Question about Office Equipment & Supplies
Epson tw3500 came up with a thick purple line that run across the bottom of the screen. This first occurred when the projector bulb was changed for the first time, the bulb was changed once more but the problem remained. After a while the projector stopped turning on after first attempt but that has escalated to only turning on after about 10 attempts.
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Posted on Jan 02, 2017
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.
Posted on Apr 01, 2009
Hi my name is Vortash the bars you are seeing are the result of a capacitor or diode failure in the projector possibly in the power supply , they are usually referred to as ac hum bars .. this is where a circuit that should be running on pure dc voltage is being tainted by ac seepage from another part of the machine .. its also possible with the heat generated in these units it is just bad solder or dry joints ,,, best get an engineer to check it though as ot may damage the bulb and I would bet money on a repair being cheaper than a replacement bulb hoe this helps regards Vortash
Posted on May 17, 2009
if it is a uniform pulsating line, then it is the main board or engine. if it is a fuzzy line it is the light tunnel
Posted on May 11, 2010
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