JUKI LK-1900B series Engineer's Manual

–93–
No.
Connectorand
othername
Connectiondestination,name Remarks
❶
CN30 FormachineheadINTboard
❷
CN31 SDCpowersupply2
❸
CN32 Notinstalled ForCPUdebugging
❹
CN33 Fan
❺
CN34 Operationpanel
❻
CN36 BRinterface
❼
CN37 SDCsignal
❽
CN38 SDC power supply 1
❾
CN39 ATsolenoid
󱢳
CN40 Pedalsensor
󱢴
CN41 Foroptionpedal Pedalswitch
󱢵
CN42 X-feedmotor
󱢶
CN43 Y-feedmotor
󱢷
CN44 Workclampfoot/threadtrimmingmotor
󱢸
CN45 Threadclampmotor
󱢹
CN46 Airsolenoidvalve1 Forshorterthreadremainingthreadtrimmer/suctionnozzledrive
󱢺
CN47 Materialdrawingsolenoid(LK1901B)
󱢻
CN48 Not used ForCPUwriting
󱢼
CN49 Not used ForPLDwriting
󱢽
CN50 Not used ForDSPwriting
󱢾
CN51 Foroption
󱢿
CN52 Airsolenoidvalve2 For
threadwastesuction
air
󱣀
CN53 Aircylindersensor1 Forcylinderofshorterthreadremainingthreadtrimmerside
󱣁
CN54 Aircylindersensor2 Forcylinderofsuctionnozzleside
󱣂
CN55 Notinstalled
󱣃
DipSW1-1 Forkeylocksetting...GenerallyOFF
[Initialization]
TurnONtheDipSW1-4.ThenturnONthepowerwhilethe
pedalisdepressed,returntothefactorysettingallsuchas
sewingdata,memoryswitchetc.
DipSW1-2 Not used...................GenerallyOFF
DipSW1-3 Not used...................GenerallyOFF
DipSW1-4 Forinitialization.........GenerallyOFF
󱣄
F1 5Atime-lagfuse For85V
3) MAIN board (asm.)_LK-1900BB, 1903BB (MC-672)/LK-1900BNB, 1903BNB (MC-672N)
 Thisboardhasbeenaddedconnectors(CN52toCN55)ofairequipmenttotheMAINboardofstandard
model.
❾
󱢸
󱢺❷ 󱢵❸󱢶󱣄 󱢷
❼󱢳󱢹 ❶󱣁 󱢴 󱣀󱢻❻ 󱢼
❹
❺ 󱣂 󱢿
❽
󱢽󱢾
󱣃

JUKI LK-1900B series Specifications

General

Brand	JUKI
Model	LK-1900B series
Category	Sewing Machine
Language	English