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LED's not coming on

Discussion in 'Cinestar 8' started by Nick Adams, Jun 5, 2013.

  1. Nick Adams

    Nick Adams Member

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    I am stumped. I have finished my Cinistar 8 build and I am trying to figure out why the LEDs are not coming on.
    I have attached a pic of the LED circuit board, I have power coming into the right (as you look at it)_ of the board but nothing coming out of the left side of the board. When I put power to the LEDs individually they work fine.
    I have also attached a pic of how the LEDs are set up in MKtools.

    Thanks

    Nick
     

    Attached Files:

  2. Adam Paugh

    Adam Paugh Distributor

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    Hello Nick,

    Looks like the SMD components are not yet soldered onto the EXT PCB board. Did you purchase this kit?:
    http://www.quadrocopter.com/PCB-Extension-Set_p_312.html

    With this set there are some small components to assemble on the PCB. Check the scope of delivery on this product.

    Assembly instructions are here: http://www.mikrokopter.de/ucwiki/en/ExtensionPCB

    Greetings,
    Adam
     
  3. Nick Adams

    Nick Adams Member

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    Hey Adam,

    Thanks for taking a look.

    It is was what came with the Cinestar 8 basic DIY kit, it is listed as a PCB extension kit in the scope of delivery.

    I maybe delusional but I didn't see the actual pieces you were describing. Would you mind being more specific
    for someone who is 'electrically challenged' :)

    Cheers

    Nick
     
  4. Adam Paugh

    Adam Paugh Distributor

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    Hello Nick,

    Here are the parts for the EXT PCB kit:

    Scope of Delivery:
    • 1x - Bare circuit board
    • 9V voltage regulator
    • LFETs
    • Optocoupler
    • LEDs
    • Resistors
    • Capacitors
    • Cable
    These components are very small and potentially overlooked. They are included in the pink bag with the bare circuit board in your picture.
    Greetings,
    Adam
     
  5. Nick Adams

    Nick Adams Member

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    I will have to hunt them down, I definitely did overlook them.

    Cheers Adam,

    I appreciate the help
     
  6. Nick Adams

    Nick Adams Member

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    Found the pink bag and its contents!
     
  7. Nick Adams

    Nick Adams Member

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    Just for future reference: I built my C8 with the help of 'The Rather Good Guides' and Andy just confirmed that his DVD's do not cover the assembly of the ECB Extension board as it used to come assembled from Quadrocopter. He kindly shared this link for a tutorial
     
  8. Andy Johnson-Laird

    Andy Johnson-Laird Administrator
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    Yeah...sorry about that folks. The Extension PCB I got was fully assembled, so I didn't realize the need.

    Andy
     
  9. Josh Lambeth

    Josh Lambeth Well-Known Member

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    How did you manage getting that??? I've had to build two now! :confused:

    Josh
     
  10. Andy Johnson-Laird

    Andy Johnson-Laird Administrator
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    It was back in the Dim Times (that is, last year), so I think I may have asked QC if it was possible to have it assembled as I "don't do" surface mount.... :)

    Andy.
     
  11. Gary Haynes

    Gary Haynes Administrator
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    Andy come on. All the toys you have and you don't want to mess with parts so small that you need an electron microscope to install them?
     
  12. Andy Johnson-Laird

    Andy Johnson-Laird Administrator
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    Yeah. I confess. I just couldn't quite see myself with a hot air soldering station soldering things I couldn't see, to printed circuit boards....and my whimpering skills are better than my surface mount soldering skills....

    Andy.
     
  13. Nick Adams

    Nick Adams Member

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    I pull bigger bits out of my shoes after a beach portrait:)
     

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