I have just opened my KDF 50 2000, and hell that was really hard. i got alcohol between the plates that made a mess of the tv. but i opened it and took the plates out and cleaned them up and now my tv is working again :)
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First if the mirror which hangs at a angle facing the screens comes apart it can come forward and smash the inner screen.
The best way to proceed is remove the entire front screen frame:
remove speaker grill on front under the screen (if cloth it should pull out in one piece (a few are two piece).
With it removed look under the bottom front edge of the screen unit--left to right there are several identical screws and you have to remove those.
If the front controls (vary by cabinet style) are in the bottom front of the screen unit there will be wires from them hanging down--should be an inspection plate dead center behind where the grill was.
follow the wires from the front control board down with the inspection plate removed and locate the one or two inline plugs and disconnect them (they pull apart and are marked)
With the screws at bottom of screen frame removed and the keyboard free pull out the frame from bottom and slid up about 4-6 inches the entire frame with the screens still in it.
Do not when you do this twist the frame as you can pop the screens right out.
Set the frame and screens to one side making sure not against the screens and avoid touching the inside screen inside the frame.
You should now be able to see the mirror clearly, be careful if cracked as when you release the screws that hold it in it may come apart and use gloves---broken mirrors are very sharp.
Mirror should if you see the plastic and wood slots for it not be too hard to remove and replace. Vac out any small glass as light from the set inside can reflect onto the new mirror or even the inside of the inner screen and be seen in the picture.
You almost certainly are going to have to get the mirror from Mitsubishi---price it with shipping but since its a 55 inch mirror almost any mitsubishi mirror that size will work perfectly--some shops save them....hint.
Most of those mirrors were at or over 100 dollars and a few sites on the net sell replacements in case Mitsubishi is too high.
There are two screws that hold the spealer panel on ( they have plastic plugs covering the two screws. Then the screen frame will have some screws along its bottom edge remove those then grab the screen frame on each side and slide upwards to disengage the screen Be careful to unplkug the wires from the screen frame before you remove the screen frame completely so as to not damage the wires.
sitting on the bike it's on the left side front bottom of the motor between the frame rails coming out the side of the bottom towards the left. It comes out the left side front bottom inside the frame rail. An open end or closed end wrench needs to be used as theirs not enough room for a scocket and handle. won't fit. It's either 19 or 17 MM.
I suppose that the required quality of the frame repair depends partly on how much you plan to stress the frame before you have the opportunity to do a complete repair. I suggest you take it easy on the truck (don't go wheeling) until the frame is fully repaired and reinforced.
Remove the lower speaker panel. Then you will see a series of screws along the bottom edge of the screen frame. remove those screws and then grasp the screen frame and slide it up slightly to disengage the upper clips then lift the screen assembly away enough to unplug the wire and then the screens can be accessed.
Most of the Hitachi's have to be removed from the front; remove the speaker grill assembly(it usually pulls off and is held in place with plastic pegs. Once it is removed locate at the bottom edge of the screen; remove several screws(left to right) that secure it. Most of these frames are snapped in--held in place and you need to start on the lower left and then right side to pull them free---some are in very tight---take your time and pull from bottom first and then sides--a few also have a notch on top which means when the bottom and sides are free you have to lift the frame up and out a bit to get the entire unit free. They go back the same way(top edge first) and if you find the inside of the frame has some metal posts you need to tap the frame back once it is in position.
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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.