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But no matter what I did, turning the current dial with the diode connected did not move the current past 0. Pushing the voltage up to 10v would get some current flowing but the beam was crap. I think the diode was cactus. Doing what you say with an LED works to a point in that I preset 2v...

Thanks DTR Anyway I think I finally blew the diode. I was making a video and for some reason, with only a tiny turn of the voltage dial the voltage jumped to 12v and the diode was no more, it isn't drawing any current anymore... I ripped it out of an HDDVD so it was less than ten bucks. I...

The PSU seems to ignore where the voltage dial is set when it's power cycled. I am completely confused, this is pretty strange. This diode is probably toast. This PSU seems to work differently to the units you are talking about. I can't seem to get say 5v at 100mA, no matter what I try...

Thanks Cyparagon I just checked the voltage with a fluke at the terminals [10v] and the voltage at the diode [10v] they match...and i can see a beam if i put my hand in front of it. I have the bogartman test load kit from ebay, can the 6 x 1N5404 diodes or 1 ohm wirewound resistor help me...

Thanks ARGlaser. I was trying that, I seen a youtube video [by DTR] posted here showing it. I follow the procedure: Turn on PSU with nothing connected Move the current knob until c.v. lights Move the voltage knob to 5v Turn the PSU off Turn current knob to 0 Short the leads then attach to...

G'day, Please, please help. I have searched the forums for the answer. Maybe I am just being thick but I cannot figure out how to get a voltage/current combination... I have an extracted DT0811 diode and a WEP PS-305D PSU [0-30V 0-5A], it has an Amps/mA switch for a more accurate readout and...

Please help me, I have the DT0811 diode and this ebay cc cv. Does someone have a primer on cc, I change the current the voltage increases, this is a new concept for me? :) What should volts and amps be when driving this diode? The cc cv "turn the lamp current" and "limit switch adjustment"...

Please help I have one of these cc cv boards and can't figure it out to drive an hddvd LD... I have a thread here: http://laserpointerforums.com/f38/have-dt0811-cant-figure-out-how-remove-final-casing-76695.html Thanks. Richard

Thanks all, OK I got the diode out and desoldered, it still appears to be working, on to the next problem... I searched the forum for answers and ended up more confused. I have purchased ebay # 150878659741 a "LED Voltage and current display LM2596 DC-DC Step Down CC-CV Adjust Power Supply"...

Thanks! Yeah thats it, I did search and that result did come up but I read the first few posts and missed any talk of the actual extraction...my bad... Cheers Richard

Hi, I would really appreciate some help here. I have a few DT0811's I got from ebay. I removed the large outer heatsink from the 3-pin diode but it still leaves a smaller more rounded enclosure to remove before it will fit in the Aixiz which I can't figure out how to get past. Please help...