Wrong symbols on PCB?

[DevFelix]

i understand.

The main goal i have is to have the XLR just like it is later on the pcb as here:

but without the additional jacks. i dont need these because the pins are on the xlr anyway.

i initially thought that this could caused the routing issue i told earlier.
but i think there are some issues with the foodprints so i cant route them like i did in the schematic.

Thank you!

[RobK]

Your Channel 1 XLR is designated J6, but the corresponding Jack is J5. This will create 2 seperate footprints on your board.

[DevFelix]

@RobK

J5

Thanks!

I really dont know why this happend. tried adding a new one and its the same. J8A and J8B

[RaptorUK]

Are J8A and B different symbols or different parts of the same symbol ? each symbol has a footprint, if you have two symbols you have two footprints, if you have one symbol with two parts then you will have one footprint.

[DevFelix]

its one symbol with two parts

[RaptorUK]

So you will have one footprint, J8

[DevFelix]

That worked!

Thank you all!

[DevFelix]

But i still cant route GN to one of my Diagnostic Ports on the preamp. even tho they are connected in the schematic.
And i can tell that the foodprints are right

[DevFelix]

oh damn i think i know why. these pins have no contact with the pcb whatsoever.

My fault

[RaptorUK]

Check all your clearance settings in your board setup (Design rules > Constraints), that MAX device looks like it’s pads are too close to each other to comply with your constraints.

[DevFelix]

@RaptorUK

Constraints

i changed my lane width to 0,1mm. but it is still the same. the lanes are smaller than one pad.

[paulvdh]

@DevFelix

oh damn i think i know why. these pins have no contact with the pcb whatsoever.

Maybe, possibly, probably. There are a whole lot of different XLR connector footprints for slightly different models and also for different brands. Connectors are by far the most troublesome footprint type because there are so many variations.

[tutorial] Test fitting Footprints

A small demo to show how I test fit footprints. It’s a combination of a few things to make it work perfectly. The first step is to print a PCB mirrored on a piece of Paper: PcbNew → File → Print → Options Mirror → Print. 2nd step: Take a needle and pre-punch all the mounting holes into the paper. (For the large holes I used a hole punch). 3rd step: Carefully put the connector into the sheet of paper. 4th step: Take a picture or scan the whole contraption with a flatbed scanner. This make…

[RaptorUK]

It’s not about track width but clearances, they are shown my the outline around pads . . .

0.2mm in Board constraints and Default Netclass

now 0.1mm in Board constraints and Default Netclass

0.25mm clearance means this device cannot be routed too as it has no clearance

[DevFelix]

which number should i change?

[DevFelix]

Btw. i can connect something to the preamp, just not to the xlr combo jack.

[RaptorUK]

I guess that you don’t have a connecting Net then . . .

[DevFelix]

Im pretty sure its connected

[DevFelix]

[paulvdh]

@DevFelix

Im pretty sure its connected

The little squares and circles indicate open ends. ERC will also flag this. Have you run ERC?

Global labels for “inputs” and “outputs” have their attachment points on “opposite” sides. When in doubt, you can simply drag a label to the side. When there is a connection to the pin, then KiCad will draw the connecting wire in between.