did you test the fuses ??
You might have taken this apart for no reason; the monitor switch in your control panel looks to be in the off position. The one in the back is correctly on the on position. According to your pics.
I may have found a Nanao MS2930 monitor replacement. It's not definite yet, so please cross your fingers for me.
It's the manual sync version, but that's fine by me as I'll never run anything but 15khz games.