Introduction
After several years, the clock projector of my RRM320P was missing some segments.
Suspecting that issue could be related to some poor electrical contact I decided to try to repair it
What you need
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After removing the 2 screws on the bottom, carefully open the bottom frame, see location of the plastic snaps snaps
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Removes the back panel, taking care of the other plastic snaps
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The projector and its optics is shown in the blue square
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cables are tied together with a simple ribbon, in general the inner construction seems very cheap
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The Projector is made of three parts:
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A red LED
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The display with its controller
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the lens with focus mechanics
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All parts are kept by tiny screws that you have to remove
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Take extra caution when handling the display, the flat cable is very weak and can be damaged by improper handling
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Carefully remove display from its supporting frame
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The issue should be ralated to flat cable connecting display to controller
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Verify that moving the flat the display returns to work
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put a stiffner on controller side and close to the display
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if everything is working, reassemble the clock by doing the steps in reverse order
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