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Old 09-09-2021, 09:22 PM   #2
underscore
Need to Shave n Shower, but I CANT STOP POSTING ON RS
 
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If the keys that aren't faulty can be bridged before the diode, and work, what are the diodes for?

Do you have a multimeter with a diode test function?

Is there anything that the faulty keys have in common (ie using the same row or column)?

Are you sure there isn't a short somewhere? That's a lot of exposed metal in close proximity.

Also I'd really suggest getting solder on all the connections. Alternatively use test leads with alligator clips so you're getting some pressure on there. Loosely twisted wires are a recipe for problems.
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