Table of Contents
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Table of Contents
Related Manuals for Janome 5050
Summarization of Contents
Changing External Parts
Face Cover
Procedure to remove and attach the face cover of the sewing machine.
Free-Arm Cover
Procedure to remove and attach the free-arm cover of the sewing machine.
Front Cover
Procedure to remove and attach the front cover of the sewing machine.
Rear Cover
Procedure to remove and attach the rear cover of the sewing machine.
Mechanical Adjustment
Presser Bar Height
Adjusting the presser bar height to ensure proper sewing.
Needle Drop Position
Setting the needle drop position for correct stitch formation.
Adjustment of Hook Timing
Procedure to adjust the timing between the needle and the rotary hook.
Adjustment of Needle Bar Height
Adjusting the needle bar height relative to the hook timing.
Clearance Between Needle and Tip of the Rotary Hook
Setting the clearance between the needle and the rotary hook tip.
Feed Dog Height
Setting the correct height for the feed dog for fabric movement.
Top Tension
Adjusting the upper thread tension for optimal stitch quality.
Stretch Stitch Feed Balance
Balancing feed for stretch stitches and adjusting the feed mechanism.
Replacement and Adjustment of the Needle Threader Plate
Replacing and adjusting the needle threader plate for proper function.
Adjusting Buttonhole Lever Position
Adjusting the buttonhole lever and sensor for accurate buttonholes.
Self-Diagnostic Test
Preparation
Steps to prepare the machine before performing self-diagnostic tests.
Button Test
Testing the functionality of the machine's buttons and display.
Buttonhole Sensor Test
Testing the buttonhole sensor and lever mechanism.
Bobbin Winder Switch Test
Testing the bobbin winder switch operation.
Presser Foot Lifter Switch Test
Testing the presser foot lifter switch.
Upper Shaft Positioning Sensor Test
Testing the upper shaft positioning sensor.
Zigzag Motor and Feed Motor Test
Testing the operation of the zigzag and feed motors.
Foot Control Test
Testing the functionality of the foot control pedal.
Slide Volume Test
Testing the slide volume control.
DC Motor Test
Testing the main DC motor for proper operation.
Thread Tension Release Solenoid Test
Testing the thread tension release solenoid.
Thread Cutter Motor and Solenoid Test
Testing the thread cutter motor and solenoid.
EEPROM Test
Testing the EEPROM for data integrity.
Displaying Program Version
Procedure to display the current software version of the sewing machine.
Replacing the Electronic Components
Printed Circuit Board A Connection
Diagram showing connections for Printed Circuit Board A.
Printed Circuit Board A
Procedure to remove and attach Printed Circuit Board A.
Printed Circuit Board F2
Procedure to remove and attach Printed Circuit Board F2.
Printed Circuit Board F1
Procedure to remove and attach Printed Circuit Board F1.
Printed Circuit Board L
Procedure to remove and attach Printed Circuit Board L.
Driving Motor (DC Motor)
Procedure to remove and attach the driving motor and adjust belt tension.
Switching Regulator Unit
Procedure to remove and attach the switching regulator unit.
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