Logitech Soundman X2 speakers work then don't

I have a pair of Logitech Soundman X2 speakers which I love!!

And had them for a year or two (not sure)

Anyway yesterday I turned on my PC and no sound at all from them not even brackground hiss or anything when volume was on full. But the LED turned from yellow to greena nd it all looked good.

I tried puttin git on my walkman and nothing and new input cable and nothing.

I moved the cables to check for loose fitting and nothing.

Then this morning I tried agian and it all worked!!

But now 12 hours later I heard a crack fromthe speakers and then no sound at all - I wasn't playing anything at the time.

Any ideas what the problem might be?

Like some sort of capacitor problem or something, maybe that's why after leaving it off over night it worked?

All this time the speakers were connected to my UPS so no power surge problems should have been possible.

I tried again this morning after the speakers stopped working and they'r working again. Any ideas what could be wrong?

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De
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Does cold solder mean the same thing as a dry joint?

i.e. where the solder is sort of hollow on the inside?

I did play the speakers today and they worked and then they stopped after 10 minutes so I tapped the base unit gently and it started again, tapped it again and ti tstopped and then couldn't get it to work again after that.

I don't think it the acual connections at the back cos I've tries those and not crackle or anything when they are moved. And plus I never really remove them and unplug them.

Only thing I can think it to go over the joints with a soldering iron - will find out tomorrow if it's covered by the Logitech warranty but doubt it - cos I think the speaker are actually older then I thought.

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De

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