GENERAL RADIO COMPANY 1650-B Instruction Manual page 49

DETECTOR
OSCILLATOR
*
R 1 0 7 AND / OR RIOB MAY BE REMOVED.TO ADJUST
OSCILLATOR L E V E L
BOTTOM VIEW OF TRANSISTORS
Figure
6 -6.
Schematic diogrom of the internal oscillator and detector.
SERVICE AND M A I N T E N A N C E
6-1 1