–4–
(5) Connecting the cords
FollowingconnectorsarepreparedonthefrontfaceofSC-90.Connecttheconnectorscomingfromthe
machine head to the corresponding places so as to fit the devices mounted on the machine head.
1
CN30 Synchronizer:itdetectstheneedlebar
position.
2
CN35 CP-60panel:Variouskindsofprogrammed
sewingcanbeexecuted.
(RefertotheInstructionManualforeachpanel
forthedetailsoffunctions.)
3
CN33 Notused
4
CN3 Machineheadconnector4P
5
CN42 Externalinput/outputconnector:input/
outputofup/downdetectionsignal,rotation
prohibitionsignal,etc.isprepared.
6
CN48 Safetyswitch(standard):Whentiltingthe
sewingmachinewithoutturningthepower
OFF,theoperationofthesewingmachineis
prohibitedsoastoprotectagainstdanger.
Optionalswitch:bychangingovertheinternal
functions,6kindsoffunctionscanbeselected.
7
CN40 Presserfootliftersolenoid.(Forautomatic
presserfootliftertypeonly)
8
CN46 Machineheadsolenid:Threadtrimming,
reverse-stitchingsolenoid,touch-backswitch,
etc.
9
CN47 Optionalcircuitboardconnectionconnector:
RequiredwhenusingJUKIstandardbobbin
threadremainingamountdetectionsensor,
etc.
!0
CN38,CN39
Motorsignalconnector
!1
CN32 Standingmachinepedal:JUKIstandard
PK-70,etc.Sewingmachinecanbecontrolled
withtheexternalsignal.
!2
CN34 IP-0panel(LCDpanel):Variouskindsof
programmedsewingcanbeexecuted.
!3
CN45 MaterialenddetectionsensorED-4,etc.
!4
CN43 FAN
* Byaddingthisunit(optionalunitB),themachine
canbeusedas-needle,bottomandvariable
topfeedlockstitchmachinewithautomatic
threadtrimmer.
!5
CN32 ShirringLED,bottomfeedamount
!6
CN33 Externalshirringinput
!7
CN34 Topfeedamount
!8
CN39 Steppingmotorcontrol
!9
CN4 Up/downdetection,threadtrimming,reverse
feedstitching
@0
CN38 Shirringreleaseinput(extremeleft)
1
8
2
3
7
4
5
6
!0
!1
9
!3
!4
!2
!0
!5
!6
!7
!8
!9
@0
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.
Optional unit b
(KT-01(EPF) p.c.b. A (asm.))