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Infocus lp755 projector has horizontal lines in picture. Do I need a new bulb?

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There is no way a bulb could cause this issue.
A couple problems could cause this issue, The most common being equipment failure (would need service) Failed electronics, which may be repairable but now a days, most company just replace entire component boards. This sounds like it may be a grounding issue.
Eaither the power outlet it is plugged into is not grounded, or properly grounded. I have seen this issue arise out of know where, Example when someone plugs another device in near the projector (ex. computer,ps3 etc)
First things to try,
Replace power cable and with an electrical tester test your ground on the outlet and / or unplug any other or new device near the projector. (may not just mean same outlet or power strip as more then one outlet in the same room is most likely connected to the same fuse or breaker) Or just take it else ware and plug in and test.
If none of this helps please update your post with results or re post with new info.

Posted on Sep 01, 2010

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