If there are still error too, blow up all keytonenya the image below in the circle
Usually in this way keypad will return to normal, the most important fact is blow earlier keytone (circled in the picture above) .And usually many other blogs just simply throw diodes -dioda in terms of volume, usually the way it works, but a more complete again if you have already disposed of the blow-board diodes all keytone.
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