Thread: 21zp4a crt sub
View Single Post
  #36  
Old 03-31-2025, 12:56 PM
bandersen's Avatar
bandersen bandersen is offline
RCA 741PCS
 
Join Date: Mar 2009
Location: Chicago, IL
Posts: 8,780
The schematic shows both. The dotted line is the for the electrostatic focus CRT.
Anode wire resistor should be 1M, not 1.7 ohms.

Filament limit resistor should be 0.51 ohms. 0.7 is close but it will run the rectifier tube a little lean and could possibly reduce the HV output.
__________________
Here are my Vintage Radio & TV YouTube Channel and Photo Gallery
Reply With Quote