[Test-Equipment] WTD: Help with old scope problem

[Pete Lancashire]

check with the Tekscopes group on Yahoo, lots of knowledge and experience there

-pete

On Thu, Oct 7, 2010 at 10:38 AM, Joseph Orgnero <josepho at shaw.ca> wrote:
> Hello
> For a number of years Ihave been using a Tek 310A on my bench. I like it on spite of its age and limited BW because of its small size and sharp trace. Recently,after not have been used for some months, presnted a number of problems.
> - There is no horizontal trace, only a spot.
> - The spot can be moved in both directions (V&H).
> - The focus control has only limited effect on the spot.
> - The intensity control has no effect on it.
> - The tubes related to the horizontal and sweep sections check OK.
> - There are no broken, burnt or overheated components.
> - LV voltages are OK but I cannot get a reading on the HV test point (5642 rectifiers).
> - If I apply a signal from the voltage calibrator, the spot splits on two.
> Any suggestions as to the cause of these problems (and fixes) will be greatly appreciated.
> Thanks
> Joe Orgnero  VE7LBI
> -
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