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Mismatched fan pin on documentation #14

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ProjectPatatoe opened this issue Mar 20, 2021 · 10 comments
Closed

Mismatched fan pin on documentation #14

ProjectPatatoe opened this issue Mar 20, 2021 · 10 comments

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@ProjectPatatoe
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all revisions (001-003) has mismatched pin outs for Fan1 and Fan2. which is correct? It seems like the pin out got swapped between the FAN1 tag and the actual circuit/jack intended.

Images below are from 002 but the same or similar mismatch is on 001 and 003

  • 002 BOTTOM.pdf
    image
  • 002 PIN.pdf
    image
  • 002 SCH.pdf
    image

image

  • 002 SIZE.pdf
    image
  • 002 TOP.pdf
    image
@mks-viva
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PC14 use for FAN1
PB1 use for FAN2
We fix it

@mks-viva
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In the latest version 003 PCB, we have modified it
image

@ProjectPatatoe
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ProjectPatatoe commented Mar 22, 2021

I ask for a clarification/fix because for 001 and 002 is because people who have an older revision board can't be sure what exactly they are seeing or what they have in hand.

In addition, 003 still has inconsistencies. Specifically on the SCH sheet, they go to different connectors

  • 003 BOTTOM.pdf
    image
  • 003 PIN.pdf
    image
  • 003 SCH.pdf
    image
  • 003 SIZE.pdf
    image
  • 003 TOP.pdf
    image

@themacboy
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Why all this revisions? there are manofacturing or design problems in revisiopn 1 and 2? Why must request a board update (change)?

@mks-viva
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mks-viva commented Mar 23, 2021

001 and 002 is design problems(Silk screen error ), so, we will fix it on 003 version
The latest version of 003 has fixed this problem and is already in production

@ProjectPatatoe
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All (001-003) versions have documentation that is not reflecting what people have, making diagnosing or tracking errors difficult. For instance, these are the full list of differences I can see from manually comparing all of the sheets. Which really this should have been just listed somewhere!

Revision1vs2

  • fixed silkscreen for "E0_MOTOR" (Bottom sheet)
  • missing TH1 silkscreen (Pin sheet)
  • add a diode array / resistor bottom right by J55 (Pin sheet)
  • reworded/rearrange heater page (Sch sheet)
  • added diode protection on BLTouch (Sch sheet)
  • added 100ohm on BLTouch servo pin (Sch sheet)
  • a few more measurements (Size sheet)

Revision2vs3

  • fan pin switch (Bottom sheet)
  • clarified resist/silk/copper layers (Bottom sheet) recent changed undid this ):

@mks-viva
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mks-viva commented Mar 26, 2021

001 and 002 is has silkscreen error and the actual PCB also has the same silk screen error, so this cannot be modified;
003 has fix all the silkscreen error and i has update sch;
I will add a note describing what has been modified in 001-003 in README file

@ProjectPatatoe
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Ok so those pin notations are actual silk screens and not just notes? its hard to tell because everything is the same color. Perhaps a note should be put next to it as someone diagnosing their board wouldn't know that its an error

@mks-viva
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mks-viva commented Mar 27, 2021

just like what you said, those pin notations are actual silk screens and not just notes. So, 003 version hardware has fix it.
This is why I did not modify the 001,002 version hardware PCB silkscreen

@ProjectPatatoe
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OK since its now relatively documented both here as well in the updated documents and readme, I will close the issue.

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