Lexmark X734de Service Manual page 579

System board listing (continued)
See "System board" on page
Connector
JOPT1
Option port
JPH1
Printhead
5-2.
Pin # Signal
1 +25VE
3 S_OPT_RXR
5 S_INPUT_FDT
7 Ground
1 VDO_SYNC_C
2 VDO_PHR_OK
3 VDO_SYNC_B
4 VDO_LENA
5 TG_VDO_SHADE_D
6 VS12_+3.3VPH
7 TG_VDO_SHADE_C
8 VS12_JPH1
9 TG_VDO_SHADE_B
10 VS12_JPH1
11 TG_VDO_SHADE_A
12 Ground
13 D_VDO_D2+
14 D_VDO_D2-
15 Ground
16 D_VDO_D+
17 D_VDO_D-
18 Ground
19 D_VDO_C2+
20 D_VDO_C2-
21 Ground
22 D_VDO_C+
23 D_VDO_C-
24 Ground
25 D_VDO_B2+
26 D_VDO_B3-
27 Ground
Pin # Signal
2 Ground
4 Ground
6 VS24_OPT_5V
8 S_OPT_TXR
Connector locations
7526
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