Question about Norelco T 900 Beard Trimmer

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T900 problems When I powered the trimmer there was smoke and charge light was not glowing though the trimmer working with residual charge left with battery. where do I get replacement PCB. I feel the IC ZG 11 packed off. please advise

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  • Anonymous Dec 03, 2007

    Same story here. Looks like z6 11 bridge rectifier lost its magic smoke. Any idea how/where I can get a replacement part (same or compatible)?

  • jcwren May 11, 2010

    I just need to replace the battery, but I can't figure out how to open the razor. I have, of course, removed the single screw near the power cord socket, but it feels like there is another under the rubber pad. I'm leary of applying too much force to separate it, since I don't know how it's held together.

    Any ideas?



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I just did this, so I think my steps below are accurate. I couldn't find any complete instructions anywhere online, so I tried to detail every last thing I did.


1. Remove screw.
2. Use a small flat-head screwdriver to pry the front bottom cover off.
3. Remove trimmer head at the very top. It flips open and then pops out.
4. Remove the sheet metal clasp at the top that is between the trimmer head and motor output. This piece also holds the two halves of the body together.
4. Extend the mini-trimmer, then remove it. Pry the plastic loop up over the guide to completely remove it.
5. Turn height adjustment ring all the way past the "9" setting to pop it out of the track. Keep pushing up and turning it to get it as high as possible in order to expose two tabs for the back side of the body.
6. Press the two tabs in to pop the upper body out. Note that there is a small doo-hickey on a spring that locks the adjustment ring in its positions. This located at the back of the razor in a little hole, with the spring end going into the hole and the pointy end facing up to fit into the notches on the adjustment ring. If you lose this piece or hear it rattling around in the razor, now you know what it is and where it needs to go.
7. Now you should be able to see the entire printed circuit board (PCB). There are two gray clips that hold the board to the body, and there are two white clips that hold the battery holder to the PCB. Remove the PCB from the body first (gray clips) and then remove the battery holder from the PCB if necessary (white clips).
8. To replace the battery, you will need a NiCd 1.2V AA size battery with solder tabs. The original was rated for roughly 900mAh, but you should be able to run it with a 600mAh or a 1000mAh. You will need to do some solder work to remove the old one and attach the new one.

I hope this helps!

Posted on Dec 08, 2012

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It doesn´t have any other screw. You should move to the top the mini-trimmer to let the rubber part be free, and you also have two little plastic little "things" (one each side) blocking near the level selector. I opened the unit making a little pressure first from one side and then the other. After that, you still have a way until getting to the battery, but its a nice puzzle. With a little of patience you should get there.
Sorry for my english, its not my native language.

Good luck.

Posted on Nov 08, 2008

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I got mine disassembled thusly:
1. remove single screw
2. extend the mini trimmer
3. grab the rubber depth ring, turn it to 9, then gently but firmly, force it to one more (i.e. as if it had a "10" setting)

that popped the gray retaining ring around the top of the unit free - it all comes apart like a well made puzzle - but goes right back together and works properly.

Posted on Sep 12, 2012

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