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On Sun, 11 Apr 2004 23:11:21 -0400, Dan wrote:
In article , starman wrote: Remember that you will have to add a series resistor to limit the current in each LED, otherwise they won't last long. Use Ohms law to calculate the resistor value based on the source voltage and the voltage/current ratings of the LED. I replaced the fifty-six (no typo!) green LED's in my R8B display with just four bright white ones. The display now looks blue-green with white charecters. The R8 was designed before there were bright LED's, so Drake had to use an array of many dozens of less bright ones to backlight the LCD display. I *think* I might have found some original lamps for a decent price. I have emailed them, and will report my findings. Dan Drake R8, Radio Shack DX-440, Grundig S650, S700, S800, YB400 Tecsun PL-230 (YB550PE), Kaito KA1102 Hallicraters S-120 (1962) Zenith black dial 5 tube Tombstone (1937) E. H. Scott 23 tube Imperial Allwave in Tasman cabinet (1936) You can purchase replacement bulbs at: BulbDirect.com Part Number: 0084-WI Description: 84 01-I2 EIKO 6.3v .04A I've put them in. They work. $.85 a piece |
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