Post the chassis number for us 1st KCS###
Healthy spark at plate cap leaves
1) bad tube
2) open filament winding or resistor. Check resistor with tube OUT.
3) open anode lead
4) bad CRT
Is this one of those early solid state sets ?? If so IIRC the anode lead has
resistors built into it, special OEM part.....
73 Zeno
LFOD !