25-02-2017, 02:54 PM
I had a busy night as ever. I don't always get much free time but I did just look at the diagram. I get a potential divider across the 47 K and 10 K of approximately 7.421052632 and 1.578947368 which should equal the source of 9 volts. The BC109 is NPN. However I will recheck it later to be sure.







