Quote:
Originally Posted by old_tv_nut
Don't know aobut the resistor. If you know the correct value, you could measure it, or just replace it as a matter of course.
If those diodes have actual silvered leads, it is normal for them to tarnish over time. Any actual heat damage would likely cause a failure, so if working, leave well enough alone.
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That's the thing. I don't know if they are good or not. With my limited knowledge, I've been able to find the ringing on the ABL. I've learned quite a bit lately from many here, but I can learn only so much via threads in a forum. That leaves me with the only thing I know, replacing components. Since I have no real training in electronics, I don't know if a zener diode in the circuit only works or doesn't work. Or if that diode could be semi-working and allowing the overshoot that is causing the ringing. I also am unsure how ringing and resistors relate or if they do at all.
I have the NOS zener and the resistors will be here on Saturday. I'm just going to replace them all and see if it helps.
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