SB-221 ZD-1

[Tom Elmore]

            I may have mistakenly gotten the description of the Zener diode in my SB-221 mixed up in an earlier post. While I was reinstalling the HV transformer yesterday I noticed what I thought was ZD-1 missing on the circuit board behind the metering panel. There is a stud mounted diode mounted to the left of the metering board perhaps this is ZD-1 ? The particular diode I thought was ZD-1 is not part of the HV rectifier string and 
will have to take another look see as to what it is.





-Tom / KA1NVZ

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