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nmalinoskiThe only thing you need to add is a 470ohm resistor on the CSYNC line as I measured the voltage at 4.21V which is not OSSC friendly.
If you’re using AV1, then you are correct; TTL should not be used on AV1, because it’s not SCART-compliant; however, AV3 requires TTL sync.
So, you theoretically could simply wire your MVS’s output to a DE-15 connector and hook it into AV3 without a resistor, but I believe the MVS is old enough that it will probably benefit from the additional low-pass filtering that AV1 offers.
