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AB528 Microphone preamplifier
AB528
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Topic: AB528
October 04, 2022, 10:07:18 PM
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Perry
Newbie
Posts: 4
Karma: +0/-0
AB528
My next step in the build is the three Relays. They are 10 pin relay and there is 10 holes in the PCB, BUT two of the holes have no metal ring to them. Do i solder them anyway or do i skip the two last pins on the relay?
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October 10, 2022, 08:44:47 AM
Reply #1
JPK
Administrator
Hero Member
Posts: 1085
Karma: +35/-0
Re: AB528
You must skip the holes without a pad. These pins are unused. Leaving them unsoldered will make it easier if you ever need to replace the relay in the future.
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JPK
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AB528 Microphone preamplifier
AB528
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