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by MGA
Wed Jul 10, 2019 3:05 pm
Forum: Hardware issues
Topic: Improved Keyboard????
Replies: 22
Views: 7189

Re: Improved Keyboard????

The problem has been identified. It seems the metal sheets from which the metal domes were stamped weren't cleaned properly. An oil film prevents reliable contact. The domes and the contact area on the PCB can be cleaned, which significantly improves the reliability. We encourage anybody having suc...