Pin Connection - Samsung MX-J730 Service Manual

5. PCB Diagram

5.2.1. Pin Connection

1) FCN1
Connect to VFD
Pin No. Signal
1 DGND
2 VP
3 -VFD
4 +VFD
5 DGND
6 VFD_CE
7 VFD_CLK
8 VFD_DO
9 KEY3
10 RE_IN
11 ST_5V
12 ST_5V
13 DGND'
2) FCN2
Connect to VFD
Pin No. Signal
1 DGND
2 VP
3 -VFD
4 +VFD
5 DGND
6 VFD_CE
7 VFD_CLK
8 VFD_DO
9 KEY3
10 RE_IN
11 ST_5V
12 ST_5V
13 DGND'
5-3
3) CN1
Connect to Main
Pin No. Signal
1 -VP
2 VFD-
3 VFD+
4 DGND
5 VFD_CE
6 VFD_CLK
7 VFD_DO
8 JOG-
9 JOG+
10 DGND
11 KEY_AD2
12 KEY_AD1
13 DGND
14 REMOTE
15 ST_5.1V
16 USB1_5V
17 USB1_DN
18 USB1_DN
19 USB1_DP
20 USB1_DP
21 USB2_5V
22 GND
23 USB2_DN
24 USB2_DN
25 USB2_DP
26 USB2_DP
27 DGND
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