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-   -   PSA: Chipamp.com snubberized PSU schematic with part numbers (https://www.diyaudio.com/forums/chipamp/313871-psa-chipamp-com-snubberized-psu-schematic.html)

Hogwild 23rd October 2017 10:01 PM

PSA: Chipamp.com snubberized PSU schematic with part numbers
 
1 Attachment(s)
Hi everyone:

I've received so much help from you all on my Chipamp project, that I thought I'd make an (albeit small) contribution back. Here is a pic. of the Chipamp.com PSU with part numbers on top, as well as the LED power light indicator circuit and parts.



Hope this helps someone.

levistubby 23rd October 2017 10:13 PM

As has been pointed out in the past, the polarity of C6 is shown the wrong way round.

scottjoplin 23rd October 2017 10:44 PM

Actually, confusingly, it's the lower bridge that is reversed

Hogwild 23rd October 2017 11:37 PM

scottjoplin:

I'm a total newbie with nearly zero electronics knowledge. If you would please clarify what you mean by that, I will try to fix the diagram.

scottjoplin 24th October 2017 12:10 AM

Reverse D3,4,7&8

Hogwild 24th October 2017 12:40 AM

scottjoplin:

Sorry, not clear. What do you mean by reverse? Do you mean swap label D3 with D8 and swap D7 with D4 or something completely different?

Nisbeth 24th October 2017 01:22 AM

Look at the two halves of the PSU - the same connections that give positive output on top give a negative output on the bottom :D

Leave C6 and the other components as they are, but connect the D3/D7-node to the negative side of C6 and the D4/D8-node to the positive side.

/U.

Hogwild 24th October 2017 06:25 AM

Nisbeth:

I can't really imagine in my mind exactly how that would look. Maybe someone else can change the diagram and re-post?

Mark Whitney 24th October 2017 09:51 AM

Current only flows in one direction through a diode. Some of the diodes are drawn the wrong way and need to be reversed. This schematic keeps popping up with the same response.

levistubby 24th October 2017 10:11 AM

The problem is only with the circuit diagram. The Chipamp power supply PCB is correct.


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