I’m having a similar problem. Hooked up the Wii with component and audio to the v1 3.5 audio jack. On AV1:RGBS i can hear audio of the Wii but no picture(not expecting to because that’s the Scart input & thats empty) But when I switch to AV2: YPbPr 525p 31.46khz 59.94hz i get picture but no audio. Also when on AV1:RGBS if i turn the unit upside down the audio cuts off. Is this unit defective? I made a you tube which shows the issue, got the 3.5 audio jack from amazon links below.