JUKI HZL-UX8 Series - Page 15

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• Power PCB
Connector No. Destination Check
CN1 Power SW AC input
CN2 Power supply relay lead wire 1-2PIN 29V, 4-5PIN GND (FG)
CN1
CN2
Connec-
tor No.
Destination
Termi-
nal No.
CN20 Automatic DF
STM
1
A
4.0Ω
2 A
3 B
4.0Ω
4
B
CN25 Main shaft de-
tection PCB
1 5V
2 Motor pulse
3 S1
4 S2
5 S3
6 GND
CN26 Bobbinwinding
motor
1 Bobbinwinderswitch
2 GND
3 Bobbinwindermotor(+)(29V)
4 Bobbinwindermotor(-)
CN27 Controller socket 1 GND
2 Controller
CN28 Power supply
relay lead wire
1 29V
2 29V
3 NC
4 GND
5 GND
CN29 MotorlterPCB 1 Mainmotor(+)(29V)
2 Main motor (-)
3 FG
Connec-
tor No.
Destination
Termi-
nal No.
CN30 Knee lifter slide
VR PCB
1 3.3V
2 Knee lifter position detec-
tion signal
3 GND
CN31 Presser foot lifting
switchcableasm.
1 Presser foot lifting switch
2 GND
CN34 Top feed detection
PCB
1 3.3V
2 Top feed detection signal
3 GND
CN35
LED PCB
1 +5V
CN36
LED PCB
1 +5V
CN37
LED PCB
1 +5V
CN38
LED PCB
1 +5V
CN39
Bobbinthread
detection sensor 1
1 +5V
2 Sensor input signal
CN40
Bobbinthread
detection sensor 2
1 Infrared LED output
2 GND