These sockets are new parts to replace part numbers DKN1576 / DKN1650 and are the rear mounted RJ45 socket used to link the CDJ's together. The circuit reference on CDJ2000 & CDJ900 is JA1301 & JA702 on CDJ2000 Nexus, they are fitted to the "Main" PCB / circuit board which is part number DWG1660 on CDJ2000, DWX3312 on CDJ2000 Nexus and DWX3019 on CDJ900.
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