Question about InFocus ScreenPlay 4805 Multimedia Projector

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Left side of screen appears darker and colorless when projecting

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The light tunnel has likely collasped and will have to be replaced by a technician.

Posted on Oct 13, 2010

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Posted on Jan 02, 2017

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If it is an LED LCD TV, the backlight inverter board should be troubleshooted. Contact any service technician.

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How do i fix the screen from being darker on one side


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The filter is probably covered with dust at the sides. In an LCD projection tv the light has to pass through the filter(prism) before it displays on the screen. If its dirty then you will have a darker than usual image. Getting it cleaned should resolve the issue.

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Dark band on left side, Samsung HL-R5668W


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Blue convergence off = needs convergence IC's replaced =
Would you like step - by - step how to ??????

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1 Answer

I have have this TV for almost 3 yrs..now have a shaded area on the left side


The dark side of the screen causes of the lamp alignment or prism glass alignment. This is critical you have to consult your LG technician to do this. But if you have any background o repair consult the service manual. Please careful not to touch the prism quarts so that you maintained the clarity of picture and brightness on the screen. 

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