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    PowerBook Duo 280

    Is this true for all of the duos or just 280? Specifically wondering about 2300c and 230. I do have a photo of the board if you would like it. (280c and 280 use the same logic board)
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    Silk screened text on IIc

    Thanks very much!
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    Silk screened text on IIc

    I know this is a weird request, but can anyone with a IIc take measurements for me on the width and height of all the silkscreened text on the computer itself? I am no longer in the country where my IIc is as I painted it over my Christmas break from university and have since returned to...
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    Mostly successful repaint of my IIc. Needs some more coats and some other work but this is good...

    Mostly successful repaint of my IIc. Needs some more coats and some other work but this is good for now.
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    New PB1xx batteries

    Anyone have information on the runtime of these packs? I want another pack for my 170 and this is higher capacity (and higher quality) than my custom pack I built. Didn’t realize someone sold these pre made.
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    PowerBook Duo 280c display question

    My friend tried the back power button and it still had green light no power. Caps have some dull pads so replacements are needed for those. Hopefully Caps is all it needs. It also had some battery corrosion around the main battery connector but that cleaned up good on the board minus the...
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    PowerBook Duo 280c display question

    Yes it is a 2300 conversion, nice eye. Unfortunately the board is green light no power so needs some work. That will be a whole new can of worms
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    PowerBook Duo 280c display question

    Glad to know that its fixable! I was not sure if it was vinegar syndrome or not. It will surely be a pain but hopefully I can successfully replace the polarizer.
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    PowerBook Duo 280c display question

    I'm about to buy a 280c from a friend, and the display looks a little strange. Before I buy this computer I would like to know if this is a problem and if so, if its fixable. Any ideas on what it may be?
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    Powerbook 2400c inverter

    After several months and a second display and second dead inverter I finally fixed it. Both inverters had a blown F1 fuse. After bridging the fuse (I am ordering a replacement), the inverter is working perfectly again. Maybe that is your issue as well.
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    Powerbook 145b repair attempt needs help

    Maybe you can post a thread on trading asking for anyone that has a spare laptop to give/sell you the part. If I had access to my 145B I would be happy to design a part, but I dont go home until December unfortunately.
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    PowerBook 3400C Battery Rebuild

    Well, now I have a new item to hunt for and some new hope haha. I'm assuming there is some sort of board inside them that needs to be saved?
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    PowerBook 3400C Battery Rebuild

    Oh, so the Ni-MH packs are rebuildable while the lithiums are not? That would make life easier since I can easily rebuild a pack that doesnt brick itself.
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    PowerBook 3400C Battery Rebuild

    Well, there goes my plan. Maybe I can find a working pack to rebuild with some nice high capacity cells then. I will have to keep a lookout for any that come up.
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    PowerBook 3400C Battery Rebuild

    I was able to recell my g4 titanium easily. Did it myself and it didnt brick. Was an aftermarket pack, which is probably the only reason it worked. Maybe i can find an aftermarket pack for the 3400 to see if that would do anything. Honestly if I can find some cells that fit and have similar...
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    PowerBook 3400C Battery Rebuild

    Well, damn. I was really hoping to have my 3400 pack rebuilt at some point since its probably dead. Hopefully they can recell my 2400 since that still seems to hold a charge. Unfortunately I cant find any services like that anywhere near me (closest is in Ontario and I'm in Alberta), otherwise...
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    Powerbook 145b repair attempt needs help

    I managed to kill the cpu board of a 140 by taking it apart 😕. No idea what I did that caused it though. The interconnects really suck in these computers, so far I haven’t managed to kill any of the PowerBooks I have take apart other than that (new cpu board fixed it). It does sound like...
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    Does anybody tried to use Li-Polymer instead of 18650 Li-Ion cells?

    It may be possible if you can keep the BMS alive. It would be more difficult than 18650s since with 18650s, you can just copy the original layout while powering the BMS. With Li-Po packs, you would have to first get cells that fit, then wire them correctly (which would be more challenging), and...
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    2400 clock battery replacement

    Mine boots right up when I plug the battery in so it seems to be fine without the clock battery for that. Very unusual since my duos which aren’t much older need that jump start.
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    2400 clock battery replacement

    It’s a 3 cell. As long as you can find cells that fit inside the little space, you should be able to rebuild/replace the pack. The original pack is about 43mm x 27mm x 8mm
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