Thanks Stan,
I added a turn to the heater xfrmr for now and will look for a new tube.
Jeff
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-----Original Message-----
From: Stan or Patricia Griffiths [mailto:w7ni@...]
Sent: Sunday, September 02, 2001 10:22 AM
To: TekScopes@...
Subject: Re: [TekScopes] 2215 intensity problem.
Sounds like you need a new CRT to me.
Stan
w7ni@...
Jeff Kershaw wrote:
> Hi all,
>
> I am restoring a 2215 for my Dad. I have managed to cobble together a
> couple of them and have an almost good one, save one problem. The
'scope
> has good intensity at long sweep times, but when I switch it to faster
> sweeps, the trace fades away. Sometimes lowering the intensity pot a
bit
> helps, but it is still not a nice bright trace. I have adjusted the
bias
> and the focus as per the service manual. I wonder if this is a tube
problem
> or something else. The subject scope worked well with the old tube (I
used
> it in another 'scope). I had to change the control board and the tube
and
> hope that the problem is related to the control board. I have another
board
> that can be used with the exception of the timebase switch.
>
> So there you have it. Any help fixing my Dad's (9-17) b-day present
would
> be appreciated.
>
> Thanks in advance
>
> Jeff
>
>
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