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Tek 2465B Calibrator issues


 

Hi everyone,

I bought some time ago (2017) a TEK 2465B that I didn't have too much time to play with (having 2 kids and a travelling job doesn't help!)
I have been toying with it lately, and I've discovered that the calibrator is showing some really awful square signal.

It's clearly NOT square ! It has quite a bit of slope in the rise and fall lines, and bouncing on the high level.
I have checked and both the output levels and frequency seem to be OK, but somehow the signal is distorted.

Could it be some capacitor? Looking at the service manual it shows to be in the A1 board, section 5 (That should be in the middle left side, am I right?)

Any help would be appreciated !

Cheers,
Marcial

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