Runcam Sparrow OSD connection to Wizard x220


I'm trying to connect a Runcam Sparrow to my Eachine Wizard x220 but I only see a black screen. Link of the photos on the first comment.Wires connection: Red (5-36V) --> + Black (GND) --> - Yellow (video) --> VTX White (audio) --> nothing (idk at the moment) Blue (vbat+) --> + of the battery via /r/drones https://ift.tt/3dykcnO

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