JUKI LBH-1790 Instruction Manual page 11

(9) Connecting the cords
Perform the connection of the cords as shown in the figure below.
CN16 CN14
CN44
CN34
MAIN circuit
board
SDC circuit board
CN14
CN16
1
CN14
CN16
SDC circuit
board
CN37
CN38
CN37
CN42
CN39
CN38
CN39
CN41
CN41
CN34
CN42
CN44
Cord
clamp A
– 9 –
Electric bobbin winding device (optional)
) Pass 4 cords (CN38, 39, 4, and 42) connect-
ng to the rght sde among the cords connectng
to MAIN crcut board through cord clamp A as
shown in the figure, and connect them to the re-
spectve connectors. Connect CN37 to the con-
nector wthout passng through cord clamp A.
In addton, when usng the electrc bobbn wnd-
ng devce (optonal), smlarly pass the cord
of the bobbn wndng devce through the cord
clamp and connect t to CN44.
2) Drectly connect the cord from the operaton
panel connectng to the left sde of MAIN crcut
board to CN34.
3) Connect the cords connectng to SDC crcut
board drectly to CN4 and CN6.
4) Fx the earth wre wth the setscrew 1 .
Sewing machine head
Operation panel