Lexmark C734 Service Manual page 399

System board listing (continued)
See "System board diagram" on page
Connector
JCFT1
Functional tester I/F
JCONF1
0
H Model only
JCVR1
Cover open switch (25v)
JDVR1
TBM stepper/door cam driver
JDX1
Duplex / MFP BDC motor drive
JFAN1
System fan
JFDPCK1
Paper Feed/Waste Toner Motor
and Tray 1 Pick
5-2.
Pin # Signal
1 CFT1
2 CFT2
3 Ground
4 CFT3
5 CFT4
6 Ground
7 CFT5
8 CFT6
1 PLL_CFG1
2 +1.8 V dc
3 PLL_CFG2
1 V48_25V_CVR
2 V48_25VD_CVR
1 +25VE
3 +5V_FUSED
5 +3.3V_ENG
7 GD_TBM_RESET
9 GD_TBM_REF_CLK
11 GD_TBM_PWM
13 GD_DOOR_CAM_PWM
15 GD_CAM_CURR_SNS
17 TBM_STEP_SNS
1 VS12_DUP_ENC_LED
2 S_DUP_MPF_ENC
3 Ground
4 V24_DUP_MPF_M-
5 V24_DUP_MPF_M+
1 Ground
2 V18_FAN_MTR
3 S_FAN_FG
4 NC
1 VS12_FEED_ENC
3 S_FEED_ENC
5 Ground
7 V24_FEED_MTR-
9 V24_FEED_MTR+
Pin # Signal
2 +25VE
4 Ground
6 GD_TBM_DIR
8 GD_TBM_ENABLE
10 Ground
12 GD_TBM_STEP_MODE
14 GD_DOOR_CAM_DIR
16 Ground
18 Ground
2 V24_PICK_M+
4 V24_PICK_M-
6 Ground
8 S_T1PK_ENC
10 VS12_5V_ENC
Connector locations
5026
5-5