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Re: NEED TO FIND DEFLECTOR CIRCUT SCHEMATIC
We are available for conference Today and Everyday. We
will assist you in repairing your set. The part you need are: (1) screen Part # 240853 (2) Mirror Part # 242753 Please join
in conference for price and where available
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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.
This may be a model that has two mirrors. Mitsubishi could tell you if this is the case.
Some idiot had the bright idea to have optical unit shine picture into tiny mirror which puts it into large mirror in back; problem is tiny mirror if there is at bottom and facing up, dust or dirt get on it and picture brightness will diminish up to 70% or more.
If model you own does have two mirrors, the front of the set with the screens will have to be removed to clean it, not real hard and takes 15 minutes.
If you can confirm it has two mirrors I can tell you step by step how to remove screen unit and resolve problem. Usually if tiny mirror dirty it will happen over time, picture will gradually get darker and dull looking.
Let me know if want instructions, the set either has two mirrors or it does not.
The mirrors are specific to the unit as they have slight curves to bend the picture correctly so it aligns to the screen properly. To ensure you get the correct picture for your unit, you would have to order the manufactures original replacement part. You can order an new OEM replacement mirror for this model (53SBX59B) from a major Hitachi parts distributor at the link below:
To get a new remote call a local TV service company or you can order directly from the manufacture. The cloudiness of your colors are caused by possibility of two things or both: 1) The mirror and lenses inside your TV need cleaning (use window cleaner & soft cloth) spray liquid onto cloth, 2) The fluid in picture tubes need to replaced. To replace fluid (ethylene glycol) take tubes out of unit, drain fluid, clean fluid chamber, add new fluid. How you can tell if fluid is cloudy? Take off screen assembly look into each light (red, green, blue) the picture should be clear. The red tube, light, is normally okay, so use as referance.
Some screens have labels, so place them so the labels are upright and tward the front of the TV.
The outside screen is the lenticular screen. The black vertical lined side is outside. The fresnel screen has very fine circular lines in it. You can find them by feeling them. This goes against the lenticular back side of the screen. the fesnel has a flat side that is the back. It will be tward the mirror. If the mirror has two shiny sides, then it should be placed with the mirror side out. You can tell this by placing your finger tip on the mirror. If the finger nail meets a fingernail, then this is the mirrored side. Install this side tward the front.
Try to keep dust from between the screens. Check by looking through the screens before you put the in the frame. Then check them again after you put them in the frame.
Wear latex gloves to keep finger prints away.
Clean back of screen assembly and install the screen on the TV.