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Re: Tektronix 2445 - trace doesn't go to the left edge.


 

On 29/11/18 09:36, Mattis Lind wrote:
Commenting on what machineguy59 wrote, it may very well be a general
calibration problem, maybe I should check for some kind of general
calibration procedure?
Step 1: measure the PSU voltages and compare them with those in the service manual.
Step 2: look at the A5 control board for corrosion from capacitors.
Step 3: there are two key voltages on the A5 board upon which all other controls depend. Ensure those are correct.

The latter two are well described elsewhere in this forum and on many websites.

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