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I need help wiring a 1ma push-pull volume pot
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i am trying to post the schematic image, hope it works. i ending up removing this mod. was not impressed. it kept me busy during the pause (covid19 thing).
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Originally posted by g1 View PostI think this is the confusing drawing. It shows the arrow 'ground' symbol for all lugs of the mid pot.
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And there is the culprit, the bottom of the original pic was cut off. That's the part that says to remove the blue lines and replace the blue parts. Thanks for finding that, now I can finish the schematic.
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I think this is the confusing drawing. It shows the arrow 'ground' symbol for all lugs of the mid pot.
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I think I found the source: https://robrobinette.com/AB763_Modif...le_AB763_Mods_
Looks like one of the "Dumble cool mods". Unfortunately no schematic.
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There are photos in the first post, I don't know where they came from other than Dandrix posted them. I was trying to draw a schematic from that layout but was confused by the light colored wires showing the original connections, but instead of assuming they were left there by mistake I was hoping someone knew for sure that they should have been removed from that layout - or - the creator should have said "don't use the original wiring that is light-colored". I'm simply looking for clarification.
The previous comments weren't directed toward you, they were directed toward whoever drew that layout.Last edited by gui_tarzan; 09-04-2020, 10:29 PM.
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Originally posted by gui_tarzan View PostIn the original post on this thread.
If the old wiring is to be ignored it should have been removed. It's not that hard.
Do you know what's the purpose of the mod?Last edited by Helmholtz; 09-05-2020, 09:52 PM.
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In the original post on this thread. If the old wiring is to be ignored it should have been removed. It's not that hard.
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Originally posted by gui_tarzan View PostI have a different question. Why does it look like the Mid pot is grounded on all three leads along with the .047?Last edited by Helmholtz; 09-05-2020, 01:23 PM.
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I have a different question. Why does it look like the Mid pot is grounded on all three leads along with the .047?
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If you tested the cicuit mounted on cardboard (as in the pictures) you might be missing some ground connection via the amp's chassis.
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I have very little volume ( sounds like it’s on three). It’s wired according to the layout (pictured). I have very little experience with this style pot and was hoping someone could fast track me on to wire this mod using a push-pull pot. Thanks dan
the dude,
i using a push pull switch. not a separate slider switch and independent 1ma volume pot. because that is what the layout is showing. Clearly
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I don't get this. The mod is clearly drawn out in the layout diagram. Is there something specific you don't understand?
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