JUKI HZL-UX8 Series - PCB Connection Diagram

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[5] PCB connection diagram
• Main PCB
Connec-
tor No.
Destination
Termi-
nal No.
CN13 Presser-lifter
STM
1
A
4.0Ω
2 A
3 B
4.0Ω
4
B
CN14 Top feed STM 1
A
4.0Ω
2 A
3 B
4.0Ω
4
B
CN15 Thread tension
STM
1
A
4.0Ω
2 A
3 B
4.0Ω
4
B
5 GND
6 Origin detection signal
7 5V
CN16 BH sensor 1 GND
2 BHR switch
3 BHS switch
4 3.3V
CN17 SW/slide vol-
ume PCB
1 LED G
2 LED R
3 Reverse stitch switch
4 S/S switch
5 Thread trimming switch
6 Needle up/down switch
7 Auto-lifter switch
8 Lock stitch switch
9 GND
10 Speedcontrolvariable
resistor
11 GND
12 5V
CN18 SW/slide vol-
ume PCB
1 DF switch
2 LED DF
3 GND
CN19 Isolate PCB 1 5V
2 5V
3 GND
4 GND
5 RXD
6 TXD
7 S.STATE
8 UDET
9 Reset
10 5V
11 5V
12 Panel detection signal
13 GND
14 GND
15 NC
Connec-
tor No.
Destination
Termi-
nal No.
CN1 Debug
(Unused)
1 3.3V
6 GND
CN2 Flash memory
interface
1 5V
5 GND
CN3 Needle throwing
STM
1
A
5.0Ω
2 A
3 B
5.0Ω
4
B
CN4 Feed STM 1
A
4.0Ω
2 A
3 B
4.0Ω
4
B
CN5 Thread trimming
STM
1
A
4.0Ω
2 A
3 B
4.0Ω
4
B
5 GND
6 Origin detection signal
CN6 Potentiometer
cableasm.
1 3.3V
2 Position detection
signal
3 GND
CN9 Throat plate
switch PCB
1 Throat plate switch 1
2 Throat plate switch 2
3 GND
CN4
CN14
CN5
CN20
CN13
CN15
CN3
CN31
CN6
CN17
CN29
CN25
CN30
CN39
CN40
CN26 CN16 CN2 CN18 CN34 CN1
CN28
CN27
CN19
CN9
CN35
CN36
CN37
CN38