The KR3600-070, Apple Part Number 331-0931-B, is the Keyboard Encoder IC for the II and II+ keyboards. We have limited stock of this IC. When sold out the only option will be the SuperEncoder from Briel Computers which we also will be re-releasing.
Note: The IC your receive may be different than the one pictured. All are 100% tested and guaranteed to work.
Be sure to reinstall your keyboard cable correctly or damage will occur to your Encoder module, including the this IC. If you have installed the cable backwards or suspect your Encoder module is broken you can contact Support to inquire about repair costs which include testing.