Ozan,
Is C-E terminals of Q7042 correct, i.e. not swapped?
I verified the terminals are NOT swapped!
If you short across C-E of Q8051 (with or without Q8051 in place is OK, you
can do it at the socket) does output go to ~ +0.6V? If it does Q8051 is bad.
If it doesn't Q7042 is bad or C-E swapped.
When I short across C-E of Q8051 the output voltage goes to -15.1.
Is Q7042 base voltage of -29.3V wrt to its emitter or ground? Vbe of -29.3V is
unlikely and would damage the transistor.
Q7042: E=-34.2 B=-34.2 C=-32.5
Is it possible that the replacement transistors I chose are causing this issue? I choose 2N5401 for 2N4249 and 2N5551 for 2N3565.
Thanks again!
Barry
Barry
