Samsung CLX-6220FX - Page 36

Product Specication and feature
Service Manual
2-27
Samsung Electronics
1B) Main PBA (CHORUS3) Block Diagram
LPEC3
ASIC
Engine
Control
DDR SODIMM
On board
M
U
X
SMPS TYPE5(STAGE3)
POWER
CORD
FUSER Lamp Control
Motor -OPC BLDC
-DEVE BLDC
-FUSER BLDC
-FEED STEP MOTOR
-EXIT STEP MOTOR
Solenoid/Clutch
-CST Pickup Solenoid
-DEVE K Clutch
Fan -Fuser Fan -Rear Fan
PTB UNIT
DEVE CRUM IF PBA
CRUM
ACR sensor L/R
DEVE Y UNIT
CRUM
DEVE M UNIT
CRUM
DEVE C UNIT
CRUM
DEVE K UNIT
CRUM
LSU -2 Polygon Motor
-1 Beam 4 LD
-LSU Temp
FUSER UNIT
Thermistor1
Thermistor2
800W lamp
Thermostat 2ea
SCF UNIT (OPTION)
HVPS
5V
5VS
USB
ISP1761
EEPROM
24C512
Flash Memory
32M
Cover
Switch
24VS1
24V1
Sensor - FCF Empty - Feed Sensor
-Exit Sensor
Cassette - MP Pickup Solenoid
- MP Empty - Paper Pos Sensor
24V1/24V2
5V_SMPS
Device
USB
DEBUG
RESET IC
DC Converter
3.3V
1.0V
SystemChorus3
SCL0_CHORUS3
SDA0_CHORUS3
DEBUG_RXD DEBUG_TXD
ADDR DATA
E- PHY
BCM5241
1W Circuit
nPOWER_OFF
5V
nPOWER_On
EN_SMPS_24V
S
CL1_CHORUS3
SDA1_CHORUS3 SCL1_CHORUS3
SDA1_CHORUS3
SCF_RXD SCF_TXD
FUSER CONTROL
F
USER BIAS FUSER BIAS
Sensor - Analog
-TEMP_IN -Humidity/TEMP_OUT
AC
MAIN PBA
LOCAL
DDR
Control
I2C
MAC UART
Chorus3
360MHz
VIDEO CONTROL
SPI
AFE
I/F
OPTION
USB 2.0
PWM Con ’
VDDQ
1.8.V
0.9V
VTT
24V2
DDR SODIMM
SOCKET
DDR SDRAM
EEPROM
DDR SDRAM
CTD sensor
Regulator
Relay
24VS2
nRST_LPEC3
M
U
X
Sensor -Humidity/Temp Out
-Temp In
Motor
166MHz
12MHz
12MHz
25MHz
OP Panel
SCAN JOINT
DADF
REVERSE
CCD
FAX
HOST
USB
SMPS Fan
LPEC3
ASIC
Engine
Control
DDR SODIMM
On board
M
U
X
SMPS TYPE5(STAGE3)
POWER
CORD
POWER
CORD
POWER
CORD
FUSER Lamp Control
Motor -OPC BLDC
-DEVE BLDC
-FUSER BLDC
-FEED STEP MOTOR
-EXIT STEP MOTOR
Solenoid/Clutch
-CST Pickup Solenoid
-DEVE K Clutch
Fan -Fuser Fan -Rear Fan
PTB UNIT
DEVE CRUM IF PBA
CRUM
ACR sensor L/R
DEVE Y UNIT
CRUM
DEVE M UNIT
CRUM
DEVE C UNIT
CRUM
DEVE K UNIT
CRUM
DEVE Y UNIT
CRUM
DEVE Y UNIT
CRUM
DEVE M UNIT
CRUM
DEVE M UNIT
CRUM
DEVE C UNIT
CRUM
DEVE C UNIT
CRUM
DEVE K UNIT
CRUM
DEVE K UNIT
CRUM
LSU -2 Polygon Motor
-1 Beam 4 LD
-LSU Temp
FUSER UNIT
Thermistor1
Thermistor2
800W lamp
Thermostat 2ea
SCF UNIT (OPTION)
HVPS
5V
5VS
USB
ISP1761
EEPROM
24C512
Flash Memory
32M
Cover
Switch
24VS1
24V1
Sensor - FCF Empty - Feed Sensor
-Exit Sensor
Cassette - MP Pickup Solenoid
- MP Empty - Paper Pos Sensor
Device
USB
DEBUG
RESET IC
DC Converter
3.3V
1.0V
SystemChorus3
DEBUG_RXD DEBUG_TXD
E- PHY
BCM5241
1W Circuit
nPOWER_OFF
5V
nPOWER_On
SCF_RXD SCF_TXD
Sensor - Analog
-TEMP_IN -Humidity/TEMP_OUT
MAIN PBA
LOCAL
DDR
Control
I2C
MAC UART
Chorus3
360MHz
VIDEO CONTROL
SPI
AFE
I/F
USB 2.0
PWM Con ’
VDDQ
1.8.V
0.9V
VTT
DDR SODIMM
SOCKET
DDR SDRAM
EEPROM
DDR SDRAM
CTD sensor
Regulator
Relay
24VS2
nRST_LPEC3
M
U
X
Sensor -Humidity/Temp Out
-Temp In
Motor
166MHz
12MHz
12MHz
25MHz
OP Panel
SCAN JOINT
DADF
REVERSE
CCD
FAX
HOST
USB
SMPS Fan
SCL0_CHORUS3 SDA0_CHORUS3 SCL0_CHORUS3
SDA0_CHORUS3
S
CL0_CHORUS3
SDA0_CHORUS3 SCL0_CHORUS3
SDA0_CHORUS3
PANEL_RXD
PANEL_TXD
MODEM_RXD MODEM_TXD
P
ANEL_RXD
PANEL_TXD
MODEM_RXD MODEM_TXD
PANEL_RXD
PANEL_TXD
MODEM_RXD MODEM_TXD
5V_CTD