Circuit Board-A - Janome HD9 Service Manual

q
t
q
F1 Fuse
(AC250V 3.15A)
w
e
r
y
u
r
F2 Fuse
(AC250V 3.15A)

4. Circuit Board-A

To remove:
Remove the top cover.
z
Pull out connectors from the printed circuit board A.
x
Remove the cords from the cord clips q.
Remove the setscrews w and the printed circuit board
c
A case e.
Pull out the connectors under the case lid.
v
Remove setscrews r and printed circuit board A.
To attach:
Install the printed circuit board A and secure it with the
setscrews r.
Insert the following connectors:
b
t Machine socket (primary)
y Power transformer (primary)
u Driving motor
Attach the printed circuit board A case e and
n
secure it with the setscrews w.
Insert the remaining connectors and secure the cords
m
with the cord clips q on the case lid.
Attach the top cover.
,
NOTE:
Do not disconnect the connectors by pulling on cord.
To disconnect, grasp the connector, not the cord.
Changing the Fuse
Remove the Fuse from Fuse clip q with a screw
z
driver.
Insert a new fuse and push it down into the fuse clip.
x
NOTE:
Replace the fuse with the same type and rating.
If there is any trace of burning, browning or other
abnormalities on the printed circuit board A, replace it.
Fuse Manufacture
F1 SOC
F2 SOC
14
Type
ET-3.15A-250V
ET-3.15A-250V