Correct input pinout Hifiberry DAC+ADC

Hardware
1

Hi All,

I’m converting my V3 Zynthian to dual mono inputs, instead of a single stereo input and noticed that the wiring is possibly wrong.

I found this topic about HB changing the specification of HifiBerry DAC+ADC (not the Pro, the standard version) from balanced input to unbalanced input: New Official Kit V2+: Audio Input is here! - #23 by riban

Then I checked the datasheet of the product here: https://www.hifiberry.com/docs/data-sheets/datasheet-dac-adc

And to my understanding one should be using pins 1, 3 and 5 of P6 connector (respectively right+, GND, left+) to connect stereo in - and a I’m planning to have them separated by drilling a new hole in the case to install the additional jack.

Can anyone confirm that above is the correct connection, please?

Thanks in advance,
~ACO

PS: And, for instance, it seems that the original wiring is neither stereo nor balanced mono, it is simply the right channel connected.

2

Input connectors P6

This allows you to connect an alternative input connector.

1 right +

2 - (right - for the boards that were unbalanced)

3 GND

4 - (left - for the boards that were unbalanced)

5 left +

Output connector P5

This connector can be used to connect to external components, e.g. an amplifier. The output is connected in parallel to the RCA jacks. Pin 1 is on the top left.

+5V 1 2. R

GND 3 4 GND

+5V 5 6 L

This is from the HiFiBerry DAC+ ADC manual

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