I'm not experienced in electronics or soldering.
I find myself soldering the components of a PCB from a mechanical keyboard, all right and smoothly, except for two keys.
When I use the multimeter in
V mode over the diodes, they all return values like ~1.628 V. When I do it over the two ends of the hot-swappable switch, the value amounts to ~2.794V.
However, on these two keys that don't work, neither the diode nor the switch gives a value, so I take it for granted that the problem is in the diode.
I have tested the diodes individually using ohm mode, and the value in all is ~66.1, including those that give apparently error, so I can conclude that the diode works.
The diodes are through hole type. Each key shares section for the holes diodes and for SMD diodes. In my case, I bought the through hole parts.
I have several questions:
- How can I corroborate that the problem is the board connector for the through hole diodes?
- Can I use, in this particular key and only and SMD diode?
- Can I solder a through hole diode on the board for SMD?
What is the best solution?