Re: New Member Dead 7704


Chuck Harris
 

You are thinking of HP, this is a Tektronix scope.
The scale illumination is by incandescent bulbs side
lighting the screen.

Nine times out of ten, when a 7000 series scope is dead, the
problem is simply a shorted tantalum capacitor somewhere on
a power supply input filter to one of the circuit boards.

Also, a 7000 series scope without plugins will not show a
screen trace, or dot.

-Chuck Harris

tatumj1@... [TekScopes] wrote:

The only glow I expected would be the scale illumination. But this is like a trace that fills almost the whole screen.





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Posted by: tatumj1@...
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