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Had a flyback start arching hard last night ...smelled like I would imagine a prison electrocution would and loud lol.

Shut her down immediately. The ba k door was off so it might have lasted like 10 seconds or so. Pulled chassis today and installed another known good chassis and no picture at all. Monitor is making a weird "shallow sizzle" at the anode area. No crackle like normal. etc.

About to bench test said chassis on another known good chassis .

Any thoughts? Any way that a tube can cause this?
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