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31st October 2008, 03:02 PM
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#1 |
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diyAudio Member
Join Date: Oct 2008
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Solder Mask pattern question
I have a couple PCB's for a Pass pre-amp I bought several years ago off a fellow in Croatia along with a parts list. I sourced the components a while ago and I now have time to assemble the boards.
My question is: I have 4 zenner diodes to drop in. I know the polarity of the diodes, but on the circuit board there are no polarity markings like a + or -. For each diode there is a round through hole and a square through hole. Going off the round vs square through holes, is there a way to tell what the polarity should be on the board? Thanks, pat |
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2nd November 2008, 08:50 PM
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#3 |
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diyAudio Member
Join Date: Oct 2008
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Thanks.
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