Re: Sony Wireless Headphones MDR-RF820
Well, it's wasn't for nothing. Without having the proper test equipment, there was simply no way to know if they were the problem or not.
On that note, just because your multimeter shows they have good capacitance doesn't mean their ESR is good. And when the ESR is too high, the cap is as good as dead. So keep that in mind when testing caps, as I have a glass full of small caps that read "good" capacitance but terrible ESR. Most of them were startup caps that came from "dead" power supplies . Needless to say, these caps were the problem for with those power supplies. So don't rely on the capacitance reading alone.
That said, your caps were probably good. But gain, there was just no way to know without eliminating them first.
I'll have to have a look again at what I wrote, as I've forgotten most of my ideas. Might take me a few days or more as I have some things to do tomorrow and next week.
Originally posted by UserXP
View Post
On that note, just because your multimeter shows they have good capacitance doesn't mean their ESR is good. And when the ESR is too high, the cap is as good as dead. So keep that in mind when testing caps, as I have a glass full of small caps that read "good" capacitance but terrible ESR. Most of them were startup caps that came from "dead" power supplies . Needless to say, these caps were the problem for with those power supplies. So don't rely on the capacitance reading alone.
That said, your caps were probably good. But gain, there was just no way to know without eliminating them first.
Originally posted by UserXP
View Post
Comment