Question about Braun Syncro 7570 Electric Shaver
Do I need to replace the whole shaver or can I replace just the battery?
Yes, you can replace just the batteries. It's fairly common that the motor will last far longer than the batteries, so you can purchase them separately and install them. You can usually find them at about $12 a piece on "that auction site." Here are the instructions:
Opening a Braun 7000 Series Shaver
1) Find a thin metal object with no sharp edges (such as a nail file). Use your thumb and pull on the bottom end cord socket part, enough to cause a gap between it and the back shell. Insert the metal object into the gap in the center of the part. THEN pry it off. If you use a regular screw driver, you will likely cause gouges in the plastic. And the best leverage is in the center.
2) The silver side parts are held on by two tabs at the top. With the bottom piece gone, the side parts swing off easily. Don't worry about keeping track of which sides the silver trim pieces go on, as they're designed to fit on only one side (you'll see the cutout for the shaver head stem is off to one side).
3) The case is held together by 4 small torq screws. Use a torq screwdriver--do not attempt to do this with anything else. Be careful to turn the screws slowly, so you don't strip them.
4) With the screws removed, the two halves of the shaver will come apart. The remaining parts can be extracted without any special tools. Keep note of how they are removed, as assembly will be the reversal of removal.
5) Note that if you are replacing the batteries (there are two of them), you will need a soldering iron to detach them from the circuit board, unless you're replacing the whole part.
6) Reassembly is pretty much what you expect--the reverse of disassembly. However, the bottom cord socket part is tricky to get put into place. Pushing straight down on this part will not get it to go in, nor any other obvious way. It's best to get the prongs inserted on one side, then while pushing in on the prongs of the opposite side, apply pressure on the top side surfaces. The part should snap right back into place.
Posted on May 23, 2009
This fixed mine. i noticed in instruction manual i copied off web that the base will completely discharge the shaver and then recarge it. its the nature of this battery type to accept a smaller charge each time. ignore the base. use or run the razor until lcd says empty. recharge useing shaver cord not base for 4 hours ignore lcd. i did this 5 times and the 6th time it took a charge and ran for 47 minutes. if this doesnt fix all you have wasted is a little time. ps if you do neeed to replace battery in razor cause its worn out, you will have to replace also the circuit that the battery is mounted on. why i donna know. good luck.
Posted on Oct 08, 2008
If the "reset" described didn't work all that well, as a last resort you can replace the batteries. You have two choices: put in a battery/circuit-board part replacement (drop in), or solder in new batteries. If you've got some soldering experience, I recommend replacing just the batteries. You can buy new NiMH AA 1.2v flat top batteries rather cheaply (less than $4 per cell) and using a soldering iron, take out the old ones and secure the new ones. Look for batteries with at least a 1650mAh rating. Good luck!
Posted on Oct 22, 2009
Testimonial: "I believe this is a more viable solution. I will try your advice this weekend. Thanks,."
SOURCE: My Braun 7526 shaver will
If the unit still works but just doesn't hold a charge well, you can just change the batteries. It is much less expensive to do this. You will find compatible batteries at shaveroutlet.com. You will need two. See link below. Scroll down the page for helpful video instructions
The PC board for your model has been discontinued by the manufacturer. You may be able to find a store on-line that still has some old stock on hand if you prefer to change the whole board
Posted on Jul 27, 2011
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