Well there is something going on in the regulator at IC-7. The voltages are not correct. The regulator is running very hot.
LH side is ref per schematic. RH side is what I read
Pin
Actual
1 - 0------------0
2 - 1.9---------1.37
3 - 1.2---------0.79
4 - 0-----------0
5 - 0-----------0
6 - 6.6---------7.78
7 - 12.1-------15.96
8 - 13.7-------16.7