Sunday, March 27, 2011

Bulb replacement

At http://www.movie2video.com/ the projection led was designed to fit into the old lamp fitting, so the original adjustment can be used for the new led. This seems like a good idea. At movie2video the lamp was connected with two wires, but the lamp fitting is more complex for my projector.


To fabricate the led lamp first I broke and removed the glass from an original bulb, to leave only the bulbs metal fitting. Then I cut some sheet aluminum to fit into the original fitting, this was shaped to fit inside the projector's bulb compartment. The aluminum sheet also acts as a heat sink for the led. The new led bulb fits in the projector, but still needs a little fine tuning to ensure the led fully illuminates the frame.

1 comment: