JUKI LK-1900AN Engineer's Manual page 80

3) SDC board
The power supply is generated and error check is carried out. Main shaft control is effected, receiving the commands from the MAIN board.
F4 : 4A
Fuse fixed to the board
For +85V source primary
F5 : 4A
Fuse fixed to the board
For +33V source primary
LED2 : For power supply check
CN17 : For power supply ← FLT board
CN16 : For Main shaft motor power → Main shaft motor
F1 : 5A
Time lag fuse
For +85V
F2 : 3.15A
Time lag fuse
For +33V
F3 : 2A
Fast-blow type fuse
For +24V
CN11 : Power connector → Main board
+5V, +12V, +24V, +33V, +85V
CN10 : 24V for the FAN
CN18 : IFor IPM temperature sensor
CN13 : For momentary interruption detection ← FLT board
CN14 : For Main shaft encoder → Main shaft motor
CN15 : For Main communication
→ Main board
LED1 : For operationa and error check
DIPSW 1-1 : For testing - off
1-2 : For testing - off
1-3 : For testing - off
1-4 : Penetration force - off
DIPSW 2-1 : For weiting - off
2-2 : For mode setting - off
2-3 : For mode setting - off
2-4 : For mode setting - off