Great video.I made a probe with a pen case and a cap with a copper nail as the probe part. You have prompted me to look at my friends Heathkit receiver with schematic.we shall see.....☺
I came from the first video nice demonstration i have some polyester and ceramic caps rated at 1KV but with low capacitance 0.001uF and 0.002uF and one polyester capacitor rated at 400V 0.047uF i will try different ones on the probe and see the result
Thanks for watching my videos! I have had good results with the .1 uf cap. So far it’s held up well and protected the tester amp with no problems. Next I would like to build a capacitor discharge probe.
Thanks man! I appreciate that! It’s definitely easier to use then chasing mA voltages. Once the problem has been detected then the multimeter and transistor tester can do the rest of the deep diving.
wait, did i miss something? so you got a mono guitar cable spliced into a pair of DVOM test leads with a de-coupling Cap. across the pos. & neg. leads? is that correct? an electrolytic, ceremic, poly film? & what size? volts & uF ? i must be losing it. bc i never heard, also it would have been great if you had it out of the ele. tape or shrink tubing , so we could see how & what you have there.... i know, i feel the pain, for some reason they are awful proud of that shrink tubing, 🙅🏻♂️ i put that stuff on everything, im about going broke over it. i shrink my project wires up all nice & pretty & then the d`*mn circuit fails.... lmao.... i guess i need to just put new strings on & stick to playing on the guitar
@@guitarman_3693 thanks for the questions and comments! I made a video of building the circuit tracer. It may explain some of your questions. Super simple useful tool for the bench.
Thanks. I put together a similar probe after watching this video (small headphone amp with spliced RCA cable with the positive lead connected to capacitor and alligator wires for both; used an Android signal generator app also). Anything specific to watch out for when tracing eyelet board pedal builds? I have more parts coming today. The bypass for my build works fine but no signal from any part of the eyelet board. Have a good one.
I don’t think it will hurt anything poking around on a pedal circuit. I would start by probing the input signal. Then follow the signal path until you loose it and possibly take some voltage readings in the area of trouble. Hopefully it will be something simple like a backwards capacitor or crossed wiring.
That is a valid question given the title. I built it to test mainly amp circuits and thought it would be easy to show how it works on a simple pedal circuit. I will make a video showing how to use it on an amp coming up soon.
I've built a signal tracer & burned 2 little amps because I believe an impedance mismatch. So I incorporated a transformer to correct the impedance. ruclips.net/video/ML1-LNIwwVc/видео.html
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Love the tester build and the testing procedure. Excellent job and thanks for sharing.
@@cuinoz3569 thank you! I appreciate that.
Great video.I made a probe with a pen case and a cap with a copper nail as the probe part. You have prompted me to look at my friends Heathkit receiver with schematic.we shall see.....☺
I came from the first video nice demonstration i have some polyester and ceramic caps rated at 1KV but with low capacitance 0.001uF and 0.002uF and one polyester capacitor rated at 400V 0.047uF i will try different ones on the probe and see the result
Thanks for watching my videos! I have had good results with the .1 uf cap. So far it’s held up well and protected the tester amp with no problems. Next I would like to build a capacitor discharge probe.
Very cool dude! Simple but genious.
Thanks man! I appreciate that! It’s definitely easier to use then chasing mA voltages. Once the problem has been detected then the multimeter and transistor tester can do the rest of the deep diving.
Well done buddy pretty cool tbh man
Thanks Brother!!
wait, did i miss something? so you got a mono guitar cable spliced into a pair of DVOM test leads with a de-coupling Cap. across the pos. & neg. leads? is that correct? an electrolytic, ceremic, poly film? & what size? volts & uF ? i must be losing it. bc i never heard, also it would have been great if you had it out of the ele. tape or shrink tubing , so we could see how & what you have there.... i know, i feel the pain, for some reason they are awful proud of that shrink tubing, 🙅🏻♂️ i put that stuff on everything, im about going broke over it. i shrink my project wires up all nice & pretty & then the d`*mn circuit fails....
lmao.... i guess i need to just put new strings on & stick to playing on the guitar
@@guitarman_3693 thanks for the questions and comments! I made a video of building the circuit tracer. It may explain some of your questions. Super simple useful tool for the bench.
@@guitarman_3693 ruclips.net/video/JLYqoxG_3ro/видео.htmlsi=5nru_xne677qrdaT
Thanks. I put together a similar probe after watching this video (small headphone amp with spliced RCA cable with the positive lead connected to capacitor and alligator wires for both; used an Android signal generator app also). Anything specific to watch out for when tracing eyelet board pedal builds? I have more parts coming today. The bypass for my build works fine but no signal from any part of the eyelet board. Have a good one.
I don’t think it will hurt anything poking around on a pedal circuit. I would start by probing the input signal. Then follow the signal path until you loose it and possibly take some voltage readings in the area of trouble. Hopefully it will be something simple like a backwards capacitor or crossed wiring.
@@AlYoung Ok, I'll give that a shot. Thanks!
Good Idea. Thankyou.
You are most welcome!
How do you apply it to an amp, not through a pedal?
That is a valid question given the title. I built it to test mainly amp circuits and thought it would be easy to show how it works on a simple pedal circuit. I will make a video showing how to use it on an amp coming up soon.
Very cool
Thanks Kevin!
I've built a signal tracer & burned 2 little amps because I believe an impedance mismatch. So I incorporated a transformer to correct the impedance. ruclips.net/video/ML1-LNIwwVc/видео.html