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Old 09-15-2007, 10:56 PM #1
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Default DEAD GB DIODE?? MAYBE NOT!

if your using the Dorcy JR. mod and get to a point where your laser just stops working almost instantly or goes from bright to dim in the blink of an eye, remember one very important thing. *The dorcy uses a circuit that continues to put out a consistent output until the battery is dead. *I mean dead. *So when your laser goes *poof* don't automatically assume that the diode is dead and time to throw in a new Diode. *

I was happily burning away at a peice of electrical tape when like has always happened when my laser diode dies it went to 1mw and you get that sinking feeling in your gut. *So, I do what I've always done, and harvest another diode and pop out the old. *Then I put it all back together and it's still not working. *Now i'm thinking to myself. *Self, did you go to slow on the soldering portion of this repair and fry the new diode with heat? *or maybe it's shorted when I resoldered everything back together. *So I grab my 2AAA battery holder and test it and WOW. *LIFE!!

So if you think it's dead, take 1 minute out of your rampage and self cursing and change the battery first. *

I was able to pull the supposedly dead diode out of the trash, remove the can (since I broke the glass removing it) and get it to work again full force.


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Old 09-16-2007, 04:05 AM #2
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Default Re: DEAD GB DIODE?? MAYBE NOT!

for what it's worth. The Dorcy Jr. circuit is putting out a consistent 350ma-365ma
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Old 09-16-2007, 04:12 AM #3
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Default Re: DEAD GB DIODE?? MAYBE NOT!

Kenom --

Good info here -- There's been many posts about boost circuits which won't "take off" with low cells --especcially the old Elly.

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Old 09-17-2007, 10:31 AM #4
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Default Re: DEAD GB DIODE?? MAYBE NOT!

Makes me want to test the last diode I took out of the Dorcy mod... No clue which bin it's in though... ;D

Thanx for sharing;
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