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Sony G90 C-Element Change

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16. Finally, make the border of the C-Element as clean and flat as possible by removing any remaining rubber bits:

Ensure that the convex part of the new C-Element is completely clean of any dust or debris!


17. Back on the LC housing assembly... Remove the 4 screws from the annular (ring) bezel:



18. Remove the annular bezel:



19. With a small flat screw driver, use the four small holes to pull-up the Sony C-Element from the LC housing (do it in circular manner). Take care of the annular rubber joint that may remain attached to the C-Element while you pull it out!:



20. Here is a comparison view of the Sony stock and new Marquee green colour:



After checking that the 3mm thick annular rubber joint is well in place, place the new Marquee C-Element immediately on the LC housing and re-attach the annular bezel with its 4 screws. Screw them 1 turn at a time in circular manner. Ensure that these are well secured.

Tilt the tube + LC housing assembly horizontally and leave it in this position for 12 hours so this can let any glycol drops spill-out from the C-Element joint on to your work area. (Place some paper towels underneath to catch these drips as glycol is highly corrosive).

After checking that all is okay, fill the LC housing tank with the glycol you extracted previously. Make sure to tilt the assembly periodically so the air bubbles all rise from the tube area to the tank. Place the tube and LC housing back in the projector, reattach the lens, reconnect all the coils wires, and place the CG element back in place. Close the projector.

That's all.

Enjoy the better colour of your G90!

John

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