03-13-2014, 04:40 PM
SUCCESS!!! 
Upon arriving home from work, I opened up the CARE packages from Digi-Key and Pinball Life. I went to the basement workbench, and installed one of the bayonet base LEDs with flexible leads in place of the #47 lamp behind the tuning meter. I also temporarily connected an LED to the wires which formerly connected to the incandescent lamp.
Yes - the LED Stereo Beacon does work!
But it needs some fine-tuning. I am reading only 0.5V across the LED, and while it is working, it is dim. It seems to me that a slightly smaller dropping resistor is in order. I'll measure the supply voltage and make sure it is 23V before proceeding.
Now, about the LED connected to a bayonet base via flexible leads - Yes, it illuminates the tuning meter very well indeed. A better choice might have been yellow, though, to more closely approximate the yellowish glow of the original #47. But white does look great, also.
Photos later.
Upon arriving home from work, I opened up the CARE packages from Digi-Key and Pinball Life. I went to the basement workbench, and installed one of the bayonet base LEDs with flexible leads in place of the #47 lamp behind the tuning meter. I also temporarily connected an LED to the wires which formerly connected to the incandescent lamp.
Yes - the LED Stereo Beacon does work!
But it needs some fine-tuning. I am reading only 0.5V across the LED, and while it is working, it is dim. It seems to me that a slightly smaller dropping resistor is in order. I'll measure the supply voltage and make sure it is 23V before proceeding.
Now, about the LED connected to a bayonet base via flexible leads - Yes, it illuminates the tuning meter very well indeed. A better choice might have been yellow, though, to more closely approximate the yellowish glow of the original #47. But white does look great, also.
Photos later.
--
Ron Ramirez
Ferdinand IN
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