Lexmark C734dn Service Manual page 434

5026
System board listing (continued)
See "System board diagram" on page
Connector
JFDS1
Feed thru sensor
JFMUSB1
Front panel USB port
JFUSER1
Belt, exit, bubble sensors
JHVPS1
High-voltage power supply
JINT1
Interlock switch (5v)
JLVPS2
Low-voltage power supply
Service Manual
5-6
5-2.
Pin # Signal
1 VS12_FDS
2 S_FDS_FB
3 Ground
1 Ground
2 USB_DM1
3 USB_DP1
4 NC
5 Ground
1 S_FSR_BLT2_SNS
3 VS_BUB_LED
5 Ground
7 S_FSR_EXIT_SNSD
9 S_FSR_BLT1_SNS
1 Ground
3 C-DEVPWM
5 Y-DEVPWM
7 Ground
9 TONER_C
11 TONER_Y
13 GD_HV_CHRG_PWM
15 GD_HV_XFR_PWM_C
17 GD_HV_XFR_PWM_M
19 GD_HV_XFR_PWM_Y
21 PC_SNS
23 GD_HV_XFR_PWM_K
25 XFER_BOOST
1 VS24_JINT
2 Ground
3 VS24_INT
1 +5 V dc
3 +5 V dc
5 +25 V dc
7 Ground
9 Ground
11 V15_LVPS_FSR_RLY
Pin # Signal
2 GD_FSR_BLT1_RTN
4 S_FSR_BUB_SNSD
6 Ground
8 VS_EXIT_LED
10 GD_FSR_BLT1_RTN
2 +25VD
4 M-DEVPWM
6 K-DEVPWM
8 +5V_SW
10 TONER_M
12 TONER_K
14 V_SNS
16 C_SRVO_OUT
18 M_SRVO_OUT
20 Y_SRVO_OUT
22 +5V_HVPS
24 K_SRVO_OUT
26 GD_HVPS_ID
2 +5 V dc
4 GD_LVPS_0X
6 +25 V dc
8 Ground
10 Ground
12 GD_LVPS_HRON
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