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Sharp zq190 personal organiser has bits of lines missing on the display,i have 2 of these both same problem

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Try removing battery and putting it back, even if this wont probably ficx it

From description it looks like the LCD display ribbon cable and connector inside the problem had moved or is out from place, the phone must be taken apart to fix this.

Posted on Oct 03, 2008

  • Ginko
    Ginko Oct 03, 2008

    The problem is eithe the flat ribbon cable connecting the LCD inside the phone, The LCD ribbon cable connector, or a faulty LCD display.

    To fix this the phone must be taken apart, the ribbon cable unplugged from display and fit back in place.

    If it does make no difference, then the cable must be tested and eventually replaced.

    If still no joy, the PDA LCD must be replaced, this is also a relatively not expensive part.

    In rare occasions this problem (lines on screen) may be caused by a defective video controller chip. In this case repair is expensive, as you have to replace whole PDA mainboard. This does not happen very often.

    If the PDA is still under guaranty, then call Sharp, using the phone number listed on the owner manual, and use the warranty to repair it.

    If unit is out of warranty, then go to a phone repair shop, and ask a quote for repair, probably it is just the screen cable to be replaced.


  • Ginko
    Ginko Oct 03, 2008

    Note if the bit of lines are static black lines, then what must be replaced is the display.

    If they vibrate or change of position, then it is the LCD ribbon cable.

    Call also Sharp at the number listed on user manual, if you have two PDAs of same model in same condition, it can also be a factory defect on the specific model.

    In this case, if Sharp acknowledges that they are defective from factory, they may offer to repair them for free, even if guaranty is expired.


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