Trouble shooting electronic components

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thank you to your support

The introduction in capacitors is intresting, but it misses some practical insights. Do you know that electrolytic capacitors can be inspected visually? The newer versions can be inspected on top. If the top is domed, the capacitor should be replaced. (mind voltage, cap value and polarity) Older versions can be inspected on the bottom. If there are signs of leakage, replace it! It is also good to know (especially for lovers of vintage amplifiers) that capacitors have a lifetime of 20 years. For some high-quality vintage amplifiers (such as Quad 303) uk-based companies provide replacement sets. (solder skills required)

good article, I learned a lot about capacitors from it

This is a good article, which is very helpful for me to learn capacitance.

after reading this article, I know all troubles that will be appeared in shooting electronic components and how to deal with these trouble.

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detailed introduction allows me to know how to shooting trouble , when test electronic component . <a href="https://www.censtry.com">electronic components</a>

after reading, you let me know how to deal with the trouble and what kinds of trouble will be appeared when we use above electronic component. this is really helpful for me

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what about the tantalum capacitors that you can't determine its capacitance, i have aboard of power beam m5 and i tried to check it, but still need it's schematic diagram for details, and the company refused my request.

I have old Panasonic 42" Viera plasma th42pv8h tv. One day to other i can't turn on. Switch on TV, led blinking green fast and started blinkin 10 times red. First switch on get a popping sound whitout smoke. I want to fix if it can be. Help somebody or ask a tip, Thank you! i connect the all cable and all prot but not worcking

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After reading this article, I learned how to deal with capacitor failure

Enjoyed your well described and informative inpu

Thank you of guidance

Helpful guide!

This is a really useful breakdown for beginners who often hear "check it with a multimeter" but don’t know where to start. A few additional tips:

For out-of-circuit testing with a multimeter (in resistance mode): A good capacitor should start near zero ohms and then climb toward infinity as it charges. If it stays at zero, it’s shorted; if it reads infinite immediately, it’s open.

Leakage test (for electrolytics): Older capacitors often fail by leaking electrolyte, visible as crusty residue near the leads. Always check for physical signs of damage.

Safety first: Large capacitors (especially in power supplies) can hold dangerous voltage even when unplugged. Always discharge them safely (e.g., with a resistor) before testing.

For anyone diving deeper, a cheap component tester (like the $20 "Transistor Tester" modules on eBay) can measure capacitance, ESR, and even identify other components—super handy for troubleshooting!

Thanks for sharing this knowledge! 🚀

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It is of great help