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 Forum index » DIY Hardware and Software » Thomas Henry designs
MPS PCB Pinouts
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godric



Joined: Dec 09, 2010
Posts: 9
Location: UK

PostPosted: Wed Oct 12, 2011 1:20 pm    Post subject: MPS PCB Pinouts Reply with quote  Mark this post and the followings unread

Does anyone have details of the pinouts of J12 - J18 on the MPS PCB?

Sort of need this info to wire it up to the panel - have had a look round the forum but can't find/have missed it.

Any pointers gratefully received.
Godric
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echoer



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PostPosted: Wed Oct 12, 2011 10:29 pm    Post subject: Reply with quote  Mark this post and the followings unread

http://electro-music.com/forum/phpbb-files/mps_layout_111.jpg
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godric



Joined: Dec 09, 2010
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PostPosted: Thu Oct 13, 2011 5:19 am    Post subject: Clarification of pot pins Reply with quote  Mark this post and the followings unread

Thank you Jason.

There are various pins suffixed top, bottom, centre. Which presumably refer to the pot pins. Which way up are the pots with regard to this labelling (left, centre, right I can get my head around as long as I know whether I'm looking at the back or the front of the pot) Top and bottom are confusing me a bit.

Assistance gratefully received.
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jumunius



Joined: Apr 19, 2010
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PostPosted: Thu Oct 13, 2011 7:26 am    Post subject: Re: Clarification of pot pins Reply with quote  Mark this post and the followings unread

godric wrote:
There are various pins suffixed top, bottom, centre. Which presumably refer to the pot pins. Which way up are the pots with regard to this labelling (left, centre, right I can get my head around as long as I know whether I'm looking at the back or the front of the pot) Top and bottom are confusing me a bit.


Check out Jason's other recent post to the TH forum. He posted a hand-drawn wiring diagram from the rear perspective, with wiring references. That should help clarify.
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godric



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PostPosted: Thu Oct 13, 2011 11:18 am    Post subject: Reply with quote  Mark this post and the followings unread

Thanks I found that - and it does help.
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Uncle Krunkus
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PostPosted: Thu Oct 13, 2011 4:28 pm    Post subject: Reply with quote  Mark this post and the followings unread

I labelled them Top/Bottom/Centre so people could work it for themselves.
By bottom, I mean the pin which is connected to the centre when the pot is turned "down". ie - anticlockwise for a standard volume control on an amplifier.
Top - which ever one connects to the centre when it's turned up. ie Which for a slider would be when it's at it's highest position.

People use different parts, so I kept it concept specific rather than part specific.

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