Kenmore 38519001890 Owner’s Manual
SERVICE MANUAL
SEWING MACHINE MODEL
385.19001890
NOVEMBER,1998
CONTENTS
SPECIFICATIONS .....................................................................................I-4
WIRING DIAGRAM ....................................................................................5
GENERAL TROUBLE SHOOTING PROCEDURE .........................................6
WHAT TO DO WHEN ...............,..............................................................7-10
ELECTRONIC QUICK CHECK .............................................................11-13
MAIN KEY FUNCTION ..............................................................................14
WINDING THE BOBBIN .............................................................................15
THREADING THE MACHINE .....................................................................16
WHEN MESSAGES APPEAR ON THE SCREEN .........................................17
TO ATrACH THE STABILIZER......................................................................18
TO SETTHE FABRIC INTHE EMBROIDERY HOOP ....................................18
SERVICE ACCESS
FACE COVER ..............................................................................19
TOP COVER ................................................................................19
BELTCOVER ................................................................................20
BASE COVER ...............................................................................21
BED COVER ................................................................................22
BASE UNIT....................................................................................23
FRONT COVER ............................................................................24
MECHANICAL ADJUSTMENT
NEEDLE POSITION .......................................................................25
NEEDLE BAR HEIGHT ..............................................................26-27
NEEDLE TO SHUTTLETIMING ..................................................28-29
CLEARANCE BETWEEN NEEDLE AND HOOK ............................30
BACKLASH (LOWER SHAFT GEAR) ............................................31
FEED DOG HEIGHT ................................................................32-33
UPPER SHAFT SHIELD PLATE POSITION .......................................34
*SOLENOID ...................................................................................35
TENSION RELEASE MECHANISM ................................................36
STRETCH STITCHFEED BALANCE ...............................................37
*HEIGHT OF EMBROIDERY PRESSER FOOT (P)............................38
NEEDLE THREAD TENSION ..........................................................39
*BUI-rONHOLE LEVER ..................................................................40
PRESSER BAR HEIGHT AND ALIGNMENT ................................... 41
OVER LOAD (1), (2) ............................................................... 42-43
*ADJUSTMENT OF TOUCH PANEL ............... ............................................ 44
*BOBBIN THREAD TENSION (1),(2) ..................................................... 45-46
PART REMOVAL AND REPLACEMENT
NEEDLE THREAD TENSION UNIT .................................................. 47
FEED DOG ................................................................................... 48
THREADER PLATE ......................................................................... 49
C-BOARD UNIT AND FUSE.......................................................... 50
TRANSFORMER ........................................................................... 51
MACHINE SOCKET UNIT ............................................................. 52
A-BOARD UNIT ............................................................................ 53
LCD UNIT ..................................................................................... 54
F-BOARD UNIT ............................................................................. 55
SLIDE VOLUME UNIT .................................................................... 56
DC MOTOR UNIT AND BELTTENSION ........................................ 57
*CARRIAGE PLATE COVER UNIT .................................................. 58
*BUI-IONHOLE SENSOR ................................................................ 59
*UPPER SHAFT SENSOR ................................................................. 60
*ZIGZAG STEPPING MOTOR ........................................................ 61
*FEED STEPPING MOTOR ............................................................. 62
*HOW 1O FIXA THREAD JAMMING ON THETHREAD TAKE-UPLEVER............. 63
CHECKING ELECTRONIC PARTS
*MACHINE SOCKET ...................................................................... 64
*C-BOARD .................................................................................... 65
*F-BOARD UNIT ............................................................................. 66
*DC MOTOR ................................................................................. 67
*FOOT CONTROL ........... : ............................................................. 68
*STEPPING MOTORS ..................................................................... 69
CARE ..................................................................................................... 69
OILING .................................................................................................... 70
SPECIAL TOOLS REQUIRED ................................................................... 71
*NEW ITEM
SEWING MACHIN EDIV. 20 MODEL 385.19001890
SPECIFICATIONS
MODEL 385.19001890
(A) GENERAL SPECIFICATIONS
I. TYPE:
2. CONVERTIBILITY:
3. SHUTTLESYSTEM:
4. STITCHPACKAGE:
BUILT-INSTITCH:
5. ELECTRONIC AUTOMATIC
BUI-rONHOLER:
6. BOBBIN WINDING SYSTEM:
7. THREADING SYSTEM:
8. PRESSERFOOT SYSTEM:
9. MACHINE COLOR:
10. NEEDLE POSITION:
11. EMBROIDERY SIZE:
12. DROP FEED DOG:
13. THREAD TENSION MECHANISM:
14. FEED BALANCE DIAL:
15. FOOT FIXING SYSTEM:
16. CONTROL:
16-1. STITCHWIDTH:
16-2. STITCHLENGTH:
16-3. PAl-tERN SELECTION:
16-4. MEMORY:
16-5. CLEAR:
17. FUNCTION KEY:
17-t. STARTSTOP KEY:
FREEARM, TWO IN ONE
(CONVENTIONAL AND EMBROIDERY)
EXTENSION TABLE
HORIZONTAL FULLROTARYSHU_LE
65 PLUS 840 BUILT-INMONOGRAMS
65
10 (UTILITY)
33 (STRETCH)
21 (DECORATIVE)
1 (DARNING)
840 (MONOGRAMS)
5 STYLES
REGULAR (SQUARE) X 3
ROUND
KEY HOLE
AUTOMATLC CLUTCH
(AUTO DECLUTCH TYPE)
SLITTAKE-UP LEVER
HIGH BAR
WHITE (J-N47)
7MM / MULTIPLENEEDLE POSITIONS
126 MM (5") X 90 MM (3.5")
DROP FEED SYSTEM
CONCEALED
BUILT-IN
SNAP-ON/OFF SYSTEM
ELECTRONIC TOUCH CONTROL PANEL AND
ADJUSTMENT
TOUCH SCREEN SYSTEM
PRE-PROGRAMMED,
ALSO MANUALLY ADJUSTABLE
TOUCH SCREEN SYSTEM
PRE-PROGRAMMED,
ALSO MANUALLY ADJUSTABLE
TOUCH SCREEN SYSTEM
TOUCH SCREEN SYSTEM
(EMBROIDERY ONLY)
TOUCH SCREEN SYSTEM
(EMBROIDERY ONLY)
PUSH BU_ON SYSTEM
(EMBROIDERY ONLY)
SE'WlNGMACHINEDIV.20 MODEL385.19001890
18. NEEDLE UP & DOWN:
19. REVERSESTITCH:
20. LCD (LIQUID CRYSTAL DISPLAY):
21. HORIZONTAL SPOOL PIN:
22. CARRY HANDLE:
23. BOBBIN COVER PLATE:
24. ADJUSTABLE PRESSERFOOT TENSION:
25. ACCESSORIES:
SEAM RIPPER/BUTTONHOLE OPENER
LARGE SCREW DRIVER
PLASTIC BOBBIN
STRAIGHT STITCHFOOT (H)
SATIN STITCHFOOT (F)
ZIPPERFOOT (E)
BLIND HEM FOOT (G)
OVEREDGE FOOT (C)
SPOOL PIN FELT
QUILTER
SPOOL STAND
NEEDLE SET
ADDITIONAL SPOOL PIN
SPOOL HOLDER (LARGE)
SPOOL HOLDER (SMALL)
LINT BRUSH
AUTOMATIC BH FOOT (R)
EMBROIDERY FOOT (P)
EMBROIDERY SCISSORS
EMBROIDERY HOOP (ROUND)
STARTERKIT
MEMORY CARD: SMALL FLOWER SERIES
26. OPTIONAL MEMORY CARDS:
*FLOWER SERIES
*HOLIDAY SERIES
*LITTLEGREY RABBIT
*CHILDREN'S SERIES
*MOTOR SPORTSSERIES
*WILD ANIMAL SERIES
*SPECIAL OCCASION SERIES
*FRUITAND VEGETABLE SERIES
*DOG SERIES
*BIG FLORAL SERIES
*FLORAL SCRIPTSERIES
PUSH BUTTONSYSTEM
PUSH BUTTONSYSTEM
YES
YES
YES
POP UP TYPE
DIAL TYPE(3 POSITIONS)
56O4O61O4
820832005
102261103
823801015
822804118
829801002
820817015
822801001
102403109
802422002
829803004
650807008
625031500
822020503
822019509
802424004
753801004
830810031
822814007
834809006
834812002
834811001
K-1 (834401004)
K-2 (834402005)
K-3 (834403006)
K-4 (834404007)
K-5 (834405008)
K-6 (834406009)
K-7 (834407000)
K-8 (834411007)
K-9 (834412008)
K-10 (834448003)
K-11 (834449004)
SEWINGMACHINEDIV.20 MODEL385.19001890
*MUSICAL INSTRUMENTSERIES
*FLORAL ART AND QUILTING DESIGNS
*SEWING-RELATED DESIGNS
*OCEAN LIFEDESIGNS
*CHRISTMAS DESIGNS I
*CHRISTMAS DESIGNS 1I
*CUIWORK DESIGNS
*FARM DESIGNS
*WILD LIFE& FISHING DESIGNS
*ANGEL DESIGNS
*BIRD DESIGNS
*THREE-LETTERMONOGRAM DESIGNS
*BORDER DESIGNS
*FLORAL DESIGNS ]
*GOBELIN STITCHFLORAL DESIGNS
*NOAH'S ARK DESIGNS ], 11"
27.
SPECIFICATION OF
MICRO-COMPUTER:
28. DRIVING MOTOR:
29. FOOT CONTROL:
30. STEPPING MOTOR:
31. MAXIMUM SPEED:
32. NEEDLETHREADING:
33. THREAD TENSION:
34, HARD COVER:
K-12 (8344500O8
K-101 (834408001
K-102 (834409002
K-103 (834410006
K-104 (834451009
K-105 (834520000
K-106 (834471005
K-107 (834472006
K-108 (834473007
K-109 (834474008
K-110 (834475009
K-111 (834476000
K-112 (834481008
K-113 (834482009
K-114 (834483000
K-115 (834484001
CPU:
ROM 8M BITS
RAM 256K BITS
VRAM 64K BITS
DC MOTOR
ELECTRONIC FOOT CONTROL
ZlG-ZAG WIDTH CONTROL
FEEDING CONTROL
EMBROIDERY HOOP CONTROL (X-AXIS)
EMBROIDERY HOOP CONTROL (Y-AXIS)
820 RPM (STRAIGHT STITCH)
500 RPM (AUTOMATIC BUI-rONHOLE)
700 RPM (OTHER STITCHES)
400 PRM (EMBROIDERY)
INTEGRATED NEEDLE THREADER
SEMI-AUTO TENSION CONTROL
(ROLLER TYPE)
YES
3
SEWING MACHINE DIV. 20 MODEL 385.19001890
(B) STITCH PACKAGE DETAIL
1. TOTAL STITCHES: 65
2. BUILT-INSTITCHES: 60
UTILITY: 10
STRETCH: 33
DECORATIVE: 21
DARNING 1
3. BUILT-INMONOGRAM 840
UTILITY STRETCH DECORATIVE
' I 4
O
L7
HI
Hi
HI
Ill
) l
E )
El
I
BUTi'ONHOLE
_:) n
i !, l
I T
)1
3
0 0
g
DARNING
I
III
lU
:>
X
X
4
SEWING MACHINE DIV. 20 MODEL 385.19001890
WIRING DIAGRAM
NAME OF ELECTRONIC PARTSAND WIRING
NOTE:
(A): UPPERSHAFT SENSOR
(B): MACHINE SOCKET UNIT (SECONDARY)
(C): DC MOTOR
(D): ZIGZAG WIDTH STEPPING MOTOR
(E): FEEDSTEPPING MOTOR
(F): X-AXIS EMBROIDERY STEPPING MOTOR
(G):Y-AXIS EMBROIDERY STEPPING MOTOR
(H): LCD MODULE
(I): F-BOARD
(J): BuYrONHOLE SENSOR
EACH CONNECTOR SHOULD BE CONNECTED AS FOLLOWS;
(A)-(A),(B)-(B),(C)-(C),(D)-(D),(E)-(E),(F)-(F),(G)-(G),(H)-(H),(J)-(J),(K)-(K)
(L)-(L),(M)-(M),(N)-(N),(O)-(O),(P)-(P).
(K): LAMP
(L): TENSION RELEASESOLENOID
(M): C-BOARD
(N): MACHINE SOCKET UNIT(PRIMARY)
(O): TRANSFORMER (SECONDARY)
(P): TRANSFORMER (PRIMARY)
(Q): INVERTER
(R): SLIDEVOLUME
(S): THREAD TENSION SENSOR
(T): LCD (BACK LIGHT)
(N)
5
SEWING MACHINE DIV. 20 MODEL 385. ] 9001890
GENERALTROUBLESHOOTING PROCEDURE
(MACHINE OOESN"TWORK WELL)
START
*IS NEEDLESETOK ?
BASIC CHECK
CORRECT IT
>10'K'
...... *IS POWER SUPPLY OK ?
*IS THREADING OK ?
MECHANICAL
O,K.
(
_t
ADJUSTMENT
SEWING CHECK I
l END
} } ELECTRICAL } } CAN'TJUDGE
ELECTRIC QUICK CHECK
_N.G,
REPLACE PARTS
ELECTRIC QUICK CHECK
6
SEWING MACHINE DIV. 20 MODEL 385.19001890
WHATTO DO WHEN
CONDITION HOW TO FIX REFERENCE
1, INSERTTHE NEEDLE PROPERLY.
1. SKIPPING
STITCHES
NEEDLE IS NOT INSERTED
PROPERLY.
2. NEEDLE ISBENTOR WORN.
3. INCORRECTLY THREADED,
4. NEEDLEORTHREAD ARE
INAPPROPRIATE FOR
FABRIC BEING SEWN.
5, SEWING ON STRETCH
CAUSE
CHANGE THENEEDLE.
RETHREAD.
USETHE RECOMMENDED
SEWING NEEDLE AND
THREAD,
USEA#11 BLUETIPNEEDLE.
FABRIC
6, PRESSERFOOT PRESSURE
ISTOO WEAK.
ADJUST THE PRESSERDIAL TO
MAKE THE PRESSURE
STRONGER.
7. INAPPROPRIATE NEEDLE
BAR HEIGHT
SEEMECHANICAL
ADJUSTMENT
P.26 - 27
"NEEDLE BAR HEIGHT".
8. INAPPROPRIATE NEEDLE TO
SHUI-rLETIMING
SEEMECHANICAL
ADJUSTMENT "NEEDLETO
P.28 - 29
SHUTTLETIMING".
9. INAPPROPRIATE NEEDLE TO
SHUYi-LECLEARANCE
10. STABILIZERISNOT BEING
USED WITH STRETCHOR FINE
FABRICS.
11. FABRIC IS NOT SETPROP-
ERLYON EMBROIDERY
HOOP.
12. SEWING WHILE PRESSERBAr,
LIFTERISRAISED
2. FABRIC NOT
MOVING
,
PRESSERFOOT PRESSURE
ISTOO WEAK.
.
INCORRECT FEEDDOG
HEIGHT.
3. FEEDDOG ISIN DOWN
POSITION.
*ALLITEMSAREAPPLICABLETOBOTHCONVENTIONALAND
7
SEEMECHANICAL
R 30
ADJUSTMENT "CLEARANCE
BETWEENNEEDLE AND HOOK".
USESTABILIZER.
P. 18
(EMBROIDERY
ONLY)
PLACE THEFABRIC TIGHTLYIN
THE EMBROIDERY HOOP(NO
LOOSE FABRIC),
E18
[EMBROIDERY
ONLY)
SEWWITH THE PRESSERBAR
LIFTERDOWN,
ADJUST THE PRESSERDIAL TO
MAKE THE PRESSURE
CONVENTIONA
_'_VINGONLY)
STRONGER.
SEEMECHANICAL
ADJUSTMENT "FEED DOG
HEIGHT".
RAISE THE FEED DOG.
EMBROIDERY SEWING WHERE OTHERWISE SPECIFIED.
P.32 - 33
CONVENTIONA
•"_/ING ONLY)
CONVENTIONA
EWING ONLY)
SEWING MACHINE DIV. 20 MODEL 385.19001890
CONDITION HOW TO FIX REFERENCE
4. THREAD ON BO1-POMSIDE
OF FABRIC ISJAMMED UP.
CAUSE
MAKE SURETO BRING
BOTH NEEDLE AND BOBBIN
THREADS UNDER THE FOOT
WHEN STARTING SEWING.
3. BREAKING
UPPER
5. FEEDDOG TEETHARE
WORN.
1. INITIAL SEWNG SPEEDIS
TOO FAST.
CHANGE THEFEED DOG.
STARTWITH MEDIUM SPEED.
P.48
(CONVENTIONAl
SEWING ONLY)
CONVENTIONAL
IEWlNG ONLY)
THREAD
2. THREAD PATHIS INCORRECT
3. NEEDLEISBENTOR DULL.
4. NEEDLETHREAD TENSION IS
TOO TIGHTE.
USETHE PROPER THREAD PATH
REPLACE WITH A NEW NEEDLE
SEEMECHANICAL
ADJUSTMENT "NEEDLETHREAD
R 15-16
R 39
TENSION."
5, NEEDLESIZEIS
INAPPROPRIATE FOR
FABRIC,
USEAPPROPRIATE NEEDLE
FOR FABRIC AND THREAD
IN USE,
6, NEEDLE EYEISWORN.
7. NEEDLE HOLE IN NEEDLE
PLATEWORN OR BURRED.
+
WHEN STARTINGTO SEW,
THE NEEDLE THREAD IS NOT
SECURED BY THE THREAD
HOLDER,
9. IN EMBROIDERY SEWING,
THEPATrERN ISBEING SEWN
OVER ANOTHER PAl-FERN.
10, AFTERCHANGING THE
NEEDLE THREAD, ITJAMS
AROUND THESPOOL PIN.
11. WHEN NEEDLE THREAD IS
CHANGED, THREAD ISNOT
GUIDED INTO THETHREAD
TAKE-UP LEVER.
CHANGE THE NEEDLE.
REPLACE THE NEEDLE PLATE.
PLACE THETHREAD IN THE
THREAD HOLDER.
LEAVE SUFFICIENTSPACE BE-
FORE SEWING SECOND PAT-
TERN.
CLEAR OUT THEJAMMING
THREAD,
THREAD THETAKE-UP LEVER
CORRECTLY.
(EMBROIDERY
ONLY)
EMBROIDERY
ONLY)
R16
P, 16
SEWINGMACHINEDIV.20 MODEL385.19001890
CONDITION
4, BREAKING
BOBBIN
THREAD
5. NEEDLE
BREAKS
CAUSE
1. INCORRECTLYTHREADED
BOBBINHOLDER,
2. TOOMUCHTHREADIS
WOUNDONTHEBOBBIN.
3. LINTISSTUCKINSIDETHE
BOBBINHOLDER.
4. THREADQUALITYISTOO
LOW.
5. THREADISJAMMING
AROUNDTHEBOBBIN.
1. NEEDLEISHITTINGTHE
NEEDLEPLATE.
HOW TO FIX
THREAD BOBBIN HOLDER
CORRECTLY.
ADJUST THE POSITION OF
STOPPER.
CLEAN THE SHUTTLE.
CHANGE TO A HIGH QUALITY
SEWING THREAD.
CLEAR OUT THEJAMMING
THREAD.
SEEMECHANICAL
ADJUSTMENT "NEEDLE
POSITION".
REFERENCE
P. 15
E 69
P.25
2. NEEDLEISBENTORWORN.
3. NEEDLEISHITTINGTHE
SHUTTLE.
.
THE FABRIC MOVES WHILE
THE NEEDLE IS PIERCING IT,
OR THE NEEDLE ZIGZAGS
WHILE IN FABRIC.
,
FABRIC ISBEING PULLED
TOO STRONGLY WHILE
SEWING.
.
THE NEEDLE THREAD
TENSION ISTOO TIGHTE.
17.
IN EMBROIDERY SEWING,
THE PATTERNIS BEING SEWN
OVER ANOTHER PATTERN.
CHANGE THE NEEDLE.
SEEMECHANICAL
ADJUSTMENT "CLEARANCE
BETWEENNEEDLE AND
HOOK".
' SEEMECHANICAL
ADJUSTMENT "UPPER SHAFT
SHIELD PLATEPOSITION".
GUIDE THE FABRIC GENTLY
WHILE SEWING.
SEEMECHANICAL
ADJUSTMENT "NEEDLE THREAD
TENSION,'
LEAVE SUFFICIENTSPACE
BEFORE SEWING SECOND
PAI_ERN.
P.30
:CONVENTIONA
_'WING ONLY)
P.34
CONVENTIONA
EWINGONLY)
P.39
(EMBROIDERY
ONLY)
9
SEWING MACHINE DIV. 20 MODEL 385.19001890
CONDITION
6. NOISY
OPERATION
7. PAI"[ERN
DISTORTION
CAUSE HOW TO FIX REFERENCE
1. E 31
BACKLASH BE[WEEN
SHUI_LE HOOK GEAR AND
LOWER SHAFTGEAR IS
SEEMECHANICAL
ADJUSTMENT '" BACKLASH
(LOWER SHAFT GEAR)".
TOO GREAT.
,
LOWER SHAFTGEAR IS
ELIMINATE THE LOOSENESS.
LOOSE.
3,
INAPPROPRIATE BELT
TENSION
SEEPART REMOVAL AND
REPLACEMENT "DC MOTOR
P.57
UNIT AND BELTTENSION'".
4. NOT ENOUGH OIL
1. INAPPROPRIATE FEED
BALANCE
.
INAPPROPRIATE ZIGZAG
SYNCHRONIZATION
OIL ALL MOVING PARTS.
SEEMECHANICAL
ADJUSTMENT " STRETCH
STITCHFEED BALANCE ".
SEEMECHANICAL
ADJUSTMENT " UPPERSHAFT
SHIELD PLATEPOSITION'".
P.7O
P.37
[CONVENTIONA
SEWINGONLY)
R 34
(CONVENTIONA
BEING ONLY)
,
UPPERTHREAD TENSION IS
TOO STRONG.
.
EMBROIDERY FOOT IS NOT
BEING USED.
5.
STABILIZERISNOT BEING
USED WITH STRETCHOR
FINE FABRICS.
.
THE FABRIC ISNOT SET
PROPERLYON THE
EMBROIDERY HOOP.
.
EXTENSION TABLEISNOT
SETCORRECTLY.
8.
EMBROIDERY FOOT
CATCHES THE
CONNECTING THREAD.
.
FABRIC ISTOO SMALL FOR
EMBROIDERY HOOP.
SEEMECHANICAL
ADJUSTMENT "NEEDLE
THREAD TENSION",
USEEMBROIDERY FOOT.
USESTABILIZER.
PLACE THE FABRIC TIGHTLY
IN THE EMBROIDERY HOOP
(NO LOOSE FABRIC).
SETTHEEXTENSION TABLE
CORRECTLY.
CUT THECONNECTING
THREAD WHEN CHANGING
THE COLOR OF THREAD.
USEA PIECE OF FABRIC
LARGER THAN HOOP.
R 39
(EMBROIDERY
ONlY)
R18
(EMBROIDERY
ONLY)
R18
(EMBROIDERY
ONLY)
(EMBROIDERY
ON{Y)
R18
(EMBROIDERY
ONLY)
8. UPPER
THREAD
LOOPING
.
UPPERTHREAD TENSION IS
TOO LOOSE.
SEEMECHANICAL
ADJUSTMENT "NEEDLETHREAE
TENSION."
10
P,39
SEWING MACHINE DIV. 20 MODEL 385.19001890
ELECTRONICQUICK CHECK
I.CHECKING
TURN THE POWER SWITCH ON.
*IF NOTHING HAPPENS ON THE MACHINE;FIRST,REPLACE THE FUSE(SEE PAGE 50)
1. CHECK ALL WIRE CONNECTIONS (SEE PAGE 5),
2. CHECK THE C-BOARD (SEEPAGE 50).
CHECK THETRANSFORMER (SEEPAGE 51).
CHECK THE SOCKET (SEEPAGE 52),
IF THEC-BOARD,TRANSFORMER AND SOCKET ARE ALL OK, AND
NOTHING HAPPENS ON THE MACHINE, REPLACE THEA-BOARD (SEEPAGE 53).
*IF SEWING LIGHT DOES NOT TURN ON;
1. CHECK THEFILAMENT IN THE LIGHT BULB.
IFTHE FILAMENT ISBROKEN, REPLACE THELIGHT BULB.
2. IFLIGHT BULBISOK, AND LIGHT STILLDOES NOT TURN ON, REPLACE
THEA-BOARD (SEE PAGE 53).
*IF LCD DOES NOT TURN ON;
1, TURN THESCREEN SHARPNESSADJUSTMENT DIAL.
2. IFLCD STILLDOES NOT SHOW ANYTHING, REPLACE THEA-BOARD FIRST.IF
LCD STILLDOES NOT TURN ON, REPLACE THELCD.
*IF LCD SHOWS NOTHING;
1. REPLACE A-BOARD FIRST.IFLCD STILLSHOWS NOTHING, REPLACE THELCD.
2.PREPARATION
_BECAREFUL IN CHECKING ALL OPERATIONS SINCE THEMACHINE MAY
SUDDENLY STARTRUNNING,
1. TURNTHE POWER SWITCH OFF,
2. SETTHEBOBBIN WINDER SPINDLE TO THE LEFT,
3. RAISETHE FEED DOG.
4. SHIFTSPEEDSETTINGSLIDE LEVER TO THE LEFT.
5. DETACH THE PRESSERFOOTAND RAISE THE PRESSERFOOT LIFTER.
6. MOVE THE NEEDLE BAR TO THE UP POSITION.
7, CONNECT THEFOOT CONTROL.
8. LOWERTHE BH LEVER,
11
SEWING MACHINE DIV. 20 MODEL 385.19001890
ELECTRONICQUICK CHECK
CHECK OPERATION
*THIS QUICK CHECK MUST BE PERFORMED IN THESEQUENCE SHOWN.FOLLOW EACH STEP
CAREFULL,DO NOT SKIP ANY PROCEDURE.
*ON THE FOLLOWING STEPS
.PRESS UP/DOWN NEEDLE BuYroN IF CORRECT CONDITION FOR NEXTSTEP.
.PRESS AUTO-LOCK BUTTON IF DEFECT CONDITION.
STEP
01) BUZZER
02) UP/DOWN
NEEDLE
BuYroN,
AUTO-LOCK
BUTTON,
REVERSE
BuYroN, AND
START/STOP
BUI_ON TEST
03) LCD UNIT
04) BUBBIN
WINDER
SWITCH TEST
05) SPEEDSET-
TiNG SLIDE
LEVERTEST
06) FOOT
CONTROLLEi_
TEST
TEST
TURN ON THE
POWER SWITCH
WHILE PRESSING
REVERSEBU_ON
PRESSFOLLOWING
KEYSSEQUENTIALLY
•START/STOP
BuYroN
•REVERSEBUYTON
•AUTO-LOCK
BUTTON
•UP/DOWN BUT-
TON
•PRESS"PRESSTHIS
KEY"ON LEFTSIDE
PRESSAPPOINTEDKEY
PRESS
THISKEY_'_
• PRESS*PRESSTHIS
KEY"ON RIGHT
SIDE
•SHIFTTHE BOBBIN
WINDER SPINDLE
TO THERIGHT
THEN THE LEFT
*SHIFT SPEED
SETTINGSLIDE
LEVERTO RIGHT,
THEN TURN BACK
TO LEFT
• DEPRESSTHE
FOOT CONTROL-
LERFULLYAND
RELEASEtT
CORRECTCONDITION
•BUZZERSOUNDS
(LCD SHOWS
"BUZZER")
(LCD SHOWS "S/S,
REV, AL, U/D KEY")
• BUZZERSOUNDS
FOR NEXTSTEP
• BUZZERSOUN DS
AND INDICATES
"PRESSTHIS KEY"AT
RIGHT HAND SIDE
ON LCD
• BUZZERSOUNDS
FOR NEXT STEP
(LCD SHOWS
"SPOOL')
*BUZZER SOUNDS
EVERYTIME WHEN
BOBBIN WINDER
SPINDLE ISSHIFTED
(LCD SHOWS
"SLIDING VOLUME")
*BUZZER SOUNDS
AT LEFT& RIGHT
POSITION
(LCD SHOWS
"CONTROLLER")
•BUZZERSOUNDS
WHEN FOOT
CONTROLLER IS
DEPRESSEDFULLY
AND RELEASED
12
DEFECT CONDITION & CORRECTION
• NO BUZZER
SOUNDS AND
• REPLACE A-
BOARD (SEEP.53)
COULD NOT
ENTERTEST
MODE
oLCD MODULE
PROGRAM
VERSION. ALSO,
PROGRAM WILL
BELOCKED
• NO BUZZER
SOUNDS AND
PROGRAM WILL
BELOCKED
• FIRST,CHECK THE
F-BOARD (SEE
P.66) IFF-BOARD
ISOK, THEN
REPLACE THE A-
BOARD (SEEP.53)
•NO BUZZER
SOUNDS AND
PROGRAM WILL
BELOCKED
• FIRST,REPLACE A-
BOARD (SEEP.53)
IF NO SOUND
OCCURS AFTER
REPLACING A-
BOARD, REPLACE
THE LCD UNIT (SEE
P.54)
• NO BUZZER
SOUNDS
• NO BUZZER
SOUNDS
• NO BUZZER
SOUNDS
•REPLACE A-
BOARD (SEEP.53)
• FIRST,CHECK
SLIDING VOLUME
(SEEP.56). IF
SLIDING VOLUME IS
OK, REPLACE A-
BOARD (SEEP.53)
• FIRST,CHECK
FOOT CONTROL
(SEE P.66). IF FOOT
CONTROL IS OK,
REPLACE A-
BOARD (SEE P.53)
SEWING MACHINE DIV. 20 MODEL 385.19001890
STEP
07) PRESSER F-OO"
SENSOR TEST
08) BUITONHOLE
SENSOR TEST
09) UPPERSHAFT
POSITIONING
SENSOR TEST
TEST
(LCD SHOWS "FOOl
LEVER')
• PRESSU/D NEEDLE
BUTTON FOR NEXT
STEP
•SHIFTTHE BH
LEVERBACK &
FORTH GENTLY
•TURN THEHAND
WHEEL TOWARD
YOU TO MOVE
THE NEEDLE BAR
TO HIGHEST POSI-
TION AND LOWEST
POSITION
CORRECTCONDmOB DEFECT CONDITION & CORRECTION
(LCD SHOWS "BH
SENSOR STATE')
•WHEN LEVBR IS
PULLEDTOWARD
YOU--BUZZER
SOUNDS & INDI-
CATES "CLOSED"
ON LCD BOARD
•WHEN LEVERIS
•NO BUZZER
SOUNDS
• FIRST,CHECK F-
BOARD (SEEP.66)
IF F-BOARD ISOK,
REPLACE A-
BOARD (SEEP.53)
IF BOTH F-BOARD
& A-BOARD ARE
OK, REPLACE BH
SENSOR (SEEP.59]
RELEASED--
BUZZERSOUNDS &
INDICATES "OPEN"
ON LCD BOARD
(LCD SHOWS "BH
SENSOR")
•LCD SHOWS
"BIGHT" WHEN
NEEDLE IS AT
HIGHEST POSITION
•LCD SHOWS
"FEED"WHEN
• LCD DOES NOT
SHOW "BIGHT"
OR "FEED". ALSO
LCD DOES NOT
CHANGE INDI-
CATION WHILE
TURNING
HANDWHEEL
• FIRST,REPLACE A-
BOARD (SEEP.53)
IF LCD ISSTILL
INCORRECT,
REPLACE UPPER
SHAFTSENSOR
(SEEP.60)
NEEDLE ISAT
LOWEST POSITION
10) STEPPING
MOTOR TEST
•RAISE THENEEDLE
BAR TO HIGHEST
POSITION AND
PUSH START/STOP
BUTrON
•LOWER THE
NEEDLE BAR TO
LOWEST POSITION
AND PUSH START/
STOP BUTTON
(LCD SHOWS "STEP-
PING MOTOR')
•ZIGZAG STEPPING
MOTOR WILL
MOVE THE
NEEDLE, LEAVING
IT IN THECENTER
POSITION
•THE FEEDDOGS
WILL MOVE BACK
• NOT WORKING
CORRECTLY
• FIRST,CHECK
STEPPING MOTOR
(SEEP.69). IF
STEPPING MOTOR
ISOK, REPLACE
A-BOARD (SEE
P.53)
AND FORTH INTHE
LOWER POSITION,
THENSTOP
•X AND Y-AXIS
STEPPINGMOTOR
WILL MOVE THE
CARRIAGE TO
HOME POSITION
• FEED DOG TO
HOME POSITION
11) MACHINE
MOTOR TEST
• PRESSSTART/STOP
BU1-FON
(LCD SHOWS "DC
MOTOR")
•MACHINE RUNS
SLOW, AND FAST,
THEN NEEDLE BAR
STOPSAT THE
• NOT STOPPING
AT THE HIGHEST
POSITION OR
RUNNING AT
UNEVEN SPEED
• FIRST,CHECK THE
DC MOTOR (SEE
P.67). IF DC
MOTOR IS OK,
REPLACE A-
BOARD (SEEP.53)
HIGHEST POSITION
WHEN ALL STEPSARE DONE. PRESS UP/DOWN BUTTON. CORRECT CONDITION :LCD SHOWS" 1,2,3,4,5,6,7.8,9.10._.*""SUMMARY ....
DEFECT CONDITION : LCD SHOWS "NG" UNDER THESTEP NUMBEr_.
OK OK OK OKOK OK O_ OK OK OK
13
SEWING MACHINE DIV. 20 MODEL 385.19001890
MAIN KEYFUNCTION
1c I. u
/_ (5) (6) (7)
(1)
(1) START/STOP BUTTON ................ CONVENTIONAL AND EMBROIDERY SEWrNG
.. WITHOUT FOOT CONTROL
(2) REVERSEBU_QN ..................... REVERSESTITCHING WHILE PREYING THISBUI_QN
(3) AUTO-LOOK BUNON .............. SEWS IN PLACE FOR A FEW STITCHESTHEN AUTO-
MATICALLY STOPS
(4) UP/DOWN NEEDLEBUTrON .,. FOR CHANGING THE NEEDLE POSITION (UP OR
DOWN)
(5) MEMORY KEY .......................... FOR MEMORIZING LETFERSAND NUMBERS(EMBROI-
DERY ONLY)
(6) CLEAR KEY ............................... TO CLEAR THE MEMORIZED MONOGRAMS
(EMBROIDERY ONLY)
(7) MENU KEY ................................ FOR CHOOSING BETWEENCONVENTIONAL SEWING
AND EMBROIDERY SEWING
(8) LEI-FERSIZEKEY ........................ FOR CHANGING THESIZEOF LETTERS/NUMBERS
(EMBROIDERY ONLY)
(9) UPPER/LOWER CASE KEY ....... FOR SELECTING UPPEROR LOWER CASE LETTERS
(EMBROIDERY ONLY)
(10) SPACE CHECK KEY .................. TO MOVE THE CARRIAGE TO THEDESIRED POSITION
(EMBROIDERY ONLY)
(11) PREVIOUS PAGE KEY............... TO CHANGE THE PATrERNSCREEN TO PREVIOUS
PAGE
(12) NEXT PAGE KEY ....................... TO CHANGE THE PATTERNSCREEN TO NEXTPAGE
(13) RETURNKEY.............................. TO RETURNTO THE PREVIOUS DISPLAY
14
SEWINGMACHINEDIV.20 MODEL385.19001890
WINDING THEBOBBIN
(1) PASSTHE THREAD AROUND THREAD GUIDE.
(2) THEN THROUGH THE HOLE IN THE BOBBIN.
(3) PUTTHE BOBBIN ON THE BOBBIN WINDER SPINDLE, AND PUSHTHE BOBBIN TO THE RIGHT.
(4) WHEN THE BOBBIN IS FULLYWOUND, ITWILL STOP AUTOMATICALLY. RETURNTHEBOBBIN
WINDER TO ITSORIGINAL POSITION BY MOVING THESPINDLE TO THELEFT,AND CUT THE
THREAD AS SHOWN.
(2)
/
I
• INSERTING THE BOBBIN
(1)
• (2)
(4)
PLACE THE BOBBIN IN THE BOBBIN HOLDER WITH THE
THREAD RUNNING OFF IN THE COUNTERCLOCKWISE
DIRECTION.
(1) END OF THREAD
GUIDE THETHREAD INTO THE NOTCH (A) ON THE FRONT
SIDE OF THE BOBBIN HOLDER.
DRAW THETHREAD TO THELEFT,SLIDING ITBEIWEEN THE
TENSION SPRING BLADES,
(2) NOTCH (A)
CONTINUE TO DRAW THE THREAD LIGHTLY UNTIL THE
THREAD SLIPSINTO NOTCH (B).
PULLOUT ABOUT 15 CM (6") OF THREAD.
(3) NOTCH (B)
ATTACH THE HOOK COVER PLATE.
CHECK THE THREADING BY REFERRING TO THE CHART
SHOWN ON THE HOOK COVER PLATE,
(4) THREADING CHART
15
SEWING MACHINE DIV. 20 MODEL 385.19001890
THREADINGTHEMACHINE
RAISETHEPRESSERFOOT LIFTER,AND PASSTHETHREADTHROUGH POINTS (I) TO (6).
(1) HOLD THE UPPERTHREAD AND PASSTHETHREAD UNDER THETHREAD GUIDE. PULLTHE
THREAD DOWN ALONG THEGROOVE.
(2) DRAW THE THREAD AROUND THE CHECK SPRING HOLDER FROM RIGHT TO LEFT,THEN
PULL UPTHE THREAD.
(3) FIRMLY DRAW THE THREAD FROM RIGHT TO LEFTAND PULL ITTOWARD YOU INTO THE
EYEOF THE THREAD TAKE-UP LEVER,THEN DOWN TO THE LOWER THREAD GUIDE.
(4) DRAW THETHREAD FROM RIGHT TO LEFTBEHIND THE LOWER THREAD GUIDE.
(5) SLIDETHETHREAD BEHIND THE NEEDLEBAR THREAD GUIDE FROM THELEFT.
(6) THREAD THE NEEDLE FROM FRONT TO BACK USING THE NEEDLE THREADER.
(3) ; (1)
(4)
(6)
(5)
J
J
16
SEWING MACHINE DIV. 20 MODEL 385.19001890
WHEN MESSAGESAPPEARON THESCREEN
MESSAGE FOR THREAD BROKEN TURN OFF THE
POWER SWITCH, AND RE-THREADING.
THEVISUAL TOUCH SCREEN SHOWS 'BOBBIN WIND-
ING" CONDITION.
AFTER THE BOBBIN ISWOUND, RETURNTHE BOBBIN
WINDER TO ITSORIGINAL POSITION BY MOVING THE
SPINDLETO THELEFT.
RAISE THE NEEDLE BAR BY PRESSING THEUP/DOWN
STOPFOR SAFETYPURPOSES
OOOOOOO
NEEDLE BUTTON.
(THIS MESSAGE WILL APPEAR WHEN THE POWER
SWITCH ISTURNED ON WITH THENEEDLE LOWERED.)
INSERTCPRD €..=
PRESS THIS BUTTON "@"
TO RAISE NEEDLE BPR
SYSTEM ERROR
ZIGZAG STEPPING
MOTOR
FEED STEPPING
MOTOR
\
0000000
•" "•" •" DISAPPEARS(ABOUT 15 SECONDS).
I STOP OPERATING THEMACHINE UNTILTHISMESSAGE
I *°'**°° 1.
TURN OFF THE POWER SWITCH, AND INSERT THE
MEMORY CARD AGAIN.
(WHEN THE MACHINE IS OVER LOADED.)
CHECK THE MECHANISM OF ZIGZAG, FEED AND
CARRIGE IF THERE ISANY FOREIGN OBJECT OR
MECHANICAL PROBLEM WHICH OBSTRUCTS
MOVEMENT OF STEPPING MOTOR MECHANISM.
.
CHECK THE GEAR AREA OF THE4 STEPPING MO-
TORS FOR LINT,AS ILLUSTRATED.
3.
CHECK ALL CONNECTORS OF THESTEPPINGMO-
TORSARE SECURLYCONNECTED.
4.
CHECK THE STEPPING MOTOR FUNCTION BY
"ELECTRONIC QUICK CHECK".
5.
CHECK STEPPINGMOTORS BYA ELECTRICTESTER.
@ -AXIS STEPPING MOTOR
17
Y-AXIS STEPPING MOTOR
SEWINGMACHINEDIV.20 MODEL385.19001890
TO ATTACH THESTABILIZER
PLACE THE GLUE (SHINY) SIDE OF THE STABILIZERON
THEFABRIC AND IRON AS ILLUSTRATEDUSING MEDIUM
TEMPERATURE,
(1) STABILIZER
(2) FABRIC
I
TO SETTHEFABRICIN THEEMBROIDERYHOOP
MARK THEDESIREDEMBROIDERING POSITION ON THE
FABRIC AS ILLUSTRATEDUSING TAILOR'S CHALK.
(3) FABRIC
(4) REFERENCELINES
PLACE THETEMPLATEON THEFABRIC, MATCHING THE
REFERENCELINESLOCATED ON THETEMPLATE TO THE
REFERENCELINESYOU PREVIOUSLYMARKED ON THE
FABRIC.
TAPE THE TEMPLATE TO THE FABRIC AS SHOWN TO
HOLD THETEMPLATEIN PLACE. (SCOTCH TAPE ISREC-
OMMENDED.)
(5) TAPE
(6) TEMPLATE
PLACE THEFABRIC WITHTHETEMPLATEATTACHED TO
ITAND SETITON TOP OF OUTER HOOP.
SETTHEINNER HOOP ON TOP OF YOUR FABRIC.
(7) INNER HOOP
(8) RIGHT SIDE OF FABRIC
(9) STABILIZERON WRONG SIDE OF FABRIC
(10) OUTER HOOP
PUSHTHEFLATSIDE "A" OF THEINNER HOOP INTO THE
FLATSIDE "B" OF THE OUTER HOOP.
WHILE SQUEEZING THE HANDLES "C" TOGETHER, PUSH
THE ROUND PART OF THE INNER HOOP INTO THE
ROUND PARTOF THEOUTER HOOP SO THEMATERIAL
ISSECURE.
(6) (5)
A
(_(8)
(10)_C (9)
TAKEOUT THETEMPLATEBY PU_ING YOUR FINGER IN
THE THUMB HOLE LOCATED ON THE TEMPLATE AND
LIFTUP.
(11) FOR EASYREMOVAL OF TEMPLATE (THUMBHOLE)
18
(11)
SDA/ING MACHINE DIV. 20 MODEL 385.19001890
SERVICEACCESS
FACE COVER
TO REMOVE:
1. REMOVE THE 2 SCRE"WS(A) AND REMOVE THE FACE COVER (B).
TO ATTACH:
2. REPLACE THE FACE COVER BY LIGHTLYTIGHTENING THE2 SCREWS (A).
3. CLOSE THE FACE COVER, CAREFULLY ALIGNING ITWITH THEBODY. THEN TIGHTEN THE
SCREWS FIRMLY.
TOP COVER
TO REMOVE:
1. REMOVE THE CAP(C) AND SCREW (D). LIFTTHE CARRYING HANDLE (E) UP. REMOVE
THE SCREW (F).
2. LIFTTHECARRYING HANDLE UP. REMOVE THETOP COVER (G) IN THEDIRECTION SHOWN.
TO ATTACH:
3, REVERSETHIS PROCEDURE.
FACE COVER (B)
SCREW (A)
SCREW (F)
CARRYING HANDLE (E)
TOP COVER UNIT (G)
19
SEWING MACHINE DIV. 20 MODEL 385. ] 900 ]890
SERVICEACCESS
BELTCOVER
TO REMOVE:
1. LOOSEN SCREW (A), REMOVE SCREWS (B), (C) AND'WASHER (D). THEN REMOVE THE
BELTCOVER (E).
TO ATTACH:
2. REVERSETHISPROCEDURE.
HANDLE
_._- SCREW (A)
SCREW (B) ..
BELTcovER (E)
FRONT PANEL
SCREW (C) ;"
2O
WASHER(D)
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