Weak Usb Port

Comments

17 comments

  • Avatar
    Steve Lionel

    This is a common issue across pretty much all products with USB ports. Or even other kinds of ports. I will give Mosaic props for using a right-angle connector that is much less likely to cause such damage. That individual boards can be replaced is good too.

  • Avatar
    Seth Patchett

    Well the usb port completely came off.  It wasn't fun but I managed to get it soldered back onto the board.  Followed by a healthy amount of hot glue to hopefully keep it from happening again.

    I will say that the solder joints looked pretty dry.  I don't think it was attached well to begin with.

  • Avatar
    Scott Miller

    I just had the same issue - and I am very careful with all of my electronic devices. The solder joints detached cleanly. Very smooth where they were attached. Not sure if it was inadequate heat when soldering or lack of flux/unclean surface, but this is most likely a manufacturing error. Mine came off still attached to the cable end - and I wasn't attempting to remove the cable...

  • Avatar
    Kurt Skauen

    I take it they have used an SMD only USB connector then. Never ever use SMD for anything that need mechanical strength.

    There are really nice SMD micro-USB connectors where 4 short pins extend from the ground shield just long enough to penetrate the PCB enough to give a good grip when soldered.

    The price is the same, the size of the footprint is the same (except it takes up a bit more real-estate right under the connector), and they are almost impossible to tear off the board.

    Using the extremely fragile pure-SMD connector instead of this very rugged almost drop-in replacement is completely unacceptable for a device like the palette.

    The decisions being taken by the "engineers" at Mosaic is really hard to grasp. I will repeat again that it would have been so awesome if there was at least a single person at that company that had the ability to think a problem through before starting to implement something.

  • Avatar
    Scott Miller

    I suspect it's a problem with their manufacturer. Saw a similar problem with Fuhu tablet company that went from INC fastest growing company into bankruptcy because their Chinese manufacturing contractor took shortcuts in spite of the design. Excellent product, poor manufacturing. Theirs was a charging port problem with similar poor soldering. Hopefully Mosaic will address this promptly so it has no long term effects. Disappointed but still excited about what they have accomplished.

  • Avatar
    Kurt Skauen

    This is not a manufacturing problem. This is a design problem.

    It is true that there are serious issues with Chinese fab/assembly houses that will substitute the specified components with cheaper variants and then pocket the difference. But I have not heard of them changing from one footprint to another and doing the necessary PCB redesign to be able to mount the substitute.

    Mosaic decided to use this connector (or something very similar) instead of  this connector. Notice that the only difference is the way the metal flips are bent, and that the price is exactly the same. I highly doubt that the assembly house would do this swap.

    The one I used in my last design including micro USB was this connector which have four through-hole pins securing it in addition to the SMD signal pins. Still the same price. The slight loss of PCB real-estate for the Palette IO board have no impact what so ever. And it looks like they already have other through-hole components on there. So swapping the fragile connector with the rugged one would have had zero impact on both the PCB layout effort and on the assembly cost.

    It baffles my mind.

  • Avatar
    Kurt Skauen

    OMG!

    This reminded me of a post a while back where someone had one of the filament detector switches falling off. I found that switch and noticed that it only appeared to come in a version that have through-hole pins for mechanical strength. So I looked closer at their PCB. And sure enough. The switch they have used have pins. And they go through the board. But the ingenious "engineers" at Mosaic have decided to specify non-plated holes to make sure they don't provide any strength what so ever.

    Come on Mosaic! The level of incompetence this product show from any angle you look at it is just mind blowing. Your software engineers clearly are completely incompetent. The total lack of features and insane amount of bugs are just amazing. And the hardware is just as shit. How is it even possible to charge $800 for something that looks like it is being designed by complete amateurs? I guess what amazes me the most is that you have been able to create a product at all when it is so obvious that no one at Mosaic have the slightest idea about what they are doing.

  • Avatar
    Marcelo Virmond

    Same problem here...
    Now I have to buy another I/O board.

  • Avatar
    Scott Miller

    Mosaic was very helpful. The new board is slightly different from the original which indicates a different run. I didn’t notice how the USB port was attached as I was more concerned with replacing the existing one. The referenced web page and short video clips were very clear and the installation was not difficult. I would rate my skills at this sort of thing as intermediate - I can replace a laptop battery or hard drive but I am no watchmaker. The replacement included the board and new cable. The only thing else needed are some small zip ties as the original ones must be cut to remove the board. And the driver - six point star (not sure what it’s called) which I had, but realized later that it was also included in with the Palette 2 Pro. Printed my first two-color key perfectly. Going to try the four-color one next.

  • Avatar
    Jonny Yeu

    Hey Marcelo, sorry to hear that! I see your e-mail and will reach out to provide you with a replacement. Here is the support guide that Scott was referring to: http://mm3d.co/replace-io-board

    Great to hear that the two-color keychaing worked perfectly, Scott! Can't wait to see your future prints.

  • Avatar
    Jonny Yeu

    Hey Marcelo, we ran into some issues with DHL's system as your postal  code was auto-selecting the wrong city. However, this was due to a bug on DHL's end and you should be receiving a tracking number shortly. Thanks for your patience!

  • Avatar
    Billucas
    After seeing that I have to update the firmware, I have put the USB cable in the Palette to my computer.
    The updater was not finding the Palette. The mini USB port has fallen from the I/O board inside the Palette!
    I did not force anything… I hope the mini USB port will be more robust on the replacement board?
  • Avatar
    Kurt Skauen

    Any serious company would have made a new revision of that board with the appropriate connector and sent it to all customers.

    And of course replace it in all not yet sold units and for further production.

    Given enough time I guess pretty much every customer will experience this failure.

    But remember that this is a company where the COO replies to a post pointing out another very serious hardware design flaw by complaining about language. Completely ignoring the issue being pointed out. Follows up by trying to derail the conversation with irrelevant comments before asking to take the thread offline and finally closing it when I told him exactly what I felt about that. Followed by a threat to ban anyone who don't comply of course.

    I don't think anyone should hold their breath waiting for this company to do the right thing.

  • Avatar
    Jonny Yeu

    Hi Billucas, sorry to hear that! Could you please send me an e-mail at jonny@mosaicmfg.com and we'll get you a replacement immediately. We've seen this issue with our first batches of units and have made a change to the IO board design so that it attaches with a through-hole instead of gluing the port to the board.

  • Avatar
    Billucas

    Hi Jonny,

    The message is sent to you!

    Thank you.

     

  • Avatar
    Redemptioner1

    Another great design decision to save $0.05 on production costs to cause hundreds of dollars worth of warranty returns and complaints......

  • Avatar
    Kurt Skauen

    The sad thing is that I doubt it would even cost them that. The BOM cost would not change at all. And since that PCB appear to be full of PTH components already I doubt the assembly cost would change either. To avoid such a mistake they would have needed competent engineers, though. And that might have increased the cost quite a bit.

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