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  • Replacement flash circuit board

    I first want to thank Tretee from the other forum for his help troubleshooting and everyone who has worked on ways to refurbish GC2 flashes. When I saw that the superflash price was way more than I would want to pay when my flash eventually burns out, I went ahead and designed my own circuit board since I didn't have a spare. I followed goatbarn instructions for taking apart the housing which are here.
    As I posted awhile back the flash module is really easy to disassemble with a heat gun and a utility knife. I finally got around to replacing the xenon flash


    Once you get the case apart once, it is easy to swap out circuit boards as many times as you want. I'm not sure how long my circuit board assembly will last, but I have the 3.5.1 firmware with the flash counter so I can at least track it. I played a round this evening and did not have a single missed shot. To be totally upfront, I'm not trying to claim that this is as good as the superflash. I am using the same $6 tube ($13 for shipping it) that is referenced in the thread above, plus a trigger coil off aliexpress. All I am claiming is that the performance should be comparable to refurbishing one of your old flashes according to the tutorial and that this would be easier if you don't feel comfortable soldering.

    Is a circuit board assembly like this something that other people here would be interested in? Replacing it still has some DIY element of getting the case apart, but at least you wouldn't have to wait several weeks for the xenon tubes to come from overseas or do any soldering. If there is enough interest, I would go ahead and get a run of circuit boards made and order a larger batch of components to save on shipping costs. A pricing structure that I was thinking of would be something like this.

    Assembled replacement circuit board: one for $40, two for $75, three for $100 (including shipping to the US)
    Opening old flash case: You pay for shipping it to me plus $10 fee for opening it

    So if you didn't want to do anything, you would send me your burnt out flash and $50 and I would open the case and replace the circuit board.

    It took about 3 weeks last time for me to get the flash tubes, so these could potentially be ready to ship in about a month.

  • #91
    The newer flash should last for hopes of 1,000,000 flashes i heard and the guy who designed this on the other software and forum was very generous to share with people on TGC and this forum. Great job andygg1986 on bringing it to GSF.

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    • #92
      Great stuff, this is fantastic.
      please do give me a shout as I will definitely order a couple.
      thanks

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      • #93
        Wow, that's awesome. I'm curious, will this work with GC2s that have the new superflash installed or only with the older flash versions ?

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      • #94
        How long do people figure a super flash from foresight should last?

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        • andygg1986
          andygg1986 commented
          Editing a comment
          Their original flashes were supposedly rated for 30-40k shots and they claim the superflash lasts 6x longer, so about 200k shots. At 100 shots per day that's 5.5 years.

      • #95
        Thank you, I've been wondering that since I bought a used gc2.

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        • #96
          I have started a new topic for the new flash design. Please see it for all relevant information and ask any questions there.
          I have a batch of flashes assembled, tested, and ready to go. I have worked with Tretee on the JNPG forum on this design. He is a very skilled engineer with

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          • #97
            Thank you guy for your thread here. And also sorry for my late reply. I found this one much interesting https://www.wellpcb.com/pcb-assembly-capabilities.html Hope this could be helpful for you too.

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            • andygg1986
              andygg1986 commented
              Editing a comment
              Thanks for the info on the PCB place. I assemble them myself because there aren't too many components, but their prices on bare PCBs looks competitive, especially for quick turn.

          • #98
            ill be in for 3 also

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            • #99
              Having come late to the party, not sure if this thread is still going. I have replaced the bulbs on two boards, one works, the other doesn't. Going by this thread I will be monitoring how long the working board lasts, as it seems the trigger coils fail at some point. The board that doesn't work I suspect the trigger coil died and now considering replacing it.

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