Calibration results:
CH1 offset at 2V/div : 77 FAIL
Rounds : 51
CH1 offset at 1V/div : -46 OK
Rounds : 51
CH1 Y-position low, CH1_DAC1 255 0
Rounds : 33
CH1 Y-position mid, CH1_DAC0 255 77
Rounds : 51
CH1 Y-position high, CH1_DAC2 255 173
Rounds : 51
ic1 has 0 volts on pin 9 traced pin 9 to ic3 pin 22, from there i cannot locate were it goes. maybe im just going about this the wrong way.