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VGA666+PVM composite sync (csync)
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Hi, I recently bought a VGA666 hat with the intention of hooking it up to my sony PVM.
I changed the config to include
dtoverlay=vga666 dpi_output_format=0x105
Which I read would enable csync on GPIO1/PIN28. But it only syncs for a fraction of a second then loses the vertical sync.
I've tried other pins and they don't work. If I remove the dpi_output_format it doesn't sync at all.
Anyone have any ideas?
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To anyone having the same issue, I needed to cut the HSYNC trace on the vga666 board for the csync to be strong enough to control the PVM
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