Help modifying broken DX bike light or shall I return.-
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  1. #1

    Join Date
    Sep 2008

    Help modifying broken DX bike light or shall I return.

    I received a Cheap Dx bike light today and it broke a few minutes after switching on.
    First it wouldn't switch between modes and then the led would only come on at very low power. I have taken the dx light to bits and it looks like the driver has failed as if I conenct 3.6 volts directly to the led it lights up as normal and is very bright. One thing I did notice before it failed was that the light wasn't green but was more warm white as I prefer on my q5 fenix torches.

    I have followed trouts instructions but without being too forecful could not work out how to remove the glued in led heat sink and also how to remove the copper driver heatsink.

    2 things I also ordered when buying this light was a DX P7 unknown bin which has had good reviews and some thermal paste.

    Rather than return it and wait for a replacement I would like to replace the current driver with a new more reliable driver that may even give a few more lumens. Has anyone actually yet modified the driver and if so how did they switch it? I guess it will be difficult to utilise the rubber cover on the current switch. Any help would be appreciated.

    Once I start I am sure this will give me the inspiration to create some of my own lights as I have a friend who is a CNC operator.

  2. #2
    mtbr member
    Reputation: troutie-mtb's Avatar
    Join Date
    Sep 2007
    Hi Mr AB
    sounds like the driver has kicked the bucket

    the led board just needs a bit of brute force
    and the driver is just a press fit and comes out with a bit of levering .

    the rest I will have to leave for the electronic savvy folks to help out on

    Go for it on the build your own you can do better than the DX Bastid light easily

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