Lexmark X543 Service Manual
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Locations5-5 Lexmark confidential until announce7525xxx Connectors Controller board Connector Pin no. Signal JUSB1 Port G1 Ground 1 USB_5V_Sense 2 USB D- 3 USB D+ 4 Ground G2 Ground JUSBW1 1 Ground 2 USB_HST_VP 3 USB_HST_VM 4 Ground 5 +3.3 V 6 +3.3V JFAN1 1 FAN_FG 2 Ground 3V_FAN_P3 JMIRR1 1 MM_REFR 2 MM_LOCK 3 MM_START 4GND 5 +24V_VC JCTM1 1 +5V 2 CART_METER_C_IN 3 CART_METER_M_IN 4 CART_METER_Y_IN 5 CART_METER_K_IN 6GND
5-6Service Manual 7525xxxLexmark confidential until announce JMOD2 1 NC_30V_CUHD 2 NC_JMOD2_2 3 POR_CHUD_R- 4 +3.3V 5 +3.3V 6 NC_TONE_CUHD 7+5V 8 IRQ_CUHD 9 Ground 10 SDA_CUHD 11 Ground 12 SCL_CUHD 13 Ground 14 CLK_CUHD 15 Ground 16 SDO_CUHD 17 Ground 18 SDI_CUHD 19 Ground 20 CS_CU HD Controller board Connector Pin no. Signal
Locations5-7 Lexmark confidential until announce7525xxx JPH1 1 VDO_HSYNC1_C 2 VDO_PH_OK 3 VDO_HSYNC0 4VDO_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- Controller board Connector Pin no. Signal
5-8Service Manual 7525xxxLexmark confidential until announce JPH1 (continued) 21 Ground 22 D_VDO_2+ 23 D_VDO_2- 24 Ground 25 D_VDO_5+ 26 D_VDO_5- 27 Ground 28 D_VDO_1+ 29 D_VDO_1- 30 Ground 31 D_VDO_4+ 32 D_VDO_4- 33 Ground 34 D_VDO_0+ 35 D_VDO_0- 36 Ground 37 I2CCLK_PH 38 VDO_LADJ1 39 I2CDATA_PH 40 VDO_LADJ Controller board Connector Pin no. Signal
Locations5-9 Lexmark confidential until announce7525xxx JCCD1 - CCD ribbon cable 1 FBR_AFE_SDI 2FBR_AFE_SCK 3 FBR_AFE_SEN 4GND 5FBR_AFE_D(0) 6FBR_AFE_D(1) 7GND 8FBR_AFE_D(2) 9FBR_AFE_D(3) 10 GND 11 FBR_AFE_D(4) 12 FBR_AFE_D(5) 13 GND 14 FBR_AFE_D(6) 15 FBR_AFE_D(7) 16 GND 17 FB_AFE_VSMP_R 18 GND 19 FB_AFE_RSMP_R 20 GND 21 FB_CCD_CLK_R 22 GND 23 FB_CCD_CLAMP_R 24 GND 25 FB_CCD_RESET_R 26 GND 27 FB_CCD_PHASE1_R 28 FB_CCD_PHASE2_R 29 GND 30 FBR_CCD_TRANSFER 31 +5V 32 +5V 33 +14V 34 +14V 35 FB_POWER_SAVER 36 FB_LAMP_ON Controller board Connector Pin no. Signal
5-10Service Manual 7525xxxLexmark confidential until announce JHS - Home Sensor 1 +5V 2 GNDS 3HOME_C JFBM1 - Flatbed Motor 1 FBA- 2FBA 3FBB 4 FBB- JADF - ADF connector 1 I0A_ADF_C 2 I1A_ADF_C 3GND 4 DIRA_ADF_C 5GND 6 I0B_ADF_C 7 I1B_ADF_C 8GND 9 DIRB_ADF_C 10 GND 11 +24V 12 +24V 13 GND 14 +5V 15 PAP_PRES2_2 16 PAP_PRES3_C 17 VREF2_ADF_C 18 PAP_PRES_C 19 ADF_CVR_C 20 FIRST_SCAN_C 21 FB_CVR_C 22 SOL_EN_2 JSC1 1 V_CART_3V (+3.3V) 2 DATA_SC 3CLK_SC 4 Ground Controller board Connector Pin no. Signal
Locations5-11 Lexmark confidential until announce7525xxx JOPP1 1 I2C_DATA 2 V_PANEL+5V 3 I2C_CLK 4 Ground 5OP_IRQ_N 6+3.3 7 Ground JWT1 1 SENSE 2VREF 3VAC 4GND JCVR1 1 V_24V_CVR 2 COVER_OPEN JINT1 1 +5V Fused 2 Ground 3 VS_INT JTRAY1 1 ANODE (to+5V_SW) 2 DUPLEX_ENT 3 CATHODE (Ground) JTPS2 1 ANODE 2 CATHODE 3 Ground 4 (TPS2_ON)+5V_SW 5 Ground JFUSES1 1 V_FUSER_PHA+ 2 V_FUSER_PHA- 3 V_FUSER_PHB+ 4 V_FUSER_PHB- 5 FUSER_HR_THM (AVCC) 6 FUSER_HR_THM_RTN 7 +5V_SW 8 Ground 9S1_MPF_SNS 10 BELT_THM 11 FUSER_HR_THM_RTN 12 Ground Controller board Connector Pin no. Signal
5-12Service Manual 7525xxxLexmark confidential until announce JPJP1 1 +5V_SW 2 PAPER_JAM_DET 3 Ground JBIN1 1 V_BF 2S_BIN_FB 3 Ground 4V_BIN_4 5 FUSER_EXIT_SNSR 6 Ground JHVPS1 1 M_DEV_PWM_OUT 2 K_DEV_PWM_OUT 3 C_DEV_PWM_OUT 4 CMY_CHG_PWM_OUT 5 Y_DEV_PWM_OUT 6 K_CHG_PWM_OUT 7 CMY_SRVO_OUT 8 ITM_TX_PWM_OUT 9 CMY_TX_PWM_OUT 10 ITM_SRVO_OUT 11 K_SRVO_OUT 12 K_TX_PWM_OUT 13 +24V 14 Ground 15 5V_HVPS_REF 16 Ground JTPS1 1 ANODE 2 CATHODE 3 Ground 4 (TPS2_ON)+5V_SW 5 Ground JTHM1 1 TPS_THERM_SNS 2 TPS_SNS_RTN Controller board Connector Pin no. Signal
Locations5-13 Lexmark confidential until announce7525xxx JCARTB1 1 CART1_HALL_U 2 NC_CARTB1_2 3 CART1_HALL_V 4 V_CART2_WIND_W 5 CART1_HALL_W 6 V_CART2_WIND_V 7 CART1_PG 8 V_CART2_WIND_U 9 Ground 10 +5V 11 +5V 12 Ground 13 V_CART1_WIND_U 14 CART2_PG 15 V_CART1_WIND_V 16 V_CART1_WIND_W 17 V_CART1_WIND_W 18 V_CART1_WIND_V 19 NC_JCARTR1_19 20 V_CART1_WIND_U JSP1 1 ANODE 2M1_OUT1 3 CATHODE 4M1_OUT2 5 (+5V SW) VCC 6 Ground 7 Ground 8 CATHODE 9VOUTA 10 +5V 11 VOUTB 12 ANODE 13 Ground 14 ANODE 15 +5V 16 CATHODE Controller board Connector Pin no. Signal
5-14Service Manual 7525xxxLexmark confidential until announce JLVPS1 1 +5V 2 Ground 3+5V 4 Ground 5+5V 6 Ground 7 +24VC 8 Ground 9 +24VC 10 Ground 11 +24VC 12 Ground 13 RELAY_D RIVE 14 ZERO_XING_IN 15 HEAT1_ON 16 GND JOPT1 1 TXD_PP 2 Ground 3 Ground 4RXD_PP 5 +24V 6 Ground 7 +5V_OPTIONS 8S2 9 Ground 10 Ground Controller board Connector Pin no. Signal