ProtoTypo PT6 – MCV4E

ProtoTypo PT6 is a straightforward conversion build of a Doepfer MCV4 into a eurorack module. I just removed the circuit board from original case, made a matching eurorack panel and gave that some fffuuuugly artwork! Not much to the build so I figured maybe I’ll just run through my magnificent paper sticker panel artwork method \:D/

Loose MCV4 circuit board with jacks removed plus the drilled 6hp eurorack panel. Drillwork looking almost not wonky, w00t?!

Add some white paper stickers on the aluminium panel.

Add a sticker of cats gazing a shooting star. Because why not :P

There’s a ton of boring work stages at this point (which I didn’t take photos of), like trimming the paper stickers. Sorry! After all decorative stickers have been applied and panel texts written, the whole thing is preserved under a piece of packing tape that gets wrapped around the panel edges to the back side. Finally through-holes are cut open and then the module can be assembled.

Ooh fancy panel!

Wiring on component side

Wiring on solder side.

Despite the MCV4 case reads that the device should be powered up using +9VDC wall wart, the internal operating voltage regulation is handled by a LM317 regulator. This can feed off of a +12VDC source equally well, making the euro power header setup a breeze. Solder header to a small breadboard, then secure that over the main board. Done!

PT6 aka MCV4E. Pretty little thing!

The 6hp front panel is secured only from the MIDI jacks, using two screws from the original MCV4 case. Robust enough!

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  1. ProtoTypo PT7 – CMY | My Diy Blog - 31/07/2017

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