I think Mark from Cinelabs once explained why the heater voltage can't be really measured correctly with a DVM but I forgot the reasoning why.
Verstuurd vanaf mijn iPad
> Op 16 feb. 2014 om 08:12 heeft pj pj <pj1@shaw.ca> het volgende geschreven:
>
> The Cinelabs transformer uses the (white) wire wrapped a few times around the ferrite as the winding for the filament voltage.
>
> One side goes to the HV board directly, the other via a resistor in series. Start tracing from the socket to back to that winding.
>
> The tube if I remember correctly needs 6.3V for the filament, so it sounds like something is running open circuit.
>
> Hope this helps.
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Received on Sun Feb 16 15:20:38 2014
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