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The Sony MDR-RF985RK and others with proprietary batteries

post #1 of 3
Thread Starter 

I need a respectable pair of general-purpose headphones, and one of the Sony MDR-RF985RKs that people are unloading on ebay seem to be a perfect choice.  I've never been really stiffed by Sony.

 

Although, that's not to say it couldn't happen.  These cans apparently have non-user-replaceable batteries, and I'm pretty confident that the sets on ebay are there because they need batteries.

 

Does anyone have any experience with the Sony MDR-RF985RK, and replacing the battery in it?  Is it a battery that is accessible from somewhere like Batteries Plus or Mouser?

 

Thanks

 

Sog

 

PS  I'm going to be throwing a $700 CD player in the trash because the laser diode is worn out and there are no new replacements.  Dig that.  The laser, by the way, was made by Sony.

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post #2 of 3

mdr-rf985rk has a 3.7 v lithium-ion battery, 610mHa (3x4x0.5cm=2x1.5x1/4") that is wired in. Go to L(left) designated side, remove ear cup and three screws (small phillips/star screwdriver) on the inner facing (note positions). Careful! wires are short, then remove one screw on the green CPU-type board (note position of LED lights) under which is a black plastic covered battery pack with two additional silver screws. Either remove battery or cut the red (+) and black (-) wires close to it. Now remove the outer facing with the logo by prying out plastic snaps with flat screwdriver. Feed the red/black wires into outer area via the holes at the perimeter of the chassis. Replace all screws. Find similar battery (which I am unable to locate at present) or wire in an AA or AAA battery holder, fixed at the outside face with tape, etc. Soldering is, of course, best; metallic epoxy might work; and use nickel metal hydrate rechargeable batteries which should perform OK. Forget replacing outer face.... Best....hgh  

post #3 of 3
Thread Starter 

Splendid.  Thank you.

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