I recently moved the TV to another room (it got bounced around a bit). The picture was fine initially. Over the course of one week, I lost the picture. First, colored lines began showing up at the bottom of the screen. Then it just disappeared. Now all I have is three curved lines (red, blue, green) arcing across the screen from one bottom corner to the other. The audio remains intact.
If I need to access the software, I do not have any image making this rather difficult. Any suggestions? Thanks...
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That is a screen saver. It usually comes on when you have a fixed picture that isn't moving that has been on the TV for 5 minutes or you have lost the signal. This is to keep the image from burning into the screen.
The color wheel is your suspect.......usually whines a bit
when bad. In a quiet room, you can hear it when the TV is powered on or off. It spins at 9,000 rpm ( wears out the bearing).
The lamp will not exhibit those symptoms....
the tv got dust when placed out say u need to clean the inside of the light engine, the lamp too but be careful u must use only methylated spirit with a new soft dry bristle brush caution if u touch the lamp with your hands u will shorten its life. the color wheel inside the light engine needs to be cleaned the same way too make sure u do not spill any thing in the components and of course the tv must be off nand left to dry before restarting
It could be that the installer did not tighten the mounting bolts sufficiently to make a seal. Taking the cover off the unit inside the coach, you should be able to see four mounting bolts that are inserted through springs between their heads and the ac unit.
Those mounting bolts are what pulls the AC unit snug against the gasket. The instructions say not to overtighten them when you first install them because you need to leave space to tighten them later as the gasket ages and loses its "spring". The gasket also, over time, compresses under the weight of the AC sitting on the roof "bouncing" as you drive down the road, losing the seal.
So that you have room to tighten them later, the springs on those mounting bolts should not be compressed all the way. However the bolts also need to be snug enough initially to make the seal and not just barely threaded in. You should not compress the gasket more than 50% on initial install, but it should be compressed a bit.
Try tightening them a bit with a socket wrench (tighten all 4 to an equal depth), then spray the roof area around the AC with a garden hose to see if you still have the leak.
It's the fact that people say it loud and so your mic picks it up out of the reciever and plays it again and then the same happens to other people and then it continues on and on. Also it could be doing this because the sound bounces off the Tv if your close to it.
I have seen this symptom a lot recently. There is a 9 volt regulator on the small signal board, and the output voltage on this IC has dropped down to about 8 volts, which causes that symptom. Replacing that regulator should cure your problem, and when I make a housecall for a set like that I charge $150, although I hear that the average service center charges a lot more than that. I also believe that it is never a good idea to leave a projection TV on all the time, so whoever told you that has no idea what they are talking about.