PreenFM > preenfm2 and preenfm3

PreenFM2 r5d - midi DIN IN ok OUT not

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AnoNeko:
hi all

I finished my build yesterday but cant seem to get the midi working, I resoldered the wires as I had those the wrong way and checked everything else looked ok

I read the diode orientation can do this, I have red one with ring on the right, the other 2 have ring on left and bottom

I ha e one resistor left and a black wire, do I need these? they were left over from the oled mod

which pins on the r5d board deal with midi please?

many thanks guys

also I havent been able to find how to init a patch, can this be done?

AnoNeko:
heres the midi wiring

AnoNeko:
and the pcb

Xavier:

Hi,

There are 2 things we don't see well on your picture :
. How the midi jack are solders.
. The direction of the 6N137

I attached a diagram with the connection you should check.
Same color = linked.

Happy debugging,

Xavier

AnoNeko:
ill check those thanks

I have nothing in p3 though was I meant to put a jumper pin in there?

update//
resoldered all the points in the photo you highlighted and no change
the 6n137 has the dot at the bottom left, same edge as the indent on the mount
the midi jacks are wired on the center row of the top 5 pins, so 2 and 4 counting clockwise 1-5, left in on pcb to pin 4, right in to pin 2, same with the out from the pcb left 4, right 2

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