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Janome MC400E User Manual
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19
MC450e
Replacing the Printed Circuit Board F
To remove:
1
.
Remov
e t
he face cover
, bed cover and front c
ov
er (ref
er
to pages 1
, 3 and 4
).
2.
D
isco
nnect th
e connec
tors for printe
d circuit b
oard F
from the pr
inted circ
uit board A
.
3.
Rem
ove the 2 setscrews (A
) and re
move the printed
circ
uit board F
.
To attach:
4.
Foll
ow the above proce
dure in reverse.
NOTE:
Refer to page 1
8 to locate the c
onnector
s.
Setscrews (A)
Front cover
Printed circuit board F
20
22
Table of Contents
Table of Contents
2
Replacing External Parts
3
Face Cover
3
Thread Cutter Cover
3
Base Plate
4
Bed Cover
5
Front Cover
6
Rear Cover
7
Carriage Cover
8
Belt Cover
8
Adjusting the Needle Drop Position
9
Hook Timing
10
Needle Bar Height
11
Clearance between the Needle and Hook
12
Backlash between the Rotary Hook Gear and Lower Shaft Gear
13
Upper Shaft Shield Position
14
Needle Thread Tension
16
Tension Release Mechanism
17
Replacement Needle Threader
18
Height of the Embroidery Foot
19
Printed Circuit Board a
20
Printed Circuit Board F
21
Presser Foot Lifter Detecting Switch
22
Automatic Thread Cutter
23
Remaining Bobbin Thread Sensor
24
Hoop Position
25
Carriage Unit
26
X-Sensor Position
27
Y-Sensor Position
28
Y-Carriage Supporter
29
Switching Power Supply
30
DC Motor Belt Deflection
31
Driving Motor
31
Replacing the Gear of the X-Carriage
32
Needle Bar, Presser Bar and Thread Take-Up Lever
33
Oil Wick
34
Lower Shaft Supporter (Front and Rear)
34
Y-Carriage
35
X-Carriage
35
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Janome MC400E Specifications
General
Brand
Janome
Model
MC400E
Category
Sewing Machine
Language
English
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