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Zenith Color Roundie Alignment with B&K 415
Looking for some help and hope maybe this thread will help others in the future. I have repaired a Zenith 25MC33 chassis to working condition. I would like to go through the exercise of alignment, or at lease the motions to see where it is at. I understand care is needed and there is risk of making things worse. With that out of the way I have the SAMS folder and the Zenith CM-106 service manual, also the B&K 415 instruction Manual.
I am trying to start with IF and Trap alignment but immediately am stuck. Probably a simple setup mistake but so far I get no measurable signal on the oscilloscope. Making changes to the B&K 415 has no affect. Per the instructions here is what I have done:
The last pic is measuring at test point C1 while operation normally with a cross hatch video signal. B&K 415 Setup Zenith CM-106 Directions Scope: |
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