blooming and loss of pic, smells like HV trouble to me.
is audio still there? if so then:
check the HV 1st with a HV prob, if not there sub in new HOT/Damper/HV reg/HV rectifier. Check the cathode current of the HOT.
If no audio then you prob have a B+ issue, maybe a blown fuse (bad filter caps shorted).
If you have HV audio and still no pic, check the video out tube.
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