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这个步骤还没有翻译 帮忙翻译一下
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The rear cover wouldn't pull off, even when prying with my "spudger". I didn't want to break the tablet (yet). Then I noticed the round white spot. I scraped away the brittle white paint, exposing another phillips screw, and removed it. (There goes my warranty! They made it tamper evident.)
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这个步骤还没有翻译 帮忙翻译一下
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With the hidden screw removed, the rear cover easily slides off. Push it towards the bottom of the tablet with your thumbs. It moves 1/4 inch and stops, shown in the second picture. Then it is freely lifted off the back.
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Sorry for the blurry pictures. My photos get sharper as we go along. Really
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这个步骤还没有翻译 帮忙翻译一下
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With the main back cover off, there are lots of phillips screws scattered around the case, surrounding the battery. I counted 10 more screws.
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1 at the tablet's top above the battery, 3 across (2 small and 1 tiny), 2 across at the midpoint of the battery, 2 across, and 2 across below the battery at the tablet's bottom.
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这个步骤还没有翻译 帮忙翻译一下
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The battery has 5 wires, 2 red hot wire, 2 black ground, and 1 white. I assume the white is used by the cpu to monitor charging? battery temperature?
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I measured 3.9 VDC red-black on battery power, and 4.1 VDC when the battery was charging through its USB port.
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And 3.9 VDC red-white on battery power, 2.7 VDC when charging. While white-black was 0.0 VDC on battery, and 1.3 VDC when charging.
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There's one phillips screw in the middle of the motherboard, near to where the battery was. Remove that and then the circuit board pries apart. It's a tight fit, but with the screw removed it's just a friction fit.
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And there it is flopped over on it's back, still attached by ribbon cables.
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The tablet's screen is tightly held in the plastic case. I tried prying it apart, but didn't want to crack it. You can see the metal backing, this screen is heavy with all that metal. I stopped here so that I wouldn't break the glass on the front.
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I really wanted to see if the screen was usable in a future project. But the ribbon cable connections looked proprietary, so I'm not hopeful.
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