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Electronic control and sewing machine drive
Description of PCB plugs (S373 020002)
Pic. 50: PCB
(1) - PCB S373 020002
Description of connectors:
R1autoselect resistor
X11machine interface
X12button panel
X13NK - needle cooling+24V - power supply
VR - backtackingFL - foot lifting
FA - thread trimmingFSPL - tread tension
FW - thread wiperTWA - Puller
X14light barrier
Solenoids and ventils of the socket X13 are always connected against
+24V.
Service Instructions 52Xi, 52Xi-75 - 03.0 - 09/2023
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