This solution exactly shows the connection line paths of the touchscreen pin connector of the Nokia C7-00 PCB board layout. You may only need to check its corresponding pinouts if the connection were already cut-off or have an open circuit, then solder a jumper on it, for it is only the options.
Nokia C7-00 Touchscreen Pin Connector Jumper Solution |
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Jut also check out all the corresponding components where the particular pins is connected for it will also cause the problem if already damaged or corroded. The two coils are for the touchscreen supply voltages 1.8V and 2.8V , the corresponding resistors are for the touch screen data signal filters which has a rated value of 100ohms each. So, thats it and hope this helps to you on fixing Nokia C7-00 touchscreen problem.
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