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Old 04-25-2009, 01:26 PM #1
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Default troubleshooting help...

Hello-

Been lurking here a long time..Rounded up all the goodies to make a blue ray build using a cree host and new flexdrive. Wired it as shown case negitive. Read all the tutorials....no go....I am wondering if I got some solder where it doesn't belong on the flexdrive (damn that thing is small!)...

Any hints or advice on how I can trouble shoot this? I was careful to not keep the iron on anything too long....Not sure what to do next...Hope some of you pros can help me out...

Thanks,

Chris


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Old 04-25-2009, 03:33 PM #2
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Default Re: troubleshooting help...

Put a 1ohm resistor between the back of the battery and the cree case, measure across it with a DVM set to read mv to see if driver is drawing current to start with.

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Old 04-25-2009, 05:47 PM #3
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Default Re: troubleshooting help...

Thanks, I will give that a try.....
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Old 04-25-2009, 06:33 PM #4
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Default Re: troubleshooting help...

If its one of the new flexdrives you easily could have messed something up on there. I've been soldering about 5 hours a week for 1.5 years and killed 2 of the new flexdrives before I got one that worked....

you should use a test load to make sure the driver is putting out the right amount of current and measure it with a multimeter.

Also since you're wanting to make your build with case negative, I assume you remembered to connect the case and negative pin together on the diode yes?

thanks,
Kendall
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Old 04-25-2009, 07:58 PM #5
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Default Re: troubleshooting help...

Yeah, I think I probably got a tiny bit of solder where I shouldn't have....I bent the case neg pin over and soldered it to the neg pin, so I don't think that is the problem.. Current was preset when I ordered it.

If I got some solder in the wrong place on the flexdrive (yes, new one..) am I out of luck or can it be fixed???

Thanks again for your input...

Chris
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Old 04-26-2009, 01:40 PM #6
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Default Re: troubleshooting help...

Get out your multimeter and see if the outputs or inputs are soldered together or not (check for no resistance between them). You might want to ask Dr. Lava for assistance too, at least to find out what points to test.
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