First off there are 2 major versions of this set & a lot of
minor changes. If you slip in this set it can be a major disaster.
T901 is fil xformer. 6.3 VAC goes right to pins 1 & 8 of CRT.
Instant on is an 820 ohm 5 W in series with T901 primary.
Part of the on/off sw shorts the resistor out when on
to give full AC to primary.
T901 is behind & to left of the small power supply PCB. If
you tilt it back you will see it.
Good luck
73 Zeno
