On Jul 11, 2005, at 11:21 AM, Ian White GM3SEK wrote:
> R wrote:
>
>>
>> I have never had a case where the 250v-rated 3AG fuse in the primary
>> of the screen supply xfmr failed to open when needed to protect the
>> screen
>
> And the mains fuse protected the screen from what..
... exceeding the 275w max diss. rating during a glitch.
> . and how?
... by stopping the flow of current into the screen PS.
- note - Reverse screen-I is handled by a screen-cathode bleeder R
which draws c. 30mA.
>
>
> --
> 73 from Ian G/GM3SEK
> http://www.ifwtech.co.uk/g3sek
>
Rich Measures, 805.386.3734, AG6K, www.somis.org
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