Convergence error on viewsonic projector PJ820

Is there anyway to fix a convergence error on a Viewsonic projector PJ820. There is a dual image because at least one of the three color images is not meeting the other two. This gives it an out of focus appearance with a reddish tint on the edges of images. Thanks for any help you can provide.

Steve Martin May 16, 2006

I checked their online store and it says the service manual is out of stock for the PJ820. Do you know of any alternatives?
paulneve Aug 04, 2008

im getting a double image as well as colors are off a bit what is this called and can it be fixed i thought it was ghosting but what i have heard other people say on this site maybe its convergence , my projector is a nec multisync mt840 projector thanks for your help.

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3,130 Answers

Your gonna need to get a service manual from the manufacturer and do a convergence alighnment with the on board generator. Unless some unknowing hands have been inside the unit.?? Contact them here at this link Good Luck [email protected]

Posted on May 10, 2006

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