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-   -   Dedicated PSU for DEQ/DCX2496 (http://www.diyaudio.com/forums/power-supplies/102277-dedicated-psu-deq-dcx2496.html)

stef1777 21st May 2007 08:43 PM

Dedicated PSU for DEQ/DCX2496
 
2 Attachment(s)
Hi Folks!

I'm designing a linear dedicated PSU for the Behringer DEQ2496 (and DCX).

I need an advice. In this current draft drawing, the 10v ground is connected to the 15v ground. I don't know if I can connect 2 ground lines for 2 different transformer/rectifier.

Enclosed is my last draft.

Thanks for your help.

Stephane

stef1777 22nd May 2007 07:43 AM

2 Attachment(s)
New version.

altclick 23rd May 2007 12:15 AM

Stephane,

Didn't you already install a psu in your DEQ2496 a while back?

Vic

stef1777 23rd May 2007 09:58 AM

2 Attachment(s)
Quote:

Originally posted by altclick
Stephane,

Didn't you already install a psu in your DEQ2496 a while back?

Vic

Sorry Vic, I'm not sure to understand your question.

New version. I started to design the PCB. VK200 will be removed (no space lelft for that). All rectifier will have caps close to the pins. I changed some components references. The schematic is not yet up to date.


http://audio.cyberkata.org/DEQ2496/test_placement.jpg

Ryssen 23rd May 2007 10:55 PM

So there will be a board?:yummy: :scratch2:

stef1777 24th May 2007 12:35 PM

Quote:

Originally posted by Ryssen
So there will be a board?:yummy: :scratch2:

Yes but the way is long until the paradise. ;-)

http://audio.cyberkata.org/DEQ2496/pcb_alim_deq_1.jpg

http://audio.cyberkata.org/DEQ2496/psu_placement.jpg

.

AR2 24th May 2007 01:25 PM

Hi Stephane,
What is the improvement over existing PSU?Would this replace 7805 regs. that are on the board as well or they will stay?
Thank you
AR2

altclick 25th May 2007 04:51 AM

Never Mind - I see how this is different. You are going to replace the stock PSU altogether.
Thanks for sharing the project - this is one I would like to follow...

Vic

stef1777 25th May 2007 07:17 AM

Yes, true.

New version. Heat sink was too small for 3.3v and 5v. VK200 are back. Decoupling caps for all rectifiers. Ground plane. 2 types of output connector possible.

Real size.

http://audio.cyberkata.org/DEQ2496/pcb_alim_deq_2.jpg

Ryssen 25th May 2007 08:34 PM

Making progress!:)
Count me in for one when finnished.:cool: :)


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