here's the solution for nokia 7510s keypad problems. This solution shows
the complete connection of each keypad keys for easy tracing and
troubleshooting keypad failure on the device.
And this solution shows as guide on handling the keypad filter IC.
Nokia 1800 and Nokia 1616 Charging problem solution
Nokia 7510s keypad keys connections
And this solution shows as guide on handling the keypad filter IC.
Nokia 7510s keypad IC internal circuit line paths
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