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Re: Toshiba TV with only a horizontal picture?
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
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Here's an oddball, but if you have some thing similar, hopefully helpful. The problem turned out to be the focus anode (coming out of the flyback, going to the focus block) had broken loose enough to start arcing inside the flyback. Gently pulling the wire out of the flyback, clipping, stripping and tinning the end, and gently pushing the tinned lead back in until it locked proved to be the answer.
The pink lines in the set happened when the first time it blew out. It is called a burn in on the inside surface of the picture tubes. Not the fault of the TV repair guy. This is the fault of Toshiba. This set has known to have this happen and you should contact toshiba and request that they replace all three tubes for you at no cost. You should also stop using these repair guys who cannot fix a simple vertical problem. Find out who is authorized for Toshiba in your area and call them. They will know, or should know the problems that happens with this model number and take care of them once and for all. Good Luck