Originally Posted by
wassa64
Thanks Dan,
I checked all the molex conectors to the B board and the power unit, all are like new. Checked all voltages at the power unit against the printed value next to each of the pins where available, and all are within 0.2V. Traced these to their destination and checked voltages all OK. The resistance of these interconnecting cables all 0.23-0.25 Ohms. I am still concerned about the inability to adjust the +6V reference with RV3 on the A board what do you think? Any other help would be greatly appreciated.
Thanks Craig