Engin Controller - Samsung CLX-8540ND Service Manual

5.2.2 Engin controller

CN33 CN34
15 1
14 2
13 3
12 4
11 5
10 6
9 7
8 8
7 9
6 10
5 11
4 12
3 13
2 14
1 15
1
FAN 2
3
1
2
3
PBA-FDB
4
5
6
1
HUMIDITY /
2
TEMPARATURE
3
SENSOR
4
CN1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
CN1
CN7
(ROSE , Magnolia
.)
1
1 GND
2
2 GND
3
3 GND
4
4 24VS2
5
5 24VS2
6
6 5V3
7
7 PWM_FUSER_BIAS
8
8 PWM_DEV_DC_4
9
9 PWM_DEV_DC_2
10
10 PWM_DEV_DC_1
11
11 PWM_DEV_DC_3
12
12 PWM_SAWPLATE
13
14
15
16
CN3
17
18
1 PWM_LSU_SIDE_FAN 19
1
20
FAN 2 2 SENS_FAN_LSU_DISE
21
3 3 GND
22
23
24
CN4
25
26
1
1 GND 27
PBA- 2
2 WASTE_FULL
28
WASTE_SENSOR 3
3 ON_WASTE_LED 29
4
4 5V3
30
CN2
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
BLDC
6
7
8
9
10
1
DC MOTOR
2
CN12 (DEVE 1) CN11
CN3 (DEVE 2)
CN4 (DEVE 3)
CN5 (DEVE 4)
1
2
1 TSEN_VCONT_1,2,3,4 3
2 24VS1
4
3 TONER_CON_1,2,3,4 5
4 GND
6
5 GND 7
6 SCL2_LPEC3 8
7 SDA_LPEC3 9
8 3.3V 10
11
12
13
CN7 (ERASER 1) 14
CN8 (ERASER 1)
15
CN9 (ERASER 1) 16
CN10 (ERASER 1)
17
18
1 5V3
2 EN_ERASER_123,4
CN1 (CRUM Y) CN9
CN2 (CRUM C)
CN3 (CRUM M)
CN4 (CRUM K)
1
2
3
1 (NC)
4
2 (NC)
5
3 GND
6
4 SCL
7
5 DATA
8
6 VCC
9
7 (NC)
10
8 (NC)
11
12
CN5 (MOT Y)
1 ON_DMOT_TNR_1
2 EN_DMOT_TNR_1
CN6 (MOT M)
1 ON_DMOT_TNR_2
2 EN_DMOT_TNR_2
CN7 (MOT C)
1 ON_DMOT_TNR_3
2 EN_DMOT_TNR_3
CN8 (MOT K)
1 ON_DMOT_TNR_4
2 EN_DMOT_TNR_4
Service Manual
System diagram
CN37
FINISHER
1 nDETECT_FINISHER
2 FINISHER_TXD
3 FINISHER_RXD
4 nRST_FINISHER
5 IF_FINISHER
6 3.3V
7 5V3
8 24V3
9 24V3
10 24V3
11 GND
12 GND
13 GND
14 GND
15 GND
CN27
FAN & FUSER & HUMI
1 24V3
2 SENS_FAN_SMPS
3 PWM_SMPS_FAN
4 GND
5 EN_RELAY_AC
6 ZERO_CROSS
7 HEAT_FUSER2
8 HEAT_FUSER1
9 24VS2
10 OUT_TEMP
11 GND
12 HUMIDITY
13 5V3
CN40
HVPS3
1 GND
2 GND
3 GND
4 GND
5 24VS2
6 24VS2
7 5V_HVPS
8 PWM_FUSER_BIAS_N
9 PWM_FUSER_BIAS_P_S2
10 PWM_DEV_DC_4_S2
11 PWM_DEV_DC_2_S2
12 PWM_DEV_DC_1_S2
13 PWM_DEV_DC_3_S2
14 PWM_SAWPLATE_S2
CN25
HVPS1
1 READ_MHV_4(K)
2 READ_MHV_2(M)
3 GND
4 PWM_DEV_DC_4(K)
5 PWM_DEV_DC_2(M)
6 PWM_MHV_4(K)
7 PWM_MHV_2(M)
8 GND
9 24VS2
CN39
10 PWM_AC_VPP_1(Y)
WASTE MOT & LSU CLN
11 PWM_AC_VPP_2(M)
12 PWM_AC_VPP_3(C)
13 PWM_AC_VPP_4(K)
DMOT_LSU_CLN_OUTA 1
14 PWM_AC_1(Y)
DMOT_LSU_CLN_OUTB 2
15 PWM_AC_2(M)
3.3V 3
16 PWM_AC_3(C)
GND 4
17 PWM_AC_4(K)
nSENS_LSU_CLEAN 5
18 nEN_AC_1(Y)
24VS1 6
19 nEN_AC_2(M)
ON_DMOT_WASTE 7
20 nEN_AC_3(C)
3.3V 8
21 nEN_AC_4(K)
GND 9
22 24VS2
nSENS_WASTE_MOT 10
23 GND
24 PWM_MHV_1(Y)
25 PWM_MHV_3(C)
26 PWM_DEV_DC_1(Y)
27 PWM_DEV_DC_3(C)
CN4
28 5V_HVPS
STEP MOTOR
29 READ_MHV_1(Y)
30 READ_MHV_3(C)
B_STEP_EXIT 1
NB_STEP_EXIT 2
NA_STEP_EXIT 3
A_STEP_EXIT 4
B_STEP_DUPLEX 5
NB_STEP_DUPLEX 6
CN33 NA_STEP_DUPLEX 7
HVPS2
A_STEP_DUPLEX 8
CN5
1 GND
BLDC FUSER
2 WASTE_FULL
3 GND
4 PWM_LSU_SIDE_FAN
BLDC_FUSER_DIR 1
5 READ_THV1_4(K)
CLK_FUSER_ITB 2
6 READ_THV1_2(M)
nBLDC_FUSER_READY 3
7 GND
nBLDC_FUSER_EN 4
8 PWM_FUSER_BIAS
5V3 5
9 nEN_THV2
BLDC_FUSER_BRAKE 6
10 PWM_THV1_4(K)
GND 7
11 PWM_THV1_2(M)
GND 8
12 GND
24VS2 9
13 24VS2
24VS2 10
14 PWM_THV1_1(Y)
15 PWM_THV1_3(C)
16 PWM_THV2
17 PWM_SAWPLATE
18 5V_HVPS
19 READ_THV1_1(Y) CN101
20 READ_THV1_3(C) ITB CRUM IF
21 READ_THV2
22 SENS_FAN_LSU_SIDE
GND 1
23 ON_WASTE_LED SCL2_LPEC3 2
24 5V3
SDA2_LPEC3 3
3.3V 4
CN30
DUPLEX & TOP SENS
CN24
BLDC OPC
3.3V 1
GND 2
nSENS_DUPLEX_READY 3
1 BLDC_OPC_DIR
GND 4
2 CLK_BLDC_OPC
nSENS_TOP 5
3 nBLDC_OPC_READY
5V3 6
4 nBLDC_OPC_EN
5 5V3
6 BLDC_OPC_BRAKE
7 GND
8 GND CN29
9 24VS1
CLUTCHS
10 24VS1
11 DMOT_T1_OUTA
24V4 1
12 DMOT_T1_OUTB
PICKUP_CLUTCH 2
24V4 3
FEED_CLUTCH 4
24V4 5
REGI_CLUTCH 6
CN77
CN32
DEVE CRUM
SCF
1 24VS1
(NC) 1
2 GND
3 TSEN_VCONT_1 (NC) 2
GND 3
4 TONER_CON_1
5 TSEN_VCONT_2 GND 4
GND 5
6 TONER_CON_2
7 TSEN_VCONT_3 nCMD_REQ_SCF 6
SCF_RXD 7
8 TONER_CON_3
9 TSEN_VCONT_4 nRST_SCF 8
3.3V_SCF 9
10 TONER_CON_4
11 5V3 24V3 10
12 EN_ERASER_123 24V3 11
(NC) 12
13 EN_ERASER_4
14 GND (NC) 13
GND 14
15 3.3V
16 SCL2_LPEC3 GND 15
(NC) 16
17 SDA2_LPEC3
18 GND IF_SCF 17
nBUSY_SCF 18
SCF_TXD 19
3.3V_SCF 20
GND 21
24V3 22
CN8
CN102
BASE & DUPLEX
TB CRUM IF
1 ON_DMOT_TNR_1
2 EN_DMOT_TNR_1 3.3V 1
3 ON_DMOT_TNR_2
GND 2
4 EN_DMOT_TNR_2 nSENS_PAPER_UPLIMIT 3
5 ON_DMOT_TNR_3
3.3V 4
6 EN_DMOT_TNR_3 GND 5
7 ON_DMOT_TNR_4
nSENS_P_EMPTY 6
8 EN_DMOT_TNR_4 ON_DMOT_ELEV 7
9 GND
24V3 8
10 SCL0_LPEC3 3.3V 9
11 SDA0_LPEC3
GND 10
12 3.3V
nDETECT_CST 11
GND 12
nPAPERSIZE2 13
nPAPERSIZE1 14
nPAPERSIZE0 15
3.3V 16
GND 17
nSENS_PAPER_NEAREND 18
24VS1 19
DUPLEX_CLUTCH 20
PWM_DUPLEX1_FAN 21
SENS_FAN_DUPLEX1 22
GND 23
PWM_DUPLEX1_FAN 24
SENS_FAN_DUPLEX1 25
GND 26
3.3V 27
GND 28
nSENS_DUPLEX 29
(NC) 30
PBA-CLX8540_ENGINE
1
PHOTO
2
INTERRUPTOR
3
1
DC MOTOR
2
ELECTRIC- 1
CLUTCH 2
1
PHOTO
2
INTERRUPTOR
3 ELECTRIC- 1
CLUTCH 2
1
DC MOTOR
1
2
SPEAKER
2
1
PHOTO
2
INTERRUPTOR
3
1
SWITCH
2
1
1
2 SWITCH
STEP MOTOR 2
3
4
1
2
STEP MOTOR
3 1
SWITCH
2
4
1
2
1
3
2
4
3
5
BLDC
4
6
5
7
6
8
7
9
8
10
CN1
1
1
2
2
3
3
4
4
5
6
1
PHOTO
2
INTERRUPTOR
3
1
2
1 3
PHOTO
4
2
INTERRUPTOR
3 5
6
1 ELECTRIC- 1
PHOTO
2 CLUTCH
2
INTERRUPTOR
3
1 ELECTRIC-
1
2 CLUTCH THERMISTOR
2
1 ELECTRIC- 1
THERMISTOR
2 CLUTCH
2
1 10
2
PBA-F_CRUM
3
J11
J10
1
J9
PHOTO
2
J8
INTERRUPTOR
3
J7
J6
J5
J4
J3
1
J2 2
J1
3
J22
4
J21
5
BLDC
J20
6
10
J19
7
11
J18
8
12
J17
9
13
J16
10
J15
J14
J13
J12
1
DC MOTOR
2
1
1
PHOTO
PHOTO
2
2
INTERRUPTOR
INTERRUPTOR
3
3
1
PHOTO
1
2
INTERRUPTOR
3 2
3
4
10
1
5
DC MOTOR BLDC 11
2 6
12
7
13
8
14
1 9
15
2 10
3
4 PBA-CASSETE
5
6
7
1
PHOTO
2
1 INTERRUPTOR
PHOTO
3
2
INTERRUPTOR
3
1
1 ELECTRIC-
2
2 CLUTCH
3
4
1 5
BLDC
2 FAN 6
10
3 7
11
8
12
9
1 13
10
14
2 FAN
3
1
PHOTO
2
INTERRUPTOR
3
5-7
CN6
EXIT SENS
3.3V 1
GND 2
nSENS_P_EXIT 3
CN35
T1 ENGAGE SENS
3.3V 1
2
GND
nSENS_T1_ENGAGE 3
CN31
REGI SENS
GND 1
nSENS_REGI 2
5V3 3
CN1
EXIT
3.3V 1
GND 2
nSENS_OUTBIN_FULL 3
24V3 4
GATE_CLUTCH 5
CN100
LSU TEMP
LSU_TEMP 1
GND 2
CN21
LSU P-MOTOR
24V4 1
GND 2
nSTART_LSU_MOT_1 3
CN38
nREADY_LSU_1_2 4
MP
CLK_LSU_MOT_1 5
24V4 6
GND 7
1 3.3V
nSTART_LSU_MOT_4 8
2 GND
nREADY_LSU_3_4 9
3 SENS_MP_EMPTY
CLK_LSU_MOT_4 10
4 24V4
5 MP_CLUTCH
6 24V4
7 MP_FEED_CLUTCH
8 SPK_P
CN34
9 SPK_M
LSU 1&2
CN18
COVER OPEN LOWER
LSU_LD_1_POWER 1
nLDON_LSU_1 2
1 24V1 GND 3
nHSYNC_1_P 4
2 24V1
3 (NC) nHSYNC_1_N 5
GND 6
4 24VS1
5 24VS1 5V_LSU 7
nSH_LSU_1_2B 8
GND 9
VDO_1_2B_N 10
VDO_1_2B_P 11
CN7
GND 12
COVER OPEN UPPER
VDO_1_1B_N 13
VDO_1_1B_P 14
1 5V3
GND 15
2 (NC)
nSH_LSU_1_1B 16
3 5VS3
LSU_LD_2_POWER 17
nLDON_LSU_2 18
GND 19
nHSYNC_2_P 20
CN23 nHSYNC_2_N 21
SMPS1(24V) GND 22
5V_LSU 23
nSH_LSU_2_1B 24
1 24V1
GND 25
2 GND
VDO_2_1B_N 26
3 24V2
VDO_2_1B_P 27
4 GND
GND 28
5 24V3
VDO_2_2B_N 29
6 GND
VDO_2_2B_P 30
7 24V4
GND 31
8 GND
nSH_LSU_2_2B 32
CN20
SMPS2(5V)
CN22
1 5V1_SMPS
2 GND LSU 3&4
3 5V2_SMPS
4 GND
5 5V3_SMPS
6 GND
LSU_LD_3_POWER 1
nLDON_LSU_3 2
GND 3
CN17 nHSYNC_3_P 4
SMPS3(signal) nHSYNC_3_N 5
GND 6
5V_LSU 7
1 5V3_SMPS(feedback)
nSH_LSU_3_2B 8
2 EN_24V
GND 9
3 24V4(feedback)
VDO_3_2B_N 10
4 (NC)
VDO_3_2B_P 11
5 (NC)
GND 12
6 (NC)
VDO_3_1B_N 13
VDO_3_1B_P 14
GND 15
nSH_LSU_3_1B 16
CN3 (NC) 17
THERMISTOR
LSU_LD_4_POWER 18
nLDON_LSU_4 19
GND 20
1 3.3V
nHSYNC_4_P 21
2 GND nHSYNC_4_N 22
3 nDETECT_COVER_EXIT
GND 23
4 FUSER_THERM1 5V_LSU 24
5 GND
nSH_LSU_4_1B 25
6 FUSER_THERM2 GND 26
7 GND
VDO_4_1B_N 27
8 FUSER_FUSE1 VDO_4_1B_P 28
9 FUSER_FUSE2
GND 29
GND VDO_4_2B_N 30
VDO_4_2B_P 31
GND 32
nSH_LSU_4_2B 33
(NC) 34
CN26
BLDC BK
1 3.3V
2 GND
3 nSENS_OPCHOME_4
4 BLDC_BK_DIR
CN41
5 CLK_BLDC_BK ACR
6 nBLDC_BK_READY
7 nBLDC_BK_EN
8 5V3
9 BLDC_BK_BRAKE INNER_TEMP 1
GND
GND 2
GND
ACR_F_S 3
24VS2
ACR_F_P 4
24VS2
PWM_ACR_F_LED 5
GND 6
5V3_ACR 7
ACR_R_S 8
ACR_R_P 9
PWM_ACR_R_LED 10
CN16
T2 & BLDC ITB GND 11
5V3_ACR 12
5V3_CTD 13
GND 14
1 DMOT_T2_OUTB
ADC_CTDP_SH 15
2 DMOT_T2_OUTA
ADC_CTDS_SH 16
3 3.3V
CTD_LED_CUR 17
4 GND
SEL_CTD 18
5 nSENS_T2_ENGAGE
GND 19
6 BLDC_ITB_DIR
(NC) 20
7 CLK_BLDC_ITB
8 nBLDC_ITB_READY
9 nBLDC_ITB_EN
5V3
BLDC_ITB_BRAKE
GND
GND
24VS2
CN15
24VS2
ACR
(ROSE , ROSE_R
)
CN28
BLDC DEVE INNER_TEMP 1
GND 2
ACR_F_S 3
ACR_F_P 4
1 3.3V
PWM_ACR_F_LED 5
2 GND
GND 6
3 nSENS_OPCHOME_123
5V3_ACR 7
4 BLDC_DEV_DIR
ACR_R_S 8
5 CLK_BLDC_DEV
ACR_R_P 9
6 nBLDC_DEV_READY
PWM_ACR_R_LED 10
7 nBLDC_DEV_EN
GND 11
8 5V3
5V3_ACR 12
9 GND
ADC_CTDS_OM 13
GND
ADC_CTDP_OM 14
GND
PWM_CTD_LED 15
24VS1
GND 16
24VS1
5V3_ACR 17
(NC)
Samsung Electronics
1
PHOTO
2
INTERRUPTOR
3
1
PHOTO
2
INTERRUPTOR
3
1 PHOTO
2 INTERRUPTOR
3 -Reflective
1
PHOTO
2
INTERRUPTOR
3
1 ELECTRIC-
2 CLUTCH
1
THERMISTOR
2
1
2
3
4
5
6
7
8
9
10
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
1
THERMISTOR
2
1
2
3 ACR/CTD SEMSOR
4
5
1
2
3 ACR/CTD SEMSOR
4
5
1
2
3 ACR/CTD SEMSOR
4
5