I changed the bulb on my epson powerlite 83+ and now there is a blurry spot in the middle of my screen. Is there anyway to fix this?

Sounds dumb on this one but make sure the lens is cleaned. Other then that check the manual for operating range of lens to screen. Typically somewhere in the area of 8 to 12 feet.

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you need to clean the backside of the LCD and the LENS ... on the inside. get a service manual off the internet and have fun...it is hard to do.

im afraid that sounds like some dead pixels. and if thats the case then no a bulb wont fix it. call epson tech support and see if they will replace it for free.

We found that the bulb was dim because it was about to burn out. The projector's filter han't been kept clean, causing it to run hot, which in turn shortened the bulb's life.

make sure the signal matches. you could reset the settings to factory default.

hi follow the link bellow the instructions are on page 83 \\files.support.epson.com/pdf/pl83pl/pl83plug.pdf

Wow, 3 in a row. As described on 2 other projector issues this is very similar to those others. I'll repeat the info here.

I assume this is an LCD. I don't remember the s4 being a DLP projector.

This sounds like the LCD panel used for the blue color has gone out. The image is made up of red, green and blue images layered upon the screen. If the blue panel has gone out then there is nothing filtering out the red light in the image.

It looks like yours has just a secone of the panel dying or comming loose from it's connector.

It could be a simple open and reconnect fix. I personally have never opened a projector, so I'm not going to walk you through it as I do not know how hard it would be to tinker with. It should eb a cheap fix for a true repair man though.

if you know how to open the unit, try fixing its ventilation. flashing bulb light sometimes mean an occurance of overheating. try to clean all the fans and the air vent.

you may have touched the bulb while changing it and minute traces of skin oil are on the actual bulb, with the machine cold, try and very carefully clean the bulb