Check voltages at J2 on the Motor Driver board.
| From | To | Reading | Adjust_____ | 
| +44 to +45 VDC | R17 on PS3 | 
+120 Volts:
Remember to turn the lamp on when you do the measurement. Check voltage at J2 on the lamp power supply PS4.
| From | To | Reading | Adjust | 
| +114 to +126 VDC | none |