crwdns2934241:0crwdne2934241:0 Joseph Mueller

crwdns2934249:0crwdne2934249:0:

I have the exact same problem with my Casio PT-100 I got at goodwill. Took it apart and found that the diode is completely broken off and missing. I am guessing the diode is your issue as well.

crwdns2915684:0crwdne2915684:0:

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