UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post - Uher CR 240 adjustments

Uncle Bulgaria · 16th Nov 2020, 8:41 pm

Good thinking, Lawrence. Alas I've got the same trace on both my newly re-capped Tektronix 2445 and the Crotech 3131. I've gone through the Tektronix manual's calibration checklist and it checks out as far as the calibration signal goes (same spacing on a variety of time intervals etc.) This is the calibration signal showing that a square wave is possible.

16th Nov 2020, 8:41 pm	#7
Uncle Bulgaria Nonode Join Date: May 2016 Location: Cornwall, UK. Posts: 2,339	Re: Uher CR 240 adjustments - operating point and hub tension Good thinking, Lawrence. Alas I've got the same trace on both my newly re-capped Tektronix 2445 and the Crotech 3131. I've gone through the Tektronix manual's calibration checklist and it checks out as far as the calibration signal goes (same spacing on a variety of time intervals etc.) This is the calibration signal showing that a square wave is possible. Attached Thumbnails