Your both wrong sorry i just did this 2 mine. You remove ur speaker covers and there will be 4 screws remove those on each side. Then take off the bottom. Then there will be 4 screws holding the screen on at the bottom remove those. Grab the screen on both sides and slide up and out to remove the screen. U can now see the color projectors and the mirror. Dust them with a dry cloth first and be careful not 2 scratch them. Then clean with a damp cloth with dishwashing liquid and dry good and look 4 streaks. Put everything back 2getha and enjoy
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In order to clean the Picture Tube Lenses you will have to remove the front screen. As for cleaning the screen use only correct screen cleaning solution or just replace the front screen if it is streak to badly.
More likely is the set is in shutdown---most common issue on this type of set is the convergence---to know you would have to locate and unsolder both 18 pin convergence chips---with them out of the circuit if the set comes on (will not look good) one of the two chips is shorted--these sets have very good protection circuits to prevent many parts from being destroyed at one time..
These are the chips--STK number is right on the front.
If your TV looks 3D, warped, or distorted it likely has a convergenge problem. If however it just looks dull, washed out, redish, greenish, or blueish or if it looks like objects on the screen have halos the fluid in the lens has soured. You can search google for parts or you can get the parts with repair instructions from sites such as www.TvRepairKits.com
Clean the small front projection mirror. That mirror can get dust on it and will cause the projected image to appear dull and dim and cleaning that mirror will usually restore the brightness and crisp details in the image.
There are two ways to do this---the hard way which is to remove the entire front screen OR
What I do is (with the set unplugged) remove the back cover of the set; you should see the three large black lens.
Most of these sets there will be enough room to get a swiffer duster up inside to gently catch and remove all the spider webs. If there is not enough room let me know and I will tell you how to remove the front screen.
Also---if you can see those large black lens---clean the dust off of them with a lens cloth or paper towel with glass cleaner sprayed on the towel.
If you can reach the webs from the back do not exert pressure when you wipe the inside of the screens---easy to scratch them.
If you have questions let me know BEFORE you attempt this.
If this helped or told you something you did not know rate this solution as very helpful as I do this here for free.
Before starting, it is a good idea to disconnect the power cord for your TV from the AC wall socket or power bar. Remove the back cover from the TV. Unscrew and remove all the wood screws holding the back cover on. Grasp the bottom portion of the back cover and pull straight back approximately 4 inches. You may require assistance from another person if you are of small stature. There are two plastic tubular portions at the bottom of the back cover that insert into the particle board enclosure and if you don't pull straight back, you risk damaging the back cover and or the enclosure. The mirror is fastened inside the back cover and will come out at the same time. You will then have access to the CRT lenses and the mirror for cleaning. I would not recommend removing the mirror from the back cover for cleaning. It can be done while in place using a clean, soft, lint free cloth and a very mild soap and water solution. Just be certain not to leave any streaks. The lenses can be cleaned with a lint free cloth and alcohol or a camera lens cleaning tool. Take care not to touch the lenses with your fingers. See web link for lens cleaning tool http://www.opticsplanet.net/carson-lenspen-cleaning-tool.html .
as i previously posted, my picture was dim, muddy looking after
replacing lamp with osram lamp. i fixed mine by taking the screen off
and cleaning the small mirror. it had a thick layer of dust on it,
cleaned with a microfiber cloth. no water, no glass cleaners. i also
used a very fine new small paint brush and dusted the projector lens
which also had a dust film. brightness, contrast and clarity returned!