Here's the solution for Nokia 1680c and Nokia 1681 classic that unable to Turns ON but it shows charging indication when being charge. This problem may possibly caused by a faulty POWER/END key.
To fix this problem, you may first check the keypad matrix and the keypad membrane for possible oxidation build up, clean it if necessary. If the cleaning does not fix the problem, you may refer to the solution below and trace the power /end key connection line paths.
Locate the capacitor showed and then trace its connection to the inner core of the power key pad. Just manage to apply a jumper wire if the line is cut-off or open. The outer core is connected to the ground lines, check it also. There is also the possibility that this problem occurred is caused by a faulty UEMCLITE IC. reworking or replacing it, only fix the problem.
To fix this problem, you may first check the keypad matrix and the keypad membrane for possible oxidation build up, clean it if necessary. If the cleaning does not fix the problem, you may refer to the solution below and trace the power /end key connection line paths.
Nokia 1680c and 1681c Power Key Connection Tracks
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