Lexmark X543 series Service Manual page 273

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