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   sci.electronics.repair      Fixing electronic equipment      124,925 messages   

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   Message 124,665 of 124,925   
   ehsjr to Amanda Ripanykhazov   
   Re: easy earbud battery replacement   
   04 Mar 25 16:15:56   
   
   From: ehsjr@verizon.net   
      
   On 3/3/2025 3:10 PM, Amanda Ripanykhazov wrote:   
   > On 3/3/25 1:24 PM, Liz Tuddenham wrote:   
   >> Amanda Ripanykhazov  wrote:   
   >>   
   >>> On 2/26/25 4:45 AM, Liz Tuddenham wrote:   
   >>>>   
   >>>> Are the battery terminals dirty?  If an invisible film of corrosion has   
   >>>> built up on them, it can create all sorts of fizzing noises.   
   >>>>   
   >>>> The corrosion from alkaline batteries is hard, tenacious and incredibly   
   >>>> difficult to remove if you use conventional organic solvents and   
   >>>> cleaning agents.  The magic substance, which works wonders, is water: a   
   >>>> slightly damp cloth or cotton-wool bud softens the corrosion and wipes   
   >>>> it away.  Clean the terminals on both the battery and in the device,   
   >>>> then make sure they are completely dry before putting the battery back   
   >>>> in.   
   >>>>   
   >>>>   
   >>> No, the terminals on both the new batteries and the old ones (when i put   
   >>> them back in) seem reasonably clean.   
   >>   
   >> The corrosion is invisible, so a clean-lookig terminal may still have a   
   >> semi-insulating layer which is too hard to rub or scrape off without   
   >> damaging the plating.   
   >>   
   >>   
   >>   >And bluetooth is working.  I can   
   >>> see the signal working fine on boTH sets of cells and I can even get a   
   >>> remaining battery per cent reading!   
   >>>   
   >>> But still no sound.   
   >>   
   >> I thought the problem was fizzing noises, not no sound at all.   
   >>   
   > g   
   > First everything worked for two days after changing the battery.  Then   
   > one side started to give the high pitched whine. Then the sound on that   
   > side died. completely.   
   >   
   > During this perood of  testing, I noticed that the new batteries only   
   > lasted an hour or so.   
   >   
   > So I put the original batter daies back in.  The dead side is no better   
   > but after 4-5 days,  the one working side went dead.   
   > Mind you, - even when dead with no sound, bothbuds report power properly   
   > on the bt side!   
   >   
   > Then yesterday, the sound on the working side went dead!   
      
   Could be earwax buildup in the buds.  Builds up slowly over months at   
   roughly the same - but not _identical_ - rate in each side. That seems   
   to match your symptoms with the original batteries: first one dies,   
   then after some indeterminate elapsed time the other dies with no   
   sound but batteries measure good.   
      
   Ed   
      
   --- SoupGate-DOS v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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