It was done and it doesn't work. I'm going to check all the connections on that unit. It was done and it doesn't work. I'm going to check all the connections on that unit. The problem must be in the box itself, specifically in the flip-flops of the RDY or MTRX line. The box is from the Golden Image brand. The floppy is a Chinon FB-357A, It may be a problem similar to this
https://eab.abime.net/showthread.php?p=1492655
When I modify a Sony, I will test it with several external boxes and I will inform you.