Question about Toshiba 55H70 55" Rear Projection Television

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Top 6" only thing viewable.

Top 6 inches of picture working fine, everything else black snow flowing from right to left. Sound is also distorted. will not power off either.

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If you go to the following link we have the service manual for you set for 10.99 and we provide unlimited chat support so you can diagnose and repair your set. Just click on toshiba and you will find your model number. Then click on the contact us link and provide your email address we will then email your manual along with instructions on how to enter into the chat sessions. Hope this helps you out.

Posted on Jan 13, 2008


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Posted on Jan 02, 2017


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Black screen w/small portion of top of picture showing at bottom of screen

Hello, the problem with your projection TV is in the so called bad soldering in the vertical deflection stage. Please contact a pro in order fot fix the error. If you need more assistance please advice. Arpi

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1 Answer

Black comes across right side of screen

Sounds like you've got whats called a cold solder connection somewhere in the horizontal width control circuit or a connection in the sweep section. Should'nt be two expensive but unless you have had some soldering and troubleshooting experience I would leave this on to the pros. Good Luck

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