Lexmark X734de Service Manual page 573

System board listing
See "System board" on page
Connector
J1
AIO motor driver control (MDC)
J2
UART MDC control
J3
Ethernet port
5-2.
Pin # Signal
1 Ground
3 FBR_LVDS_MCLK-
5 FBR_LVDS_RXCLK-
7 Ground
9 FBR_LVDS_RXIN2-
11 FBR_LVDS_RSIN1+
13 Ground
15 FBR_LVDS_RXIN0+
17 FBR_AFE_NRST_R
19 FBR_AFE_SDIO-R
21 FBR_AFE_SEN_
23 FB_PWRSVR_R
25 +5V_F_Aio
27 24V_FB_CDU
29 FB_LAMP_ON_R
1 Ground
3 24V_MDC
5 Ground
7 BOOT_SEL_DN
9 +5V_F_AIO
11 MDC_RXD_CN
13 Ground
15 FB_COV_CLOSED_R
17 MDC_RES1_CN
19 Ground
21 3.3v_MDC
23 I2C_CLK_MDC_R
1 UI_RESET_NR
3 Y1M_LVDS
5 Y2M_LVDS
7 CLK_TX-
9 Ground
11 RXD232_N
13 Y0M_LVDS
15 Ground
17 5V_UI
Pin # Signal
2 FBR_LVDS_MCLK+
4 Ground
6 FBR_LVDS_RXCLK+
8 FBR_LVDS_RXIN2+
10 Ground
12 FBR_LVDS_RXIN1-
14 FBR_LVDS_RXIN0-
16 Ground
18 Ground
20 FBR_AFE_SCK_R
22 FBR_AFE_SH_R
24 +5V_F_AIO
26 Ground
28 24V_FB_CDU
30 Ground
2 24V_MDC
4 24V_MDC
6 TOP_FB_CN
8 +5V_F_AIO
10 Ground
12 MDC_TXD_CN
14 ADF_PAPER_PRES_R
16 Ground
18 MDC_RES2_CN
20 MDC_RST_NR
22 Ground
24 I2C_DATA_MDC_R
2 Ground
4 Y1P_LVDS
6 Y2P_LVDS
8 CLK_TX+
10 5V_UI
12 TXD232_N
14 Y0P_LVDS
16 5V_UI
18 5V_UI
Connector locations
7526
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