No Power on Headphone output and major problem with controlboard connection

[tunagenes]

re “second issue”, Is your main to control board ribbon cable type B as described in this post:

V5 not booting with control board plugged in

I am not at all sure about this, having only built V5 kits from stock parts, but looking at the picture from the V5 build instructions: [image] It looks like the Zynthian kit uses what MECCANIXITY calls a type B cable and you have gotten a type A. From your link: Two Kind of Types - A and B “A Type” flat cable means — the contacting side of the 2 top pin is on the same side(Both towards to up or down). “B Type” flat cable means — the contacti…