Members crazychu Posted July 2, 2008 Members Share Posted July 2, 2008 I want to change the light in my OCD to a sexy BLUE LED light.. same goes with my BOSS pedals.. anyone know any resources out there with guides and such? Link to comment Share on other sites More sharing options...
Members dap99 Posted July 2, 2008 Members Share Posted July 2, 2008 I want to change the light in my OCD to a sexy BLUE LED light.. same goes with my BOSS pedals.. anyone know any resources out there with guides and such?[/quote it should be as easy as looking at the existing LED, find the side that has a flat spot on it and remember which side that is. The flat spot is the Cathode - or negative side. The Anodode is the side w/ the longer leg (on a new LED). Desolder and remove the LED, and put the new LED in the spot oriented the same way. Link to comment Share on other sites More sharing options...
Members L_Z_nut Posted July 2, 2008 Members Share Posted July 2, 2008 If you can't figure out which one is pos and neg on the existing LED and PCB... http://acept.asu.edu/courses/phs110/expmts/exp13a.html The negative usually has the bigger tip inside the actual bulb. If you google image search LED it'll help as well. Link to comment Share on other sites More sharing options...
Members dap99 Posted July 3, 2008 Members Share Posted July 3, 2008 Link to comment Share on other sites More sharing options...
Members RoboPimp Posted July 3, 2008 Members Share Posted July 3, 2008 lol I have that pic hanging on the wall in my little basement workshop. Link to comment Share on other sites More sharing options...
Members dap99 Posted July 3, 2008 Members Share Posted July 3, 2008 lol I have that pic hanging on the wall in my little basement workshop. I'm so retarded that I've looked that pic up a million times and still haven't printed it out! Anode, Cathode... I become dyslexic every friggin' time wire one of them up :slapforehead: Link to comment Share on other sites More sharing options...
Members cdawzrd Posted July 3, 2008 Members Share Posted July 3, 2008 boss pedals use 3mm leds IIRC. Most other commercial pedals do as well. Most handmade pedals use 5mm, although some use 8mm. Link to comment Share on other sites More sharing options...
Members BgUnited Posted July 3, 2008 Members Share Posted July 3, 2008 My friends danelectro fab distortions blue light is soo bright. It sometimes pisses me off Link to comment Share on other sites More sharing options...
Members Belt Posted July 3, 2008 Members Share Posted July 3, 2008 be careful in your desoldering Link to comment Share on other sites More sharing options...
Members paulintheuk Posted July 3, 2008 Members Share Posted July 3, 2008 I did the Monte Allums Opto mod on my CS-3 and the white LED is extremely cool but VERY damn bright! Might be an idea to swop it out to a Blue one Link to comment Share on other sites More sharing options...
Members cloudscapes Posted July 3, 2008 Members Share Posted July 3, 2008 I'm so retarded that I've looked that pic up a million times and still haven't printed it out! Anode, Cathode... I become dyslexic every friggin' time wire one of them up :slapforehead: I completelly forget about "real" naming. if you ask me in fivem inutes which is cathode I couldn't tell you. all I need to remember is "side with big thing inside is ground" Link to comment Share on other sites More sharing options...
Members Roobin Posted July 3, 2008 Members Share Posted July 3, 2008 If the LED is too bright stick a small resistor in series with one of the legs (start at 470 ohms). Still too bright - increase resistance. Link to comment Share on other sites More sharing options...
Members Belt Posted July 3, 2008 Members Share Posted July 3, 2008 I did the Monte Allums Opto mod on my CS-3 and the white LED is extremely cool but VERY damn bright! Might be an idea to swop it out to a Blue one get a diffused LED not a clear one. that'll make it seem not as bright. Link to comment Share on other sites More sharing options...
Members melx Posted July 3, 2008 Members Share Posted July 3, 2008 same goes with my BOSS pedals.. definatly worth doing, Boss pedals with blue led's go for double on ebay. Link to comment Share on other sites More sharing options...
Members Kayzer Posted July 3, 2008 Members Share Posted July 3, 2008 maybe somebody has an idea what Leds i need for a DL-4 or FM-4 and how complicated is to change them??? Link to comment Share on other sites More sharing options...
Members Belt Posted July 3, 2008 Members Share Posted July 3, 2008 maybe somebody has an idea what Leds i need for a DL-4 or FM-4 and how complicated is to change them??? I hadn't taken my MM4 or DL4 apart when I had them. I really can't say. But LED's are easy to change. It depends on how my stuff has to be moved first. Some are kinda hard to get to. Link to comment Share on other sites More sharing options...
Members Kayzer Posted July 3, 2008 Members Share Posted July 3, 2008 Purple leds on my FM-4 would be so schweet!!! Link to comment Share on other sites More sharing options...
Members bisticles Posted July 3, 2008 Members Share Posted July 3, 2008 Be careful changing the stock LEDs from pedals with different colors, though, because the change in wavelength can cause unnatural oscillations in the pedal's circuitry. Most modern pedals have reverse-backed diodes to sort of absorb these fluctuations, but the more vintage and hand-made point-to-point boutique pedals can suffer from an LED that clashes with the original spec. Link to comment Share on other sites More sharing options...
Members RoboPimp Posted July 3, 2008 Members Share Posted July 3, 2008 here's the simple way to change the color of your LED Link to comment Share on other sites More sharing options...
Members cloudscapes Posted July 3, 2008 Members Share Posted July 3, 2008 Be careful changing the stock LEDs from pedals with different colors, though, because the change in wavelength can cause unnatural oscillations in the pedal's circuitry. Most modern pedals have reverse-backed diodes to sort of absorb these fluctuations, but the more vintage and hand-made point-to-point boutique pedals can suffer from an LED that clashes with the original spec. +1 especially if yorue going from a red or green led to a white, purple or blue led, which are generally much higher power. this will affect things like fuxxes, boosts, distortions and others. it wont effect types of pedals that are more DSP or digital-based. Link to comment Share on other sites More sharing options...
Members MakuseruSukotto Posted July 3, 2008 Members Share Posted July 3, 2008 maybe somebody has an idea what Leds i need for a DL-4 or FM-4 and how complicated is to change them??? I dunno about that, they are suspended above the PCB by little plastic poles. But you should be able to desolder them and just place a new one in there, just make sure the legs are long enough to go through them. Link to comment Share on other sites More sharing options...
Members Roobin Posted July 3, 2008 Members Share Posted July 3, 2008 Be careful changing the stock LEDs from pedals with different colors, though, because the change in wavelength can cause unnatural oscillations in the pedal's circuitry. Most modern pedals have reverse-backed diodes to sort of absorb these fluctuations, but the more vintage and hand-made point-to-point boutique pedals can suffer from an LED that clashes with the original spec. How do the LEDs create oscillations? I thought that since they run of DC, and are diodes, they don't create oscillations? Also, how would you calculate what wavelength a LED should be then? Link to comment Share on other sites More sharing options...
Members RoboPimp Posted July 3, 2008 Members Share Posted July 3, 2008 +1especially if yorue going from a red or green led to a white, purple or blue led, which are generally much higher power. this will affect things like fuxxes, boosts, distortions and others. it wont effect types of pedals that are more DSP or digital-based. and don't forget, paying so much attention to the LED will cause the other components get jealous and start to make bad tone mojofication buildups coagulate the chakra flow Link to comment Share on other sites More sharing options...
Members RoboPimp Posted July 3, 2008 Members Share Posted July 3, 2008 How do the LEDs create oscillations? I thought that since they run of DC, and are diodes, they don't create oscillations? Also, how would you calculate what wavelength a LED should be then? wave hello to it and when it waves back break out your calipers. Unless it's a rude LED and ignores you. Link to comment Share on other sites More sharing options...
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