I have the same game... same problem. With power on player 1.........
I'm getting the correct voltages everywhere except R7/CR1/CR1 junction I get .12vdc. R3/R5 and R4/C4 junctions I get .2mv, I get the follow on U11..... P5 5vdc and at P1, P9 and P11 I get no reading. Any suggestions.