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Toshiba TV with only a horizontal picture?

32 inch toshiba tv. Horizantal picture line only. Think it may be a verticle collapse. Does any one know if something else may cause problem?

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You could have a simple loose connection on the vertical output IC . Sometimes you can tap the board and the picture will fill out . Or the IC could have failed . It will also take out the resistor that supplys the voltage to the vertical IC . If you take it apart to work on be careful as you can be shocked if you don't know what your doing . Most repair shops charge $50 to $80 to repair . Good luck

Posted on Mar 04, 2008

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1 Answer

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Your problem is due to failure of the vertical scanning circuits in your TV. This is quite common and is caused by aging components. Generally drying out capacitors
You got to be careful not to leave it on too long when the picture collapses, it will burn a permanent line across the screen.
If you are an electronics expert you can fix it if you get a schematic. If not please don't attempt to reapir it yourself since there is high voltage in side the TV.
The problem may get worse with time.

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