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This was produced based on up-to-date product specifications at the time of issue, but there may have been changes of specifications for the purpose of improvements. Contact manufacturer or local sales company for information concerning such changes. Brother Industries, Ltd. Nagoya, Japan I . PRINCIPAL MECHANISMS................1-0 II .
POWER TRANSMISSION CHART Generating mechanism for the needle (thread cartridge) Thread cartridge installation/removal and thread-cutting mechanism WIRING DIAGRAM OF ELECTRONIC COMPONENTS...
FUNCTIONS OF ELECTRONIC COMPONENTS AC adaptor ...........Used to supply power to the unit. Be sure to use the specially designed AC adaptor (Power) key........Used to turn the unit on and off. When the power supplied to the unit is cut, unplug the AC adaptor from the electrical outlet.
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1. DISASSEMBLING THE OUTER PARTS AND MAIN PARTS...... 2-1 2. ASSEMBLING THE OUTER PARTS AND MAIN PARTS......2-8 3. LEAD WIRE ARRNGEMENT (For details, refer to the instructions of wiring.)........2-15 4. POST-REPAIRS INSPECTION PROCEDURES......... 2-16...
DISASSEMBLING THE OUTER PARTS AND MAIN PARTS With test mode 2, move the carriage to its removal position. Selecting test mode 2 Enter the test mode by holding down while pressing , then releasing Press (to initialize) . appears. MESH PTN Press appears.
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Remove the two screws securing the needle plate cover, and then remove the needle plate cover. Remove the two screws securing the carriage guide, and then remove the carriage guide. Remove the screw securing the REG board assy, and then remove the REG board assy. Remove the screw securing the sensor board assy, and then remove the sensor board assy.
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Pull the cassette button forward, and when it is partially removed, turn it counterclockwise to remove it from the cassette button spring. 10. Remove the cassette button spring. 11. Remove the cassette release lever spring. 12. Remove the retaining ring, and then remove the cassette release lever assy and the washer. 13.
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15. Remove the three E2 retaining rings and the E3 retaining ring, and then remove the thread cutter lever assy, and the two thread cutter links. 16. Remove the E3 retaining ring. 17. Remove the screw, and then remove the thread cutter assy. 18.
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20. Remove the retaining ring, and then remove the driving cam. 21. Pull the pin from the shaft. 22. Remove the retaining ring, and then remove the idle gear. 23. Remove the two retaining rings, and then remove the driving lever assy, the two collars, and the polyester slider.
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28. Remove the screw, and then remove the spring and the pin (for the Y pulse motor assy). 29. Remove the screw, and then remove the spring and the pin (for the X pulse motor assy). 30. Remove the two screws, and then remove the X pulse motor assy. 31.
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33. Remove the four screws and the main PC board assy screw, and then remove the middle cover. 34. Remove the three screws, and then while pressing on the composite spring section of the upper cover assy, remove the liquid crystal display. Next, remove the main PC board assy. 35.
ASSEMBLING THE OUTER PARTS AND MAIN PARTS Attach the cassette guide to the upper cover assy. Install the operation keys. While pressing on the composite spring section of the upper cover assy, attach the liquid crystal display, and then secure the main PC board assy with the three screws. Secure the middle cover with the four screws and the main PC board assy screw.
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Install the X pulse motor assy and secure it with the two screws. Attach the spring to the X carriage. Install the spring and the pin, and then secure them with the screw (for the X pulse motor assy). Install the spring and the pin, and then secure them with the screw (for the Y pulse motor assy). Pass the X guide shaft L and the X guide shaft S through the holes in the X carriage, and then secure the guide shafts with the four retaining rings.
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10. Secure the Y pulse motor assy with the two screws. 11. Secure the idle gear with the retaining ring. 12. Secure the main motor assy with the two screws. (Position the main motor assy so that the red lead wire is almost at the top.) 13.
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19. From the bottom of the under cover assy, secure the base plate assy with the three screws. 20. Secure the thread cutter assy to the base plate assy with the screw. 21. Attach the E3 retaining ring to the thread cutter lever shaft of the base plate assy. 22.
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25. Pass the cassette lever spring over the lever shaft, and then attach it with the retaining ring. 26. Pass the cassette lever over the lever shaft, hook the cassette lever spring onto the cassette lever (as shown in the illustration below), and then attach it with the retaining ring. 27.
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31. Secure the sensor board assy with the screw. 32. Secure the REG board assy with the screw. (LEAD WIRE ARRANGEMENT (page 2-15); For details, refer to the instructions of wiring.) 33. Position the Y carriage at the innermost position, and then secure the carriage guide with the two screws. 34.
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35. Insert the 6 connectors into the upper cover assy. 36. Secure the upper cover assy to the under cover assy with the three screws. Refer to the bottom-view diagram below. (LEAD WIRE ARRANGEMENT (page 2-15); For details, refer to the instructions of wiring.) Note 36.
POST-REPAIRS INSPECTION PROCEDURES Selecting a test mode Enter the test mode by holding down while pressing , then releasing Press (to initialize). appears. MESH PTM to select the test mode. Checking the LCD (liquid crystal display) Select test mode 4 LCD CHECK Press Vertical lines appear and the pile indicator lights up...
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Press , and then check that the screen for inserting the thread cartridge appears after the animation is displayed. Press , and then check that the screen indicating that the needle can be moved appears. Press , and then check that appears again.
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12) Install a different thread cartridge. 13) Repeat steps 5 through 10, and then check the embroidering position of sides A and B of the design fabric in the embroidery frame. 14) Press to return to test mode 7 A-B POS SET 15) Check by moving the embroidery frame mount to the inside, then looking at side A to see the difference in the embroidered lines for sides A and B.
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A-B POS SET Press appears. SET OK? A-B POS SET Press appears . 10) Press to return to test mode 7 A-B POS SET 11) Perform procedure (5) again to check the embroidering positions of side A and side B of the embroidery frame.
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III. 1. The machine does not come on, even after is pressed ....... 3-1 2. When the unit is turned on, a system error is displayed ......3-1 3. The embroidery frame does not move............3-1 4. A pattern cannot be selected..............3-1 5.
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∗ Before measuring the resistance, be sure to unplug the AC adaptor from the unit and disconnect the connector being measured from the main PC board assy. ∗ For points to be checked, refer to the diagrams of the PC boards. PROBLEM CHECK REMEDY...
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5. Embroidering 6) With the unit turned on, manually turn the wheel slowly, and 6) Replace the sensor board assy. does not start. then check that each potential between pins 2 and 4 and between pins 3 and 4 of CN7 on the main PC board alternately changes between 0 V 3.3 V.
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Main PC board ASSY REG board ASSY Sensor board ASSY...
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1. PARTS CATALOGUE ................... 4-1 2. OTHER PARTS ..................... 4-3...
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XC2717021 Main PC board ASSY 51 XC1773021 Needle plate cover (E-100:Europe) 52 083310615 Taptite, B3 x 6 XC2718021 Main PC board ASSY 53 XC1774026 Upper cover ASSY (E-100:U.S.A.) (E-100P:U.S.A., Canada) XC1774021 Upper cover ASSY (E- XC2719021 Main PC board ASSY XC1774027 Upper cover ASSY (E-100P:Europe) (E-100P: U.S.A.)
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