JUKI LBH-1790AN Instruction Manual page 13

(9) Connecting the cords
❷
❶
1) Loosen four setscrews ❷ of control box cov-
er ❶ . Remove control box cover ❶ .
2) Connect the cord to the connector on the
MAIN PCB as illustrated in the figure below.
3) Fix the earth cord with setscrew ❸ .
4) Install control box cover ❶ .
5) Fix control box cover with the washers,
spring washers and nuts ❹ .
MAIN circuit board
CN40
MAIN-INT C
Earth cord
CN15
CN17
❹
CN32
CN40
CN49
CN39
CN34
CN44
CN32
MAIN-INT B
CN34
Panel
CN17
Main motor cord
– 10 –
Sewing machine head
Operation panel
Electric bobbin winding device (optional)
CN39
Pedal
CN49
MAIN-INT A
CN15
Main motor encoder
❸
Earth cord