New touch panel needed…

New touch panel needed…

TechTablets Forums Chuwi Forums Chuwi Hi12 Forum New touch panel needed…

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  • #66388
    Christopher
    Participant
    • Posts: 33

    Hello Dutchy, have a new chuwi Hi 12 that came with a defective display (missing section). Every other thing works %100. Willing to sell the touch screen to you. it still has the outer removable screen film. if interested contact me

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    #67329
    Dutchy
    Participant
    • Posts: 13

    Thanks for the offer, Chris, but I’d rather not buy one used. Mainly because shipping will probably exceed the part cost.

    Anyway, I ordered one from aliexpress. This one:

    https://www.aliexpress.com/snapshot/0.html?orderId=502518695226508&productId=32797182268

    It looks the same as the original, has the same numbers, does not include the adhesive tape for sticking it in place, though, so I’m waiting on that to glue it in.

    But I am very fearful, because while disassembling I was very careful, yet still the flatcable had come loose.

    I had no idea how it was constructed, so I took the blowdryer to the thing to loosen the glass and pry it off first. That worked, but I couldn’t access the motherboard. Had to take out the chassis, four screws and unclick it all around to take out. I guess, as careful as I was, the flat cable still got stressed so far that it got pulled from the connector. The little black lever on the connector was flat, but it fell off as soon as I, again very carefully, flipped it open. So now it doesn’t hold on to the cable anymore. The lever hinges on the connector, it looks as if the lever is still intact, but where it hinges on connector is pulled out in towards the back. So not upwards. I can’t figure how I could have broken it. In this HI12 all but one flatcable connector have glue on the ends. I saw some gut shots of others that didn’t have that.

    I’ve inserted the flatcable and taped it in place, but the screen did not respond when I tried. Don’t know what to do. soldering a new connector is way outside my capabilities.

     

    I’m not new to electronics repair, opened up my iPad and several notebooks without problems. Even resoldered a surface mount resistor that had been knocked off of a graphics card.

    #69338
    Dutchy
    Participant
    • Posts: 13

    Happy to report that a repair shop could clean and reposition the contacts in the connector.

    Digitizer still didn’t work, but re-installing the Goodix drivers did the trick! I now have a fully functioning hi12 again!

     

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