View Full Version : LED removal
blueonblack
10-07-2008, 03:11 AM
I am trying to mod a fan controller to fit in a space it was never intended to fit into. This particular controller has WAY too many LED's on it. My question is, can I simply cut the LED's out? This may depend on the circuit and how they are wired into it (i.e. cutting out the LED would break the circuit something else is on). If that's the case, can I cut the LED out and solder the leads together to maintain the circuit? Is there a resistance factor to be concerned with? I realize that they are diodes, but I'm hoping their only function in the circuit is to produce light and their removal won't alter the circuit. Any help would be appreciated thanks.
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Eclecticos
10-07-2008, 04:03 AM
More than likely if you remove one of the LEDs they will all go out. Kinda like a strand of Christmas lights.
Simply soldering the connection back together will probably result in blown leds.
You will need to check and see if each LED has its own resistor.
If they do not, you will have to replace the resistor.
I would suggest using the LED calculator (http://led.linear1.org/led.wiz)
to determine which resistor you will need.
blueonblack
10-07-2008, 05:02 AM
Sounds good so far. That's what I am hoping to do, kill all ten of them completely without otherwise altering the circuits. They are all soldered onto a PCB with three rheostats, two on/off switches and several connections on the back of the board. There are a couple that are very tall, I guess I'll try snipping one of those leads and see what happens. If it kills something I don't want it to, I can solder the lead back together.
Thanks for the info!
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