Lexmark C734dn Service Manual page 437

System board listing (continued)
See "System board diagram" on page
Connector
JPH1
Printhead
(continued)
JSB1
Cartridge SB
JSEC1
Security jumper
JT1
Test Connector
JT12
Manual Reset
JTDBUG1
Debug
JTLBT1
LB trace port
JTPS1
Toner Patch Sensor
JTRAY1
Tray 1 input, NMT sensors
5-2.
Pin # Signal
35 D_VDO_A-
36 Ground
37 I2C_CLK_PH
38 TG_VDO_LADJ_CD
39 I2C_DATA_PH
40 TG_VDO_LADJ_AB
1 S_SB_Y
2 Ground
3 S_SB_C
4 Ground
5 S_SB_M
6 Ground
7 S_SB_K
8 Ground
1 V2
2 Ground
3 Ground
1 Ground
2 Ground
1 MAX811_MR_
2 Ground
1 GD_DEBUG
2 Ground
1 Ground
2 TG_WF_RXD
3 TG_WF_TXD
4 +5 V dc or Ground
1 V12_LED_ON
3 GD_TPS_SNS
5 GD_TPS_SNS_RTN
7 Ground
9 I2C_DATA_TB
1 Ground
2 S_TRAY_INPUT
3 VS12_TRAY_INPT_LED
4 VS12_TRAY+5V_NMT
5 S_TRAY_NMT
6 Ground
Pin # Signal
2 VS12_3_3V
4 GD_TPS_PWM1
6 GD_TPS_TNR_SNS
8 I2C_CLK_TB
10 GD_TPS_THERM_SNS
Connector locations
5026
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