Question about Sony ECM-MS957 Professional Microphone

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Battery corroded inside microphone

I took out my microphone after quite a while of not using it... it had been left on with the battery inside, and the battery had corroded. Now it doesn't seem to be working. Is there a way to clean the contacts so that it can work again, or do I have a (very nice) ruined microphone?

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My experience with repairing Sony microphones for a television station is that once the battery corrosion eats the copper anywhere within the mic, the circuit (not the mic) is toast. I would send it in to Sony direct as they will have the parts and expertise to turn this around quickly for you.

Posted on Oct 30, 2006


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Batteries left inside

Hey profseverus,
I hate being the bearer of bad news, but what is probably going on is that the battery acid has corroded internal components. You could have it looked at by an authorized service technician, and see how much it would cost to get fixed. I don't know how thorough you were with your cleaning, but you definitely want to get all corrosion out of the battery compartment (try using rubbing alcohol and cotton swabs).

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