Question about InFocus ScreenPlay 7205 Multimedia Projector

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6 black vertica lines pulsating from top to bottom

I have an IN24 with 6 black vertical lines pulsating, what causes this?

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Possibly a resolution issue (clock and phase). reset the settings to factory default. if that doesn't help, there might be a voltage or colorwheel issue. does the projector chirp? if so, it's the colorwheel. if not, there is a voltage/grounding issue. check to see if the plug has 3 prongs on it. if the round prong is broke off, replace the cord. if not, check the fans. if they all are working, you have a power supply problem that is not regulating the voltage properly. replace the power supply.

Posted on Sep 10, 2009

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Upon turning tv on after it's been off for a while i get two lines going from top to bottom of the screen. theres a line on the left side about 2 inches in from the left thats red and about 3 mm wide and...


Hello,

IF YOU HAVE A SOLID BLACK LINE RUNNING VERTICALLY THEN YOU HAVE A FAULTY MATRIX INVERTER. IF CENTRAL THE MAIN VERTICAL INVERTER NEEDS CHANGED. LEFT = LEFT VERTICAL INVERTER RIGHT=RIGHT.........

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Toner issue getting to drum - use gen toner cart.

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If the line is all that is showing with black on the top and bottom. This indicates a loss of vertical deflection which is caused by the loss of the veritcal sweepignal. Check the output of the vertical section of the TV set. You will need an oscilloscope, and multimeter along with a schematic.

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