Resistors should be check with one leg lifted IF they check
bad in circuit. After a while you get the hang of which to
do & speed things up.
For now check pin 2 of the horz out tube & be sure its about -20 VDC.
If not its a dead horz osc stage.
Also check voltages on the 8FQ7 & 22JU6 & post them.
73 Zeno
LFOD !