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5. CONTROL BOX (SC-920)
(1) Connecting the cords
WARNING :
• To prevent personal injury caused by abrupt start of the sewing machine, carry out the work after
turning OFF the power switch and a lapse of 5 minutes or more.
• To prevent damage of device caused by maloperation and wrong specifications, be sure to
connect all the corresponding connectors to the specified places.
• To prevent personal injury caused by maloperation, be sure to lock the connector with lock.
• As for the details of handling respective devices, read carefully the Instruction Manuals supplied
with the devices before handling the devices.
Following connectors are prepared on the front face of SC-920. Connect the connectors coming from the
machine head to the corresponding places so as to fit the devices mounted on the machine head.
CN30 Motor signal connector
CN38
Operation panel: Various kinds of sewing
can be programmed. (For details of the op-
eration panel other than CP-18, refer to the
Instruction Manual for the panel to be used.)
CN33 Synchronizer : It detects the needle bar
position.
CN37 Presser foot lifting solenoid (Only for the
automatic presser foot lifter type)
CN48 Safety switch (standard) : When tilting the
sewing machine without turning the power
OFF, the operation of the sewing machine is
prohibited so as to protect against danger.
OPTION switch: Input function can be
changed by changing over the internal
function with this switch.
CN42 Thread trimming safety switch
CN39 Standing machine pedal : JUKI standard
PK70, etc. Sewing machine can be con-
trolled w
ith external signals.
CN55 +24 V external power source
CN57 Simplified production control counter input
CN36 Machine head solenoid: Provided with so-
lenoids for thread trimming, reverse feed
stitching, one-touch type reverse feed
switch.
CN54 Material end detection sensor ED-5, etc.
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