Posts: 145
Threads: 40
Joined: Oct 2005
The problem was the plastic foil under the batteries. After cleaning the key several times with isopropilic alcohol I didn´t get any result until I forgot placing that foil. It seems this element produced any bad contact. So I made the hole for the contacts 1 mm wider and now everything works. YAHOO!!! (and I have the cleanest user key of the world).
This is the first time I open a halfnut. Although it works fantastic it seems it has been serviced. There are two diodes and a capacitor soldered one over the other on one side. I see also red wire connecting two points. Has anybody a photograph of one of these calcs opened. In the main page I have only found a fullnut inner photographs.
Jon
Posts: 909
Threads: 40
Joined: Jan 1970
Maybe that's because when we first go to the machine, we turn it on and whatever bits are on our fingertips fall off and into the gaps around the On/User switch.