Sanyo DS25380 Vertical Problem

Rob: You probably missed a cap or two.... re-check your work. If you suspect the yoke you should ring-test it. electricitym

How do you ring test a vertical yoke? Every one that I have ever tested has no more than 4 rings with either of 3 Sencore units that I have. I have never found this to be an effective way of evaluating vertical yokes. How do you do it?

If a yoke is working and the problem is linearity, the problem is almost always going to be a bad cap.

Leonard

Leonard: If you ring-test a yoke with a shorted turn and compare the results with a good yoke you can see the difference immediately...... a yoke with a shorted turn will have lower amplitude rings and be quite obvious when compared to a good yoke. I always keep a good yoke handy in my junk box for this reason. electricitym . .

I think it's the vertical yoke that has a parallel resistor that has to be taken out-of-circuit before an accurate ring test is possible.

Tom

Thanks for all the help on the vertical problem, I seem to be finding a lot of dried up caps. I think where unit was located, it didn`t have much ventilation and it had alot of dust. Rob