Im using an OSSC and played Silent Hill 2 on an OLED tv with no issues. However when I switched to my PC monitor (PG279Q) a white line started to appear on top across the whole screen. Like this. Hopefully it shows it clearly enough.
The OSSC is set to 480i with 2x bob de-interlacing (it shakes like crazy on passthrough mode) and im using a SCART packapunch cable from Retrogamingcables.com.
Does it have anything to do with the way monitors de-interlace? I dont know, i need help though =)