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Old 09-10-2010, 01:37 PM #1
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Default spartan driver blowup

hi guys, i finally got around to destroying my 400mw spartan just klike almost everything i touch turns to shat lol .i put the batterys dirrect to these two solders




and this little box went pop



can i fix this? thanks heaps


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Old 09-10-2010, 01:46 PM #2
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Default Re: spartan driver blowup

Why did you do that?

If you're good with soldering, you may be able to replace the component. If you're not, you may be out of luck. Hopefully someone will have an idea as to what that is...

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Old 09-10-2010, 02:04 PM #3
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Default Re: spartan driver blowup

why did i do that?
because im a nutjob lol
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Old 09-10-2010, 03:07 PM #4
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Default Re: spartan driver blowup

Look like a small SM cap as its polarised, indicating its a an electroytic , but your mspaint blob hides its value.
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Old 09-10-2010, 03:35 PM #5
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Default Re: spartan driver blowup

I don't think the cap popped... the component on the opposite side of the board from the cap does have a burned-out looking hole in it, though...
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Old 09-10-2010, 03:35 PM #6
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Default Re: spartan driver blowup

It's a tantalum capacitor directly at the output.

You did not connect the batteries directly to only that. You connected them to the laser diode directly too.

You should start praying it survived your little experiment.
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Old 09-13-2010, 01:40 PM #7
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Default Re: spartan driver blowup

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Old 09-13-2010, 02:40 PM #8
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Default Re: spartan driver blowup

What did that poor capacitor ever do to you ?!




Could you solder on a replacement ? In hopes that it's the only thing destroyed , though...
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Old 09-13-2010, 03:02 PM #9
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Default Re: spartan driver blowup

You could replace it if you can solder well. You just have to hope you didn't blow out the ic or the diode
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Old 09-13-2010, 03:29 PM #10
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Default Re: spartan driver blowup

I'm not sure what to say about this one........ FAIL?? Replace cap and hope for the best.
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Old 09-26-2010, 04:02 PM #11
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Default Re: spartan driver blowup

If you want to send it to me I will replace the cap for a nominal fee.
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Old 09-26-2010, 04:39 PM #12
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Default Re: spartan driver blowup

You will need to replace the Cap and I'm quite sure...
the Laser Diode...
You put the full potential of your batteries across the LD
and Tantalum capacitor... The batteries had enough current
to cook your cap to carbon...
There may be other parts on the Driver that could also be
damaged as you applied power to the driver's OUTPUT...

Just changing the cap will not resurrect your LD...


Jerry
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Old 09-26-2010, 07:45 PM #13
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Default Re: spartan driver blowup

Quote:
Originally Posted by lasersbee View Post
You will need to replace the Cap and I'm quite sure...
the Laser Diode...
You put the full potential of your batteries across the LD
and Tantalum capacitor... The batteries had enough current
to cook your cap to carbon...
There may be other parts on the Driver that could also be
damaged as you applied power to the driver's OUTPUT...

Just changing the cap will not resurrect your LD...


Jerry
My thought exactly, but we do not know the polarity of applied power, if the power was reversed , it could still fry capacitor but perhaps , just *perhaps* the diode got away.

It's still worth a shot at repairs, if you ask me.
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