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 Forum index » DIY Hardware and Software » MusicFromOuterSpace.com designs by Ray Wilson
Sound lab front panel wiring problem
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cds56



Joined: Jan 13, 2011
Posts: 18
Location: Canada

PostPosted: Thu Jan 13, 2011 8:57 am    Post subject: Sound lab front panel wiring problem
Subject description: Terminal strips, wiring, etc
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I just started building my soundlab minisynth, I got the pcb, soldered all the parts, the sockets. ( I am leaving the IC's out for the time being while the board isn't in a box )

I, made my own front plate and I/O panel, and I get how the wiring is supposed to work, except for the "terminal strips" for junctions. I don't have any of them :/

soooo, is that any problem?
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th0mas



Joined: Feb 27, 2010
Posts: 12
Location: Ottawa

PostPosted: Fri Jan 14, 2011 10:06 am    Post subject: Reply with quote  Mark this post and the followings unread

No, it's just a suggestion for a tidy way to do multipoint connections. Soldered connections should work just as well if you take your time. Good luck, this was the most painful part of the soundlab process by far (especially with a custom frontpanel)!
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cds56



Joined: Jan 13, 2011
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Location: Canada

PostPosted: Fri Jan 14, 2011 2:24 pm    Post subject: Reply with quote  Mark this post and the followings unread

thanks Very Happy
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cds56



Joined: Jan 13, 2011
Posts: 18
Location: Canada

PostPosted: Fri Jan 14, 2011 4:47 pm    Post subject: Reply with quote  Mark this post and the followings unread

I assume that the green ground wires on the jack panel are connected to the sleeve, not the tip, right?

And that the wires going towards X1, X2 & X3 are attached to their respective tips?
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th0mas



Joined: Feb 27, 2010
Posts: 12
Location: Ottawa

PostPosted: Tue Jan 18, 2011 10:23 am    Post subject: Reply with quote  Mark this post and the followings unread

Yes that sounds right.

Other thing to know: you need to use the panel diagram to map the spots on the PCB to which lug on the potentiometers they go. When I started I had assumed that when a spot on the PCB was labelled "R48-2" it meant the middle lug on the potentiometer R48. Not necessarily true.

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cds56



Joined: Jan 13, 2011
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PostPosted: Tue Jan 18, 2011 2:09 pm    Post subject: Reply with quote  Mark this post and the followings unread

wouldnt the PCB drawing ray did with the lettered Wire holes be very self explanatory? Rather than connecting the wires via part no.?

as opposed to R48 -2, it would say [K] ->(pointing to the R-48-2 hole)

http://www.musicfromouterspace.com/analogsynth_new/SOUNDLABMINISYNTH/images/PCBshowinglabels.jpg
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th0mas



Joined: Feb 27, 2010
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PostPosted: Tue Jan 18, 2011 2:18 pm    Post subject: Reply with quote  Mark this post and the followings unread

yes.

just wanted to make sure you didn't for some reason do something dumb like I did, and ignore that at first and just go with the numbering on the PCB Wink

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cds56



Joined: Jan 13, 2011
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PostPosted: Tue Jan 18, 2011 2:27 pm    Post subject: Reply with quote  Mark this post and the followings unread

I am much less stressed about the wiring now, thanks Very Happy
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mrfang



Joined: Dec 27, 2006
Posts: 5
Location: austin

PostPosted: Wed Jan 19, 2011 12:52 am    Post subject: Reply with quote  Mark this post and the followings unread

For whatever it's worth, I found the wiring to be very time-consuming but not difficult if you follow those letters on Ray's diagram.

Post pictures when yours is done!
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cds56



Joined: Jan 13, 2011
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PostPosted: Wed Jan 19, 2011 10:58 am    Post subject: Reply with quote  Mark this post and the followings unread

Will do Very Happy The wiring, won't be pretty though, and the box, non existent for now.
For a little while I sat... and stared first at my front panel, and then at the wiring diagram, then back, I had no idea where to start. So in 1 1/2 hours I soldered around five wires.
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mrfang



Joined: Dec 27, 2006
Posts: 5
Location: austin

PostPosted: Wed Jan 19, 2011 11:24 am    Post subject: Reply with quote  Mark this post and the followings unread

cds56 wrote:
The wiring, won't be pretty though


The wiring doesn't have to be pretty as long as it works! Check out my mine:

Posted Image


minisynthguts.jpg
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Where does this orange wire go?
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minisynthguts.jpg


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cds56



Joined: Jan 13, 2011
Posts: 18
Location: Canada

PostPosted: Wed Jan 19, 2011 12:33 pm    Post subject: Reply with quote  Mark this post and the followings unread

Perhaps I should mockup my box in a shoebox or something so I can wire the PCB and the jack panels together.

and at least I know that not everyone cares about color coding like I do Very Happy
EDIT
Oooh!

That's what that little packet of screws was for! mounting the PCB..

Not quite sure HOW to mount it, but I get the idea a bit..
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