Re: TEMPEST update

From: Rodger Boots <rlboots_at_cedar-rapids.net>
Date: Mon Jun 09 2008 - 03:05:59 EDT

vernimark@vernimark.com wrote:
> Hi all,
> I tested HV with my HW probe and I can understand that HV
> goes from 19.5 to 20.1 kv. when HV reach 20.1 then the
> screen become dark.
>
> Is it normal that during normal operation I've a range (19.5
> - 20.1 Kv) so large?

Seems like a reasonable range to me. The voltage is going up because
you're loosing brightness, not the other way around.

You're loosing brightness because, most likely, the screen supply from
the screen/G2 pot is dropping OR grid 1 is drifting negative due to a
bad connection.
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Received on Mon Jun 9 03:06:00 2008

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