Nokia 1202 1203 key pad track ways

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in this diagram all keypad ways of nokia 1202 and 1203 are shown so check this diagram given bellow and in it you can see all tracks are shown in different colors all links are cumming to keypad point from keypad ic points.if any keys are not working you can check the continuity with meter and if any keys of them are not working make jumpers as shown in this diagram.