Block Diagram(Pcl) - Samsung ML-1210 Service Manual

Block Diagram

6-2. Block Diagram(PCL)

USB
PC
IEEE 1284 CABLE
PANEL
B' D
4 LED
3 KEY
6-2
MAIN
Oscillator
48 MHz
USB Driver
USBN9602-28M
Power
On
Reset
VOLTAGE
DETECTOR
C P U
Main
S3C46C0X01
Clock
Oscillator
20 MHz
Video
Clock
Oscillator
44 MHz
+5V
+24V
FLASH
MEMORY
EXIT
SE N SOR
(2MB)
S DRAM
( 4 MB)
Option
Up to
68MB
74HCT273
74ACT273
LSU
Devi d ed by
74HC406ON
Crystal
6.7149 MHz
MHVPWM
HVPS
BIASPWM
B' D
THVPWM
POWER
SWITCH
POWER
SMPS
CORD
IN-LET
MOTOR
Engine
SOLENOID
FAN
DEV_FUSE
MHV
OPC GND
SUPPLY
DEV
TH V
Samsung Electronics