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sduck
26
Mar 19, 2018
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Mine just arrived - very nice! I have 3 of the older keyboards, all bought second hand, and they all have issues, glad to have one that works correctly. I love the tactile feel of this new one. The space key is still a bit different than the others, but much better than the older version.
One thing I'm seeing is that the top row - all the function keys and everything else up there seems to be turned to red by default, unlike the rest of the keys which color cycle. Is this normal? I haven't tried all the modes yet, but a restore command didn't fix it.
Mar 19, 2018
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882
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Mar 20, 2018
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Hi @sduck - You can play with Fn+Ins and Fn+Del for changing color combinations. I usually test boards by setting all the keys to red, or green, or blue, and seeing if there are any issues.
If you have a board with non functional backlighting please contact support for a refund. I'll take this up with the manufacturer. The root cause for this is likely a board issue, specifically, a soldering issue on the LED voltage regulators for the Fn row.
Mar 20, 2018
sduck
26
Mar 20, 2018
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Ok, some follow up on this. First, the keyboard I received is defective, and I find the offer a partial 25$ refund to be totally unacceptable - I want either a complete replacement or a complete refund. But that's a matter between me and the massdrop support department, not you and I. I will take it up with them.
What's going on isn't "non functional backlighting" - what I've got happening is the top row not color cycling like the rest of the keyboard. Most of the time it's stuck at red, but if I choose the solid single color option and cycle through the colors, the top row will change, just not to the same colors as the rest of the keyboard. This may well just be a matter of a missed solder on one of the components - if you have any educated guess as to which one, and can post a picture where it would be, I've got the required soldering skills to fix it possibly.
Mar 20, 2018
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Mar 20, 2018
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Massdrop support should offer you a full refund, and we should charge this back to the manufacturer. Tell them I said so.
I can't provide detailed support person see but if you trace out the PCB you'll see how individual rows of LEDs are powered. You can try reflowing the MCU and some of the drivers to see if it helps. Again, lighting is per row, so your problem should be well localized. Good luck!
Mar 20, 2018
sduck
26
Mar 20, 2018
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Thanks, I'll take it apart and take a look.
Mar 20, 2018
sduck
26
Mar 21, 2018
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Ok, it's taken apart and I've inspected everything. I'm seeing a really obvious bad solder on the bottom left pin of the MCU (with the usb on top) - it's bent over and soldered onto the pin next to it. Rookie soldering error - surprised this passed any kind of inspection. I'll see if I can fix it, but it's a really tight thing, and I'll have to pry the wrong one over without disturbing the one next to it, something I've not had great luck with in the past. Do-able though, hopefully.
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Mar 21, 2018
sduck
26
Mar 21, 2018
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Follow up question - would a pcb from one of the previous versions be compatible with this case and the keys? I have one that's working 100% - if I could just switch them that would probably be more successful than fixing the mcu problem. edit: no, it won't. Some significant differences.
Mar 21, 2018
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Mar 22, 2018
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Sadly, there are a number of incompatibilities between Round 1 and Round 2 boards.
Mar 22, 2018
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