GE 4PE350A3 Instructions Manual page 239

(a) Q18, Emitter, 38 volts P -P, V Rate
(c) Q20, Base, 11 volts P -P, V Rate
EBI-6351
(b) Q19, Base, 7.0 volts P -P, V Rate
(d) Q20, Collector, 60 volts P -P, H Rate
(e) Q20, Collector, 60 volts P -P, V Rate
(f) Q21, Base, 12 volts P -P, H Rate
(g) Q22, Base, 14 volts P -P, H Rate
Fig. 55 Viewfinder Sweep Board Waveforms: Q18, Q19,
Q20, Q21, Q22