Last week my kids were running and one of them pushed the front plastic shield which in turn pushed my Lenticular screen out of its holder and into the television.
Neither screen is broke and i still have a picture, just not as sharp!
Can I fix it?
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liquid is never good on those screens- there are 3 layers to the screen, from inside out, a fresnel screen (etched circle pattern), a lenticular screen (ridge lines top to bottom), and a protective screen ( "Diamond Shield" tinted plexiglass).
the fluid will wick up btween these layers, turn black, then very very slowly recede leaving a waterline mark. It can take months for it to become un-noticeable.
cleaning is possible, but beware, any type of cleaning fluid or spray is going to simulate the exact same problem but to a larger area. also introducing dust, lint or hair into the layers when separated is almost impossible to avoid.
these pieces, especially the lenticular screen are extremely fragile nylon plastic and is apt to split under its own weight when handling, so beware the project you are about to get involved in...considering the large size.
but it can be done. Remove all screws around the screen frame from the back of TV and the lower sides. There will be a wiring harness that goes to front buttons- disconnect it. The whole assembly will come off the front of the TV. Lay it on the floor face down. Remove the screws in around the inside of the screen. The screens are now ready to lift out, one at a time. IT IS IMPORTANT to not attempt this by yourself. The screen are fragile and large and scratch so easily which appear as a white opaque area when reassembled. Have a helper. Wear cotton gloves while handling as finger prints will be noticeable after you reassemble. ALSO IMPORTANT- these screen are oriented front and back...in other words they go together in a certain direction...on each screen layer there is a small sticker on its outer edge. Make note of its orientation and reassemble accordingly. Clean with a cotton cloth and very very little "plastic glass gleaner" (if needed only!). WIPE EXTREMELY GENTLY in the direction of the grooves on each screen layer- much like cleaning an old vinyl record. The lenticular screen is the biggest worry as rubbing on the grooved side is so likely to cause damage. Perhaps rubbing should be avoided if possible. Let them lay out and dry before reassembling. A bottle of compressed air is good to remove debris when layering them back together...a dust free environment is recommended. Reassembly and installation is just the reverse of dis assembly- remember the wiring harness connector!
800-553-7278 CALL MITSUBISHI PARTS
A WS-55413 LENTICULAR SCREEN IS $171.10 + DELIVERY BUT THE DIAMOND SHIELD ISNT NEEDED THEY TELL ME AND IT WAS DISCONTINUED ANYWAYS BUT YOUR PART IS PROBABLY AVAILABLE THERE.
Yes, you can still get them from the Factory. I just checked and Mit's has all items in stock.
The SCREEN- LENTICULAR IS; 491P103030: $171.10. The LENS-FRENSEL IS; 491P104030: $212.80. The Diamond Shield IS; 760D639020: $77.90.
Unless you have small children it's better to just remove the diamond shield and throw it away. Less glare on the screen that way. But if you must have a new one go to a local glass shop and have a piece of plexiglass cut to the dimensions of the old one. We do that all the time and it works fine. Usually runs around $60.00.
You can find a new OEM Hitachi replacement lenticular screen and Fresnal screen (availble together as the screen assembly) for a model # 55VS69A from a major Hitachi distributor at the following links:
The other site I work for as a repair tech has the screen assembly that youre looking for. we just parted out that same model last week. go to this link and leave them an email indicating your model number and what your needing. They respond promptly. Heres the link. http://servicemanuals.vstore.ca/
Yes the site I work for just parted one out today they just listed it on the website today. It comes complete with lenticular screen and diamond shield. Its excellent condition It sell for 125.00 and that includes shipping and handling. heres the link. http://servicemanuals.vstore.ca/ Its listed under mitsubishi parts.
WD-57731 & WD-65731 Front Disassembly 57” & 65” Models Screen Frame Removal 1) Pull off the Speaker Grill. 2) Remove all the screws (b) from the upper rear cover (except one at an upper corner to support the frame). 3) Remove 10 screws (a) from the front of the screen frame. 4) Remove the remaining ***** (b) (supporting the frame). Carefully pull the Screen Frame from the TV and disconnect the ES and LE connectors. 57” & 65” Models Screens Removal from Frame 1) From the rear of the Screen Frame remove 20 screws (a) from the top and bottom rails 2) Remove 6 screws (b) from each side rail. 3) Carefully lift the Screen assembly from the Frame.
MODEL: WD-52631 / WD-57731 / WD-65731 Screen Replacement CAUTION: Wear gloves when handling the Lenticular Screen and Fresnel Lens. This prevents cuts and finger prints. Do not place Fresnel Lens in the sun. This may cause fire and heat related injuries. Lenticular Screen and Fresnel Lens Replacement 1) Apply LENS-TAPE along the rear top edge of the Lenticular Screen. 2) Place the Fresnel Lens on top of the Lenticular Screen, and apply pressure along the top edge. 3) Place the screens in the screen frame and reinstall the cushions, top, bottom and side rails. NOTE: The Lenticular Screen label must face the front and the Fresnel Lens label face the rear. 4) Reverse the Screen Removal Procedure and insert the screens in the Bezel. Lenticular Screen and Fresnel Lens Removal 1) Remove the top, bottom and side HOLDER-SCREEN rails and their cushions from the Screen Frame. 2) Lift the screens as a single unit from the frame. 2. Separate the Lenticular Screen and Fresnel Lens. Note: When separating the Lenticular Screen from the Fresnel Lens, use caution while prying the Screen and Lens apart. Use a slot type ***** driver, and remove the pressure sensitive double sided tape.
That front screen is what Mitsubshi calls the Diamond shield. Every set is differant but easy to do. Look carefully at the top and the bottom or the lrft and the right, fr clips that run the entire lenth of the top and the bottom or the entire lenth or the right or the left side. They bsimply snap into place. Mitsubishi says to gently insert a small screwdriverbetween the diamond shield and one end of each on of the two clips and gently pull off the clip. Good Luck