Seymour Duncan - 805 overdrive

General documentation, gut shot, schematic links, ongoing circuit tracing, deep thoughts ... all about boutique stompboxes.
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peterc
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Post by peterc »

Interesting thread, looking forward to this.

Thanks!

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Ichabod_Crane
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Post by Ichabod_Crane »

The schematic is in the doc, now:
https://www.pedalpcb.com/docs/SeyfoamOD.pdf.

I tried to draw a layout.
NOT VERIFIED

Image

Warning: Two cut track even under the transparent 18nF.

Tell me if you see something wrong.
(Probably I can't build it soon.)

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Manfred
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Post by Manfred »

Hi Ichabod_Crane

checked your vero-layout and found the errors I marked in the image.
To trace them I made a copy of your layout with the Lochmaster 4.0 layout program.
This program provides a trace function which highlights the selected connections in color.
I have moved the jumpers that used the common holes and are located under the parts.
I am not happy with this kind of connection, because I have had bad experiences with it in the past.
SeymourDuncan805CloneVeroCorrected.jpg
The redrawn schematic according to the Vero layout:
SeymourDuncan805CloneSchematic.JPG
SeymourDuncan805VeroCloneComponentSide.jpg
SeymourDuncan805CloneVeroSolderSide.jpg
SeymourDuncan805VeroCloneComponentSide.pdf
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SeymourDuncan805VeroCloneSolderSide.pdf
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Lochmaster 4.0 file:
Seymor Duncan 805Clone.zip
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Ichabod_Crane
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Post by Ichabod_Crane »

Thank you, Manfred. You're right, that layout was my old version, indeed I corrected those mistake just like you said.
Here my layout:

Image

I didn't try Lochmaster 4.0, I don't like too much how the layout is drawn, but the highlight function can be useful.
I guess I never got problem with shared hole and under part jumpers, especially when I use the thinner lead cut from the old resistors by Tayda.

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Manfred
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Post by Manfred »

I guess I never got problem with shared hole and under part jumpers, especially when I use the thinner lead cut from the old resistors by Tayda.
No worries this is not a common problem but my personal problem. :)

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