Engine Controller - Samsung SCX-8030ND Series Service Manual

2.11.3 Engine controller

The Engine Controller is composed of an ARM-based
SDRAM and Serial Flash memories, and other drivers
manages an Electro-photography system, controls the
LSU, provides high-voltages and PWMs, adjusts temp LSU provides high voltages and PWMs adjusts temp
signals. The Engine Controller also includes communic
Finisher.
Engine
Controller
SMPS
POWER CONTOL
ATMEGA 88
DDR2 SDRAM
32MB
Fans
Sensors
EEPROM EEPROM I2C I2C
ADC_0,1 ADC_0,1
JTAG JTAG
OPC_ENCODER OPC_ENCODER
POWER_CON POWER_CON
1~7 1~7
SENSORS SENSORS SENSORS
nPAPER_SIZE1,2 nPAPER_SIZE1,2 nPAPER_SIZE1,2
nC_OPEN_FRONT nC_OPEN_FRONT nC_OPEN_FRONT
nC_OPEN_SIDE nC_OPEN_SIDE nC_OPEN_SIDE
nC_OPEN_FEED nC_OPEN_FEED nC_OPEN_FEED
nFUSER_POS1 nFUSER_POS1 nFUSER_POS1
nPAPER_FUSER_IN nPAPER_FUSER_IN nPAPER_FUSER_IN
nWASTE_INSTALL nWASTE_INSTALL nWASTE_INSTALL
WASTE_COUNT WASTE_COUNT WASTE_COUNT
n2ND_EXIT_JAM n2ND_EXIT_JAM n2ND_EXIT_JAM
n2ND_EXIT_FULL n2ND_EXIT_FULL n2ND_EXIT_FULL
nADF_PAPER_DETECT nADF_PAPER_DETECT nADF_PAPER_DETECT
nADF_COVER_OPEN nADF_COVER_OPEN nADF_COVER_OPEN
CLUTCH x7 CLUTCH x7
OPC OPC
PICKUP 1,2 PICKUP 1,2
MP MP
DUPLEX DUPLEX
PAPER PAPER
EXIT EXIT
BLDCx 3 BLDCx 3 BLDCx 3
FUSER FUSER FUSER
DEVE DEVE DEVE
MAIN MAIN MAIN
DC x 1 DC x 1 DC x 1
CASSETTE 1,2 CASSETTE 1,2 CASSETTE 1,2
MOT.D. MOT.D.
STEP x 1 STEP x 1 STEP x 1
AN44061A AN44061A
1003-002123 1003-002123
FUSER FUSER FUSER
nEN_FUSER_RELAY nEN_FUSER_RELAY
nEN_WASTE_LED nEN_WASTE_LED
Service Manual
SCX-8030/8040 series
2. Product D
UART
[ Engine control
DOWNLOAD DOWNLOAD
SPI SPI
DOWNLOAD DOWNLOAD
I2C:2CH I2C:2CH
MICOM MICOM
ATMEGA 88 ATMEGA 88
UART UART
0903-001505 0903-001505
UART:4CH UART:4CH
UART UART DEBUG DEBUG
JTAG JTAG
UART UART PANEL PANEL
ADC ADC
:4CH :4CH
DAC DAC
ADD[1:22] ADD[1:22]
LOCAL LOCAL
BUS BUS
DAT[0:15] DAT[0:15]
nREADY nREADY
nPRINT nPRINT
IC-ASIC IC-ASIC
J5 J5 VIDEO VIDEO
JC13-00040A JC13-00040A BOARD BOARD
nREADY nREADY
SPGPV4 SPGPV4
I/Os I/Os
0904-00XXXX 0904-00XXXX
nPRINT nPRINT
VIDEO VIDEO
USB2.0 USB2.0 SIGNAL SIGNAL
USB2.0 USB2.0
DDR2 DDR2
HYB18TC256:32MB HYB18TC256:32MB
1105-001839 1105-001839
Flash Memory Flash Memory
29LV160:2MB 29LV160:2MB
1107-001286 1107-001286
SOLENOID x4 SOLENOID x4 SOLENOID x4
MP MP MP
RETURN RETURN RETURN
EXIT2 EXIT2 EXIT2
DUPLEX DUPLEX DUPLEX
[ Engine Controller C
Description
CPU (J5E), engine control SoCs (LPEC3) DDR2
for mechanical elements. The Engine Controller
e Video Data of printing images from Main Board to
erature in the fusing system and reads sensor erature in the fusing system, and reads sensor
cation control units for optional DCF,HCF and
DDR BUS D
L OCAL BUS
Fla ash
4M MB
Engin ne Con.
LPE EC3
Engin ne CPU
J5 5E
FUSER R / DEVE
BL LDC
Clut tch &
Sole Sole enoid enoid
ler diagram ]
DEV_CRUM_K DEV_CRUM_K I2C:CH1 I2C:CH1 I2C:3CH I2C:3CH
HVPS HVPS
FUSER CTRL FUSER CTRL
FUSER_ CRUM FUSER_ CRUM
LD POWER LD POWER LD POWER
DAC:2CH DAC:2CH
ADD[1:11] ADD[1:11]
LOCAL LOCAL
BUS BUS
DAT[0:7] DAT[0:7]
nHSYNC] nHSYNC]
VDO VDO
LSU LSU
CONTROL CONTROL
nPSYNC nPSYNC
nLSYNC nLSYNC
VCLK VCLK
VDI VDI
IC-ASIC IC-ASIC
LSU LSU
2Beam 2Beam
JC13-00035A JC13-00035A
ADD[0:13] ADD[0:13]
DAT[0:15] DAT[0:15]
IN_TEMP IN_TEMP MUX MUX
ADD[0:13] ADD[0:13]
ADC ADC
MUX MUX
DAT[0:15] DAT[0:15] OUT_TEMP OUT_TEMP
:4CH :4CH
T/C SENSOR T/C SENSOR MUX MUX
[K] [K]
PWM x 1 PWM x 1
PWM:24CH PWM:24CH
TONER_DC TONER_DC
Connection Diagram]
2-7 74
HVPS
Fuser
Control
LSU
BOTTLE
PWM
PAPER BLDC
Step Motors
DCF/HCF/Finisher
UART:CH0 UART:CH0 DCF DCF
UART:5CH UART:5CH
CH0:DCF CH0:DCF
UART:CH1 UART:CH1 HCF HCF
CH1:HCF CH1:HCF
CH2:FINISH. CH2:FINISH.
UART:CH2 UART:CH2 FINISHER FINISHER
I/Os I/Os
FAN_DETECT_1~7 FAN_DETECT_1~7
nEN_ERASER nEN_ERASER
LPEC3 LPEC3
PWM:48CH PWM:48CH PWM 48CH PWM 48CH
PWM:24CH PWM:24CH
I/Os I/Os
MOT.D. MOT.D.
STK672-432Bx 3 STK672-432Bx 3
1003-00xxxx 1003-00xxxx
STEP MOT. STEP MOT.
CONTROL CONTROL
MOT.D. MOT.D.
:6CH :6CH
AN44061A x 3 AN44061A x 3
1003-002123 1003-002123
SAMSUNG ELECTRONICS
SENSORS SENSORS SENSORS
nMP_P_EMPTY nMP_P_EMPTY nMP_P_EMPTY
nMP_P_SIZE nMP_P_SIZE nMP_P_SIZE
nP_REGI1 nP_REGI1 nP_REGI1
nP_EXIT1 nP_EXIT1 nP_EXIT1
nP_DUP_RETURN nP_DUP_RETURN nP_DUP_RETURN
nP_JAM_DUP1,2 nP_JAM_DUP1,2 nP_JAM_DUP1,2
nPAPER_LIFT1,2 nPAPER_LIFT1,2 nPAPER_LIFT1,2
TONER_CNT TONER_CNT TONER_CNT
nPAPER_OHP nPAPER_OHP nPAPER_OHP
nP_FUSER_OUT nP_FUSER_OUT nP_FUSER_OUT
nCST1,2_LVL1,2 nCST1,2_LVL1,2 nCST1,2_LVL1,2 CST1 2 LVL1 2 CST1 2 LVL1 2 CST1 2 LVL1 2
nP_EMPTY1,2 nP_EMPTY1,2 nP_EMPTY1,2
nP_FEED1,2 nP_FEED1,2 nP_FEED1,2
nP_JAM_DUP2 nP_JAM_DUP2 nP_JAM_DUP2
nB_FUL_EXIT1 nB_FUL_EXIT1 nB_FUL_EXIT1
LED LED LED
CASSETTE1_GRN,RED CASSETTE1_GRN,RED CASSETTE1_GRN,RED
CASSETTE2_GRN,RED CASSETTE2_GRN,RED CASSETTE2_GRN,RED
PWM x 7 PWM x 7 PWM x 7
FAN PWM 1~7 FAN PWM 1~7 FAN PWM 1~7
PWMs x 11 PWMs x 11 PWMs x 11
AC_Vpp AC_Vpp AC_Vpp
AC AC AC
DEV DC DEV DC DEV DC DEV__DC DEV__DC DEV__DC
ITHV ITHV ITHV
MHV_CORONA MHV_CORONA MHV_CORONA
MHV_GRID MHV_GRID MHV_GRID
THV P,N THV P,N THV P,N
FUSER_BIAS FUSER_BIAS FUSER_BIAS
SAW SAW SAW
TNR_VCON1 TNR_VCON1 TNR_VCON1
SOLENOID x1 SOLENOID x1
RETURN T PATH RETURN T PATH
STEP x 3 STEP x 3 STEP x 3
PICKUP PICKUP PICKUP
REGI ROLL REGI ROLL REGI ROLL
MP/DUP MP/DUP MP/DUP
STEP x 3 STEP x 3 STEP x 3
DUCT DUCT DUCT
DUPLEX DUPLEX DUPLEX
WASTE WASTE WASTE
Version 0.05