Janome MO200 Service Manual
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Janome MO200 Service Manual

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SERVICE MANUAL MO200
MODEL : MO200, 5200QDC

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Summary of Contents for Janome MO200

  • Page 1 SERVICE MANUAL MO200 MODEL : MO200, 5200QDC...

  • Page 2: Table Of Contents

    MO200 5200QDC CONTENTS SERVICE ACCESS (1) TOP COVER, FACE COVER ............ 2 SERVICE ACCESS (2) BASE, BED COVER ..............3 SERVICE ACCESS (3) BELT COVER ................4 SERVICE ACCESS (4) FRONT COVER ................ 5 SERVICE ACCESS (5) REAR COVER ................6 PRESSER BAR HEIGHT AND ALIGNMENT ..............

  • Page 3: Service Access (1) Top Cover, Face Cover

    MO200 5200QDC SERVICE ACCESS (1) TOP COVER TO REMOVE: 1. Remove the 2 setscrews (A) and setscrew (B), and remove the top cover. TO INSTALL: 2. Follow the above procedure in reverse. FACE COVER TO REMOVE: 1. Remove the 2 setscrews (C) and remove the face cover.

  • Page 4: Service Access (2) Base, Bed Cover

    MO200 5200QDC SERVICE ACCESS (2) BASE TO REMOVE: 1. Remove the 4 setscrew (A) and the 2 setscrew (B), remove the base. TO INSTALL: 2. Place the part C (concave part in the illustration) between the base and the arm boss.

  • Page 5: Service Access (3) Belt Cover

    MO200 5200QDC SERVICE ACCESS (3) BELT COVER TO REMOVE: 1. Remove the setscrew (A), (B), and remove the belt cover. TO INSTALL: 2. Install the belt cover with the setscrew (A) and (B). Setscrew (A) Belt cover Setscrew (B)

  • Page 6: Front Cover

    MO200 5200QDC SERVICE ACCESS (4) FRONT COVER TO REMOVE: 1. Remove the top cover and belt cover (see pages 2 and 6). 2. Loosen the setscrew (A), (B), (C), (D) and (E), remove the setscrew (F). (Remove setscrews for the lump fixing plate when the setscrew (A) is hard to access.) 3.

  • Page 7: Service Access (5) Rear Cover

    MO200 5200QDC SERVICE ACCESS (5) REAR COVER TO REMOVE: 1. Remove the top cover and belt cover (see pages 2 and 6). 2. Loosen the setscrews (A), (B), (C), and (D), then remove the setscrew (E). * To remove the cover, detach the presser foot lifter section first, with the presser foot lifter in the down position.

  • Page 8: Presser Bar Height And Alignment

    MO200 5200QDC MECHANICAL ADJUSTMENT PRESSER BAR HEIGHT AND ALIGNMENT When the presser foot is raised, the clearance between the presser foot and the needle plate should be 5.7- 6.3 mm. When the presser foot is lowered, the edge of the foot and the feed dog window on the needle plate should be parallel.

  • Page 9: Needle Drop Position

    MO200 5200QDC MECHANICAL ADJUSTMENT NEEDLE DROP POSITION Set the stitch pattern at " "; the standard needle drop position should be at the center of the needle plate hole. When the needle swings in maximum zigzag width " ", the distance between both ends of the needle hole in the needle plate and the needle should be 0.2 mm or more.

  • Page 10: Needle To Hook Timing

    MO200 5200QDC MECHANICAL ADJUSTMENT NEEDLE TO HOOK TIMING When the machine is set the straight stitch pattern " " (left needle position), the amount of ascending travel of the needle bar from its lowest position to the position where the tip of the hook meets the right side of the needle should be 3.5 - 3.75 mm.

  • Page 11: Needle Bar Height

    MO200 5200QDC MECHANICAL ADJUSTMENT NEEDLE BAR HEIGHT The distance between the upper edge of needle eye and the tip of the hook should be in the range of 1.4- 1.75 mm when the tip of hook meets the right side of the needle in ascending travel of needle from its left and lowest position.

  • Page 12: Needle Clearance To Shuttle

    MO200 5200QDC MECHANICAL ADJUSTMENT NEEDLE CLEARANCE TO SHUTTLE The clearance between the needle and the tip of hook should be -0.1 to +0.05 mm. PREPARATION: 1. Remove the needle plate, bobbin holder, and bed cover (see page 3), and replace the needle with the test pin.

  • Page 13: Backlash (Between Lower Shaft Gear And Hook Drive Gear)

    MO200 5200QDC MECHANICAL ADJUSTMENT BACKLASH (BETWEEN LOWER SHAFT GEAR AND HOOK DRIVE GEAR) Jog the hook race back and forth to check rotary play. The standard play should be 0.8 mm (0.03") or less when the hook point is within the feed dog width. If play exceeds 0.8 mm, adjust as follows.

  • Page 14: Feed Dog Height

    MO200 5200QDC MECHANICAL ADJUSTMENT FEED DOG HEIGHT The highest position of the feed dog should be between 0.8 to 0.9 mm from the surface of the needle plate when the pressure foot pressure adjusting lever is set at "3" and the presser foot is raised.

  • Page 15: Zigzag Synchronization

    MO200 5200QDC MECHANICAL ADJUSTMENT ZIGZAG SYNCHRONIZATION The needle should start swing 8.2 mm above the surface of the needle plate when the machine is set for zigzag stitching. 1. Remove the front cover (refer to page 7). 2. Turn on the power switch, select the pattern no. 2 and set the machine at the maximum zigzag width.

  • Page 16: Needle Thread Tension

    MO200 5200QDC MECHANICAL ADJUSTMENT NEEDLE THREAD TENSION The standard tension should be 80 to 95 grams when the tension dial is set at "A" (auto), measured with a #50 white polyester thread being pulled at approximately 110 mm/sec. If the tension is outside the standard range, adjust as follows: ADJUSTMENT: 1.

  • Page 17: Stretch Stitch Feed Balance

    MO200 5200QDC MECHANICAL ADJUSTMENT STRETCH STITCH FEED BALANCE When the number 8 is sewn 5 times with the feed balancing dial at the standard setting mark, the measurement should be between 35.7 and 36.3 mm as shown. ADJUSTMENT PROCEDURE: 1. Turn the power switch on while pressing the reverse button & auto-lock button.

  • Page 18: Replacement And Adjustment Of The Needle Threader Plate

    MO200 5200QDC MECHANICAL ADJUSTMENT REPLACEMENT AND ADJUSTMENT OF THE NEEDLE THREADER PLATE If the hook of the threader plate is damaged, change and adjust the part as follows: TO CHANGE THE THREADER PLATE: TO REMOVE: 1. Push down the needle threader knob and pull the threader plate supporter (A) down to remove it (see FIG 1).

  • Page 19: Adjusting Buttonhole Lever Position

    MO200 5200QDC ADJUSTING BUTTONHOLE LEVER POSITION TO ADJUST THE BUTTONHOLE LEVER GUIDE: 1. Enter adjusting mode, by turning the power switch on while pressing the "Reverse" and "Auto-lock" buttons. Press the #4 key within 3 seconds. The LCD screen shows "BH sensor [H] or [L]".

  • Page 20: Connector Diagram

    MO200 5200QDC CONNECTOR DIAGRAM REFER TO THE DIAGRAM FOR LOCATING THE CONNECTOR POST ON THE CIRCUIT BOARD J : Bobbin winder switch (BLU) A : Buttonhole sensor (BLK) K : Presser foot lifter switch (BLK) B : Sewing light (WHT)

  • Page 21: Self Diagnostic Tests

    MO200 5200QDC SELF DIAGNOSTIC TESTS PREPARATION: • Turn off the power switch. • Shift the bobbin winder spindle to the left. • Raise the feed dog. • Shift the speed control lever to the left. • Remove the presser foot and raise the presser foot lifter.
  • Page 22 MO200 5200QDC SELF DIAGNOSTIC TESTS DEFECTIVE RESULTS / TESTS CORRECT RESULTS REPLACEMENT AND ADJUSTMENT DEFECTIVE RESULTS: Turn the power switch on while • The display shows "Self check start". • Does not enter the self- LCD & LED pressing the reverse button &...
  • Page 23 MO200 5200QDC SELF DIAGNOSTIC TESTS DEFECTIVE RESULTS / REPLACEMENT AND TESTS CORRECT RESULTS ADJUSTMENT The display shows "Sensor" and the DEFECTIVE RESULTS: BUTTONHOLE Lower the buttonhole lever. machine beeps. • The display does not change or SENSOR Pull, and push the buttonhole lever, show the correct results.

  • Page 24: Self Diagnostic Tests

    MO200 5200QDC SELF DIAGNOSTIC TESTS DEFECTIVE RESULTS / REPLACEMENT AND TESTS CORRECT RESULTS ADJUSTMENT DEFECTIVE RESULTS: Depress the foot control fully, then The display shows "Foot Controller" and • The value does not change. FOOT CONTROL release the foot control.

  • Page 25: Replacing Printed Circuit Board A And Fuses

    MO200 5200QDC REPLACING PRINTED CIRCUIT BOARD A AND FUSES REPLACING PRINTED CIRCUIT BOARD "A" TO REMOVE: 1. Remove the front cover (see page 5). 2. Unplug the connectors from the printed circuit board "A". 3. Remove the 3 setscrews and remove printed circuit board "A".

  • Page 26: Replacing Printed Circuit Board K And Slide Volume

    MO200 5200QDC REPLACING PRINTED CIRCUIT BOARD K AND SLIDE VOLUME REPLACING PRINTED CIRCUIT BOARD "K" TO REMOVE: 1. Remove the front cover unit (see page 5). 2. Unplug the printed circuit board "L" connector and slide volume connector. 3. Remove the 9 setscrews and remove the printed circuit board "K".

  • Page 27: Replacing Printed Circuit Board Fand Printed Circuit Board L

    MO200 5200QDC REPLACING PRINTED CIRCUIT BOARD F AND PRINTED CIRCUIT BOARD L REPLACING PRINTED CIRCUIT BOARD "F" TO REMOVE: 1. Remove the front cover unit (see page 5). 2. Unplug the printed circuit board "F" connector and remove the cs ring.

  • Page 28: Replacing Dc Motor And Adjusting Motor Belt Tension

    MO200 5200QDC REPLACING DC MOTOR AND ADJUSTING MOTOR BELT TENSION TO REMOVE: 1. Remove the belt cover (see page 4). 2. Unplug the DC motor connector. 3. Remove the two setscrews, then remove the DC motor and belt. TO INSTALL: 4.

  • Page 29: Replacing Machine Socket (Unit)

    MO200 5200QDC REPLACING MACHINE SOCKET (UNIT) REPLACING THE MACHINE SOCKET TO REMOVE: 1. Remove the front and rear cover (see page 5 and 6). 2. Remove the two screws and remove the machine socket. TO INSTALL: 3. To install the machine socket, follow the above procedure in reverse.

  • Page 30: Replacing The Transformer

    MO200 5200QDC REPLACING THE TRANSFORMER REPLACING THE TRANSFORMER TO REMOVE: 1. Remove the board "A" (see page 24). 2. Remove the two setscrews and remove the transformer. TO INSTALL: 3. To install the transformer, follow the above procedure in reverse.

  • Page 31: Replacing The Zigzag Width Motor

    MO200 5200QDC REPLACING THE ZIGZAG WIDTH MOTOR REPLACING THE ZIGZAG WIDTH MOTOR TO REMOVE: Remove the board "A" (see page 24). 2. Remove the two zigzag rod setscrews (A). Disconnect the connector from the board "A". 3. Remove the two setscrews (B) and remove the zigzag width motor.

  • Page 32: Replacing The Feed Stitch Motor

    MO200 5200QDC REPLACING THE FEED STITCH MOTOR REPLACING THE FEED MOTOR TO REMOVE: 1. Remove the base cover (see page 3). 2. Remove the front cover (see page 5). 3. Disconnect the connector from the board "A". 4. Remove the snap ring (E-3).

  • Page 33: Replacing The Needle Plate Motor

    MO200 5200QDC REPLACING THE NEEDLE PLATE MOTOR REPLACING THE NEEDLE PLATE MOTOR TO REMOVE: 1. Remove the base cover (see page 3). 2. Remove the front cover (see page 5). 3. Disconnect the connector from the board "A". 4. Remove the two setscrews (A) and remove the needle plate motor.

This manual is also suitable for:

5200qdcMc5200

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