Here is a video showing the lightbulb test and hsync garbage.
https://youtu.be/8A4rwF6vGKM
Perhaps I might've broke something in the +B circuit/Horizontal circuit by running with too big of a bulb, though.
edit: Towards the end of the video, you can see the HOT disconnect. Slapping the set on the side gets it back on.
Quote:
Originally Posted by Alex KL-1
Is good to check the oscillator zone. If it generates too distorted pulse (too different from the correct waveform), also have a chance to eat some HOT.
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I don't have an oscilloscope.