Lexmark X543 Service Manual page 315

Controller board
Connector
JPH1
Pin no. Signal
1 VDO_HSYNC1_C, + 5 V dc
2 VDO_PH_OK, +3.3 V dc
3 VDO_HSYNC0, + 5 V dc
4 VDO_LEN0, +3.3 V dc
5 VDO_BOOST3
6 +3.3V
7 VDO_BOOST1
8 +5V_PH, + 5 V dc
9 VDO_BOOST2 (Shade B)
10 +5V_PH, + 5 V dc
11 VDO_BOOST0
12 Ground
13 D_VDO_7+
14 D_VDO_7-, + 1.5 V dc
15 Ground
16 D_VDO_3+, + 1.5 V dc
17 D_VDO_3-
18 Ground
19 D_VDO_6+
20 D_VDO_6-
7525-xxx
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Locations
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