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I have a 46'' Toshiba Projection HDTV It has started to have a very bad, wavy, picture full of lines when you first turn it on. It takes approx. 10 minutes before the picture clears up and all the lines go away.
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Possible screen controls in the set are up too high---if you turn picture and brightness to zero does the screen get full black?
screens set too high would give diagonal faint trace lines in the picture.
These sets also should get a annual cleaning of the lens and sometimes the mirror inside= if this is the case the picture will usually look darker and dull ----this will not affect lines in picture.
the lens are easy to clean but other actions depend on what your response is to the above information.
Flash focus button push,didn't solved pictures convergence problems.The tv convergence board is dead.The 2 STK convergence ICS and some or all it resistors are dead.These parts on the tv convergence board,must be replaced to solved the tv picture convergence problems.The shop,will cost u $300-350 for parts and labors.
your problem is most probably in convergence circuit. very common for this model to have convergence output i.c.'s go bad also possible that a fused resistor or two has failed.
Replace the lamp first. If that does not fix it then you will have to send the light engine to Toshiba to be rebuilt. The ballast is bad but is not available any more.
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