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Vintage Sanyo RM-5100 radio alarm clock from 1982. In great condition and working order, apart from the buttons. One would have to press quite hard to get a response from the buttons. Classic symptoms of the conductive layer under the keypad no longer functioning. A quick test on each pad revealed about 1.4k Ohms. Way too high! The ButtonWorx solution to fixing this issue is simple, clean and effective.
