I have a RCA projection tv. While cleaning the mirror inside the tv, I
looked into the projectors and noticed dead bugs underneath the lens's.
The lens's appear to be sealed. How would I go about cleaning, without
knocking something out of whack. The model states it to be P5273IWK
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The tv have a problems known as a convergence problems,it dead.Tv have colors lines R,G,B mis alignments,have colors shadow pictures or 3D pictures look alike?The tv convergence board is dead.The tv convergence board must have replace the 2 STK convergence ICS and some or all of it resistors too.To fixed the tv convergence board to solved the tv convergence picture problems.The shop,will cost u like $300-350 for parts and labors.
Some projection tvs have three picture tubes called CRT, this crt system requires a little manintenence every once in awhile, lens and mirror cleaning as well as projection screen cleaning, there are other procedures that have to be ran sometimes to return the picture to a regular viewable level. With the projector type of TV, there is usually the light box , mirror and screen maintenence, these procedures should be done at least once a year and only requires a minimum of materials and time, and there are other parts and procedures that can bring the picture to normal viewing levels.
Start by taking off the front bottom cover, usually they have screws way at the bottom one on each corner, then uncrew the screen usually there is 3 screws at bottom of screen pull up and out on the screen the screen has small screws in the inside all the way around take them off once you reached screen take it out and split it in half clean it with dry rag then put everything back together exactly the way u took it off before you screw the screen back clean the projectors with dry rag and the mirror with windex or any glass cleaning product.
you need to take the screws out from around the screen in the back, on edges, go to the front and take the screws out from the bottom of the screen, should be 4 or 6 in the front, pick up on the screen and lift off, only about 8 pounds, now clean the little mirror in front of the projector, and clean the dust off the projector lence, that will solve it, iv had to do this on about 50 of thease tv's
Look into the top of the tube. Probably has fungus growth. Do a search. I posted that solution many times this week for that. Normally, focus don't go out on T.V's by themself. Either the tube is bad or has fungus or the screen control is bad.....but very rare will focus part fail...usually brightness/screen is at fault. Don't forget to check the green tube as well when looking. Take the back off and see if your head will fit. If not, a large mirror will do just fine. Put something on with writing displayed....easier to tell that way.
I solved the problem by connecting a VCR to the TV and surfed the tv channels with the vcr remote, some how the new video input cables and the vcr solved this problem for me. I just set the tv on Video Input 1 and use the VCR. It wasn't as hard as I thought the problem was, just poor signal.
There is black insulating foam that surrounds the projector and it may be displaced to one side.This leaves about an 1 inch opening around the projector lens and that could be the source of the problem,dust being blown into the compartment with the mirrors. Cleaned the mirrors really well and used double stick tape to reattach the foam to the plastic frame and this will closed off the opening that maybe letting the dust into the mirrored area of the TV.