• The move to the new server is done. There are some software and database maintenance updates in process. This has us passing the hat around to help out. We appreciate any donations. Seriously, even a dollar helps. The payment page may be found here - https://www.audiokarma.org/support.html

Marantz 2275 rebuild

Thanks for the quick reply! I'm confused. You've posted pictures of new, black P700 boards. So you have had these manufactured, yes? I'm just curious on the ball park cost. I need a few for different models, not the 2275.
This is 3D render from KiCAD. :) It allows to see the board rendered before the even production
 
I managed to make 2 layer layout as a draft. To make it pretty i'll go for 4 layers to avoid vias and wires.
 

Attachments

  • Screenshot 2021-12-05 120120.jpg
    Screenshot 2021-12-05 120120.jpg
    57.6 KB · Views: 57
Unfortunately, ALL my work on my marantz was lost due to me being idiot. I bought new PC and while tranferring the data this particular folder that had all marantz project was accidentally deleted and it could not be recovered. P800, PY01, P700 and PE01 are all gone :)
So i decided to assemble the receiver as is and just listen it during Christmas and New year holidays. It sounds already fantastic and i just replaced all the electrolytic one.

Mean while, I was able to redo P700 using my paper prints and digital images. It is not polished, a lot of fact checking needs to be done.

Now i am focused back on PE01. It would be harder since original schematic had so many errors, i fixed them all (yes, schematic also gone). I have only an intermediate printed result as a starting point.
 
Ohhhhh, man!! Been there and done that. That feeling you get the moment you realize your files are gone is terrible. So sorry. I hope you have the will to go back and duplicate the work you did. It was awesome. :thumbsup:
 
That really sucks!

Lots of times when a file gets deleted only the record in the TOC is erased. If you put your old drive in an external drive reader and open it with a different OS many deleted files are still there unless overwritten. But yea, ouch!
 
Very nice work. I'm following your thread with great interest.\

I've just started to try to create some PCB boards for my Fisher tube receivers and have been using EasyEDA after finding some YouTube tutorials.

I've been able to convert Gerber files exported from EasyEDA to KiCad PCB files so I guess I could switch. Just wondering if there is a particular reason why you like KiCad. I'm still learning here.
 
Hey. I made a choice in favour of Kicad when version 4.x was live. I needed a tool that can validate layout against schematic and basically doesn’t allow mismatch between the two. And kicad was the only free alternative that i quickly picked up. Since then i am using only it
 
I gotta load KiCad, I have a project that needs doing. I used to use AutoCAD at work and then run a gerber converter. My boss did most of the layouts though. But I had to check them all! They've switched to a Swedish CAD, CADint. Thankfully dodged that before I left!
 
Back
Top Bottom