make color picture on front screen where as dlp tv use one lamp as back light source to present picture at front screen that is generated in light engine.

Hello,Projector TV's have a tube for each function e.g. Video 1, Video 2, TV. Does the TV just not work or the VCR<DVD<Game console modes not work as well? If one works and the others do not you should be able to replace that tube, module, piece.I hope this helps.

the price of the parts depend on the problem I have done a problem part list on to this picture hope this help most of the parts if you type them into ebay the parts will come up check them to the one on the board. sorry had to change the size of the picture as it has to be under 500k. switches are in the red ring if they don't click when you try to turn on or just keep clicking then i would check them. you should be able to download the picture and enlarge the picture so you can see the problem areas i have put on it hope this helps there is a bit of soldering to do to replace them if you need more help please reply.