I have a lcd tuls57p2c epson tv. ser. no. gkpcyx00040. i purchased this approx 4 yrs ago. there are redish blotches on the screen. do i require a new lamp or what would be the problem. thanks for your time Bart. email email@example.com call 250 714-3058
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I have had the same problem and after several trips to the shop I realised it was caused by humidity. The shop was air conditioned so the problem never happens there. A dehumidifier or air conditioner "solved" the problem.
IF THE SCREEN IS ALL RED WITH VIDEO VISIBLE AND RETRACE LINES. ADJUST SCREEN CONTROL IN THE FRONT FOR THE RED TUBE ONLY. TURN CONTROL COUNTER CLOCKWISE. IF THAT DOESNT DO IT THE TUBE CAN BE REJUVINATED.
Ok, so I'm about to flip a lid with my TV. I am showing purple quater sized blotches all over my screen. I bought it for a discounted price because of this issue, in hopes i could fix it. I took the back panel off the TV. ( about a 6in * 6 in plate) removed the light bulb and cleaned the bulb and lens, where the light bulb faced. I used a dust cleaner and special cloth. NOTHING! I took the entire front screen off cleaned it and then cleaned the mirror and second lens.... NOTHING! Then i heard that dusk sometimes gathers behind the lens and that should be cleaned. Try this, Its 4 screws, just be careful and remember the way you took it out, because it has to be replaced the same way.
The blub burned out and its 300 to get replaced. I just had mine replaced and the mirror cleaning and the screen cleaned but I still blotches all over the screen but I was brighter. In my case its the might engine, which is 2000 worth more then the tv. Now I was told that the engine could be cleaned but it would not be perfect.
He looked at me the tech and said, your getting a new tv. I would suggested a flatpanel lcd. He said he never gets calls on those.
I just fixed the problem on my epson 57" living station. The picture is like new. Yo have to clean the dust off of the the 3 lcd lenses. (I'm not sure if thay are actually called lenses)
You can get to these by entering thru the front of the TV. Yes the front. You must remove the screen. There are A LOT of screws. This screen housing covers the entire front of the tv. and you have to remove the back panel and ALL the screws on the back of the tv to get it off. The only electronics that have to be disconnected are the Speakers and the front control panel. They both have snap connectors. After you remove the entire front panel which houses the screen and expose the inside mirror you will see more screws. You must remove those as well to remove the mirror housing. DO NOT REMOVE THE MIRROR FROM THE HOUSING. Note that there is a peg that is next to a screw in thre front of the mirror housing thst you must pull the plastic housing out in that area to release it.After you remove the mirror housing you will see the 3 LCD panels or lenses. YOU DO NOT HAVE TO REMOVE ANY ELECTRONICS OR SCREWS AT THIS POINT. Use a can of compessed air to spray the dust out of this area. I used a vacume to catch the dust as it flew out in the air. Try to hold the can as upright as possible.Keep hitting it with the air until no more dust comes out. Put the tv back together. As you open up the tv you will see dust everywhere. I took the oppurtunity to clean as much as I could. The Mirror though was clean an I was afraid to touch it.
I am a Construction Salesman yet fairly handy. I have no electricle experience. This took me 2 1/2 hrs. I spent the first 45 min. trying to get to the lcd panels from the back of the tv. Don't waste your time. You can't.