>>> Also what is the V at Q4.E (should be ~ +2.6V), also Q4.B & C. Q4.E to ground is 3.05 Q4.B to ground is 3.24 Q4.C to ground is -9.18 > When Q4.BE shorted, E2.6 should swing well-negative. Nope, 2.544 on E2.6 assuming E2's pinout is 1 8 2 7 3 6 4 5 C