Quote:
Originally Posted by Chris K
I need to do some troubleshooting on the vertical centering pot. I got what felt like a nasty 117V AC shock when I moved it. The pot is just below the AC male socket on the chassis. Don't know what's going on there. I'll need to look at the vertical deflection circuit in the schematic but does anyone have any off the top of the head ideas what might be wrong with this?...other than a lousy pot! I checked all of the pots for ohm values and they all seemed to be ok but maybe I missed something.
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The centering pots are elevated to deflection plate potential (about 2 kV)...is the vertical centering pot missing its insulting “knob” ?
jr