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Thread: PC 2.0 not bright enough

  1. #1
    Youngling Jordandau's Avatar
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    Default PC 2.0 not bright enough

    I have a pc 2.0 with 14650 battery pack I made with cells from the shop. I'm running a ledengin RGBW with blue and green parallel and white for FOC.
    When I first got it all together it worked perfect, no problems, the brightness I'm used to. Suddenly the main (B & G) led got really dark and dull.
    The white for FOC still works perfectly. So I opened it up, cleaned up the wiring and noticed as I screwed the blade holder on I clipped one of the Main LED leads.
    I redid those and made sure that's not the problem again. Now I have it all good to go, clean, neat, PVC sleeve preventing grounds, the board is outside the hilt...

    And it's still dull.

    I rigged up 3 AAAs and briefly touched them to the star itself and those made it light up normally so it's not the LED.
    I multimetered the board while it was on, and it's only spitting out 2.7 volts from the board LED output with the ledengin soldered in place and running.
    I have the config set to 2 amps, so each die should be getting 1A if they're parallel right? I have my cs 5 point something with RGGB running parallel and set to the same, it's fine.
    Shouldn't the board auto sense voltage somewhere around 3 or 3.5V with those particular dies running? Any ideas?

  2. #2

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    Sounds like the led river on the board is blown. Contact forum member Zook and he can fix it for you. It happens to everybody, I did the same thing myself recently.

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  3. #3
    Youngling Jordandau's Avatar
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    Aw bummer. Is it under warranty or anything?

  4. #4

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    Quote Originally Posted by Jordandau View Post
    Aw bummer. Is it under warranty or anything?
    I'm going to guess probably not, because you pinched the wired that caused the short.
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    "Yeah, yeah, I've heard it all before... you want blindingly bright, super loud, running 1138 blinkies off of the cheapest sound card you can find AND you want all of it to run on a battery the size of a dime, and run for a very, VERY long time. That one cracks me up every time..."
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  5. #5

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    Zook's prices are much better than a new board, all things considered. It sucks, but, there you have it.

  6. #6

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    I replied to your email. Sorry for the trouble. When you pinch those wires its shorts out the LED driver and blows the driver chip. Its an easy mistake to happen but I can take care of it.
    Last edited by Zook; 12-06-2012 at 03:08 PM.
    MH on FX-Forums

  7. #7
    Youngling Jordandau's Avatar
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    For future reference, he replied very quickly, and gave me a very fair quote on price and time. I sent my board off and I'll update you all with how it went.

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