sci.electronics.repair@googlegroups.com

Today's topics:

* Mixing 4 audio channels to 3? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/a9c921002b2ed750?hl=en
* taking apart pcmci card? - 1 messages, 1 author
http://groups.google.com/group/sci.electronics.repair/t/3f03ff8e466d471a?hl=en

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TOPIC: Mixing 4 audio channels to 3?
http://groups.google.com/group/sci.electronics.repair/t/a9c921002b2ed750?hl=en
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== 1 of 1 ==
Date: Sat, Nov 12 2011 8:09 pm
From: DaveC

> With R12 cranked down to minimum R the output of U3 goes down to about
> 600µVPP out with 2VPP out of the sound card(s), and up to about 6VPP
> with R12 at 10k so, if you use a 10k pot for R12, there's your center
> channel volume control.
> ---
> JF

Yeah, R12 needs to be a pot. That does it.

Thanks!

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TOPIC: taking apart pcmci card?
http://groups.google.com/group/sci.electronics.repair/t/3f03ff8e466d471a?hl=en
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== 1 of 1 ==
Date: Sat, Nov 12 2011 10:12 pm
From: "§ñühwö£f"

KORISNIK <tehit1@gmail.com> wrote in
news:3a1580f6-f0f5-44eb-af46-5840e46d2c28@u28g2000yqb.googlegroups.com:

> how do you go about opening the pcmci to 4usb adapter
> at least the black plastic front box(made up of top with 4openings and
> bottom-floor)without breaking it -the central connector got desoldered
>
try cutting it open with a dremel tool?

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