Numbers inside circle correspond to locations shown in the circuit diagram.
I601 Pin 9
25
PSD1 Pin 6
28
PSD2 Pin 10
31
Q777 Collector
34
WAVEFORMS AT EACH SECTION
I601 Pin 12
26
PSD2 Pin 1
29
PSD2 Pin 11
32
Q831 Collector
35
49
PSD1 Pin 5
27
PSD2 Pin 2
30
Q701 Collector
33
U101 Pin 4
36