Question about Toshiba 57H81 57" Rear Projection Television

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Toshiba 57H81 We have a black rectangle almost the length of the screen on the bottom.

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Do you know what format the picture is in? 16 X 9 wide, theatre mode, zoom, etc... And what type of signal source do you use? Never seen a problem on the bottom, but have seen Dish Network boxes that have an adjustment for left to right Horizontal. Maybe there is one with vertical adjustment for centering picture? Don't know just thinking of any easy solutions. Of course the closed caption solution is probably correct. If not post back and I'll get out the manual on cd.

Posted on Apr 01, 2008

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Check closed captioning settings in the menu

Posted on Mar 31, 2008

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1 Answer

SNOW AND BLACK RECTANGLE ON BOTTOM


the black rectangle is likely "text" feature in closed caption area on---snow is another issue---need model and what and how signal is connected to the set.

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I believe the blue lamp in my 57H81 is going bad.


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.
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Black rectangle on the screen


That sounds like the Closed Caption function is turned on. Go to the menu and turn it off if it is on.

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Blinking power light & black screen on toshiba 57h81


This TV could have one of several problems including but not limited to; convergence IC's,bad capacitors, shorted horizontal output transistor. Call a good TV Tech. Check with the BBB before you decide on one.

Jul 11, 2009 | Toshiba 57H81 57" Rear Projection...

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BLINKING POWER LIGHT AND A BLACK SCREEN


my tv blinking power light and black screen

Jun 14, 2009 | Toshiba 57H81 57" Rear Projection...

1 Answer

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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.

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1 Answer

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you have a defect in the vertical circuit. most likely the vertical chip ,caps,diode and supply voltage for the chip..john

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