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Freya · 18th May 2018, 10:31 am

The EHT should be 8kV when synchronised with a signal and zero beam current (brightness turned down).
I suspect the CRT may be gassy causing excessive beam current which is dragging down the EHT to around 5kV.
Not as technical as Hugo, but seen in a few sets now.

18th May 2018, 10:31 am	#8
Freya Octode Join Date: Jan 2009 Location: Falmouth, Cornwall, UK. Posts: 1,990	Re: Bush TV22 flyback pulse The EHT should be 8kV when synchronised with a signal and zero beam current (brightness turned down). I suspect the CRT may be gassy causing excessive beam current which is dragging down the EHT to around 5kV. Not as technical as Hugo, but seen in a few sets now. __________________ Stephen _________"It`s only an old telly" ___