crwdns2935425:01crwdne2935425:0
crwdns2931653:01crwdne2931653:0
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Turn the circuit board over.
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Identify the solder connections on the board, marked in red.
crwdns2944171:0crwdnd2944171:0crwdnd2944171:0crwdnd2944171:0crwdne2944171:0