Connecting The Cords - JUKI MF-7900 Instruction Manual

3. Connecting the cords

❶

A
Pass cords ❶ and  of the thread-trimming sole-
1)
noid, reverse feed stitching, motor signal etc. and
the motor cord through the hole A in the table to
route them to the underside of the table.

❾
❺
Insert pedal sensor cable  into connector  (CN34).
7)
Insert motor fan cord  into connector  .
8)
Insert 8P cord  to connector  (CN56).
9)
Be sure to securely insert the respective connectors after checking the inserting directions since all connec-
tors have the inserting directions. (When using a type with lock, insert the connectors until they go to the
lock.) The sewing machine is not actuated unless the connectors are inserted properly. In addition, not only
the problem of error warning or the like occurs, but also the sewing machine and the control box are damaged.
[Connecting the connector for the operation panel]

❽



❸


B
Loosen screw B in cover ❷ with a screwdriver to
2)
open the cover.
❻
❼


❹
The connector for the operation panel is provided.
Paying attention to the orientation of the connector  ,
connect it to connector (CN38)  located on the circuit
board. After the insertion, securely lock the connectors
to prevent them from coming off easily.
Be sure to turn OFF the power before con-
necting the connector.
– 3 –
❷
Connect 14P code ❸ coming
3)
from the machine head to con-
nector ❻ (CN36).
Insert 3P cord ❾ coming from
4)
the machine head into connec-
tor  (CN42).
5) Insert presser foot lifter cord 2P
❹ into connector ❼ (CN37).
Connect connector ❺ coming
6)
from the motor to connector ❽
(CN30) on the circuit board.