Restoring 1220, 1225 and 1230 keypad: Difference between revisions

Restoring 1220, 1225 and 1230 keypad (view source)

4 bytes added , 14 November 2020

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 [[Image:Bounce(5).jpg|thumb|right|250px|(Pic4) Keypad switches]]
 * '''WARNING!''' When taking the analyzer apart, users are at there own risk! The inside contains lethal voltages and precaution must be taken.
-*The switches that the keypad uses are still being manufactured today. They are C&K D6L90F1LFS. There is also the D6L90F2LFS, they are the exact same except the force required to push the buttons. One takes 1.3 Newtons and the other 2 Newtons (Pic3). The key pad has 26 of them. Replacing them with new ones will fix the excessive bouncing. When de-soldering the switches one has to be careful of burning the PCB and lifting pads because the traces are very small.
+*The switches that the keypad uses are still being manufactured today. They are C&K D6L90F1LFS and the D6L90F2LFS, they are the exact same. The difference being the force required to push the buttons. One takes 1.3 Newtons and the other 2 Newtons (Pic3). The key pad has 26 of them. Replacing them with new ones will fix the excessive bouncing. When de-soldering the switches one has to be careful of burning the PCB and lifting pads because the traces are very small.
 :&rarr; [[Media:D6L90F1LFS.pdf|Datasheet for D6L90F1LFS and D6L90F2LFS ]]