Replacing Electronic Components; Printed Circuit Board A - Janome Skyline s7 Service Manual

Setscrews
Setscrews
LCD Module
Bobbin Winder Switch
CNASP1
(Blue)
No Connection
Upper Shaft Phase Sensor
CNAP1 (Black)
External Thread Cutter
CNACTT1 (Black)
Switch Jack
USB Board
CNAUSB1 (Black)
Zigzag Motor
CNABM1 (White)
Thread Tension Motor
CNATTM1 (Black)
Presser Foot Motor
CNAUDM1 (Black)
Driving Motor
CNAM1 (White)
CNANP1
CNADD1
(Brown) (White)
Feed Dog Sensor

Replacing electronic components

Board A schematic
Lighting LED 1
Touch Panel
Lighting LED 2
CNALCD1
CNAL2
CNATP1 CNAL1
CNAL3 (Red)
(Black) (White)
Lighting LED 3
Speed Control Slider
CNAVR1 (White)
No Connection
Print Board F
CNAF1 (Black)
Foot Position Sensor
CNAFU1 (Black)
BH Sensor
CNABH1 (Black)
CNAKL1 (White)
CNAPS1 (White)
Variable Zigzag Control
Switching Power
Supply
CNAFM1 (Black) CNATM1 (White)
Feed Motor Thread Cutter Motor
Needle Plate Sensor

Printed circuit board A

NOTE:
Do not disconnect connectors by pulling on cord.
To disconnect the connectors, grasp the connector,
not the cord.
To remove:
1. Remove the front cover (see page 5).
2. Disconnect the connectors from the printed circuit
board A.
3. Remove the 4 setscrews and printed circuit board A.
To attach:
Follow the above procedure in reverse.
Refer to the board A schematic for locating the
connectors on the printed circuit board A.
After replacing the printed circuit board A, adjust the fol-
lowing items:
• Knee Lifter (see page 36)
• Presser bar height (see page 34)
• Embroidery foot height (see page 35)
8