Question about Radio Communications
The led does not work, I changed it out and still doesn't work. What could be wrong?
All LEDs are polarity sensitive since they are unidirectional (anode & cathode). If the LED was connected the other way around, then even with a known good new LED, it won't light up. At other times, it is possible that the LED has a limiting resistor and/or another diode in series with its supply line. You need to check if this is also open.
Good luck and kind regards.
Posted on Dec 12, 2007
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Posted on Jan 02, 2017
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