19
and can access these points, they are a slightly better point for the 100K resistor. This is NOT a
mandatory point; it was just an intended production point when we were having problems with
some early Chinese early 811 tubes.
Figure 28 100K 2W resistor location A
Early two-relay board with +24V point for resistor
Figure 29 100K 2-watt resistor location B
Figure 30 Zener location. Note Zener band is toward the transformer, diode is in the cooling fan
air stream. This unit has the 100K resistor elsewhere: