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Samsung Electronics
BLOCK DIAGRAM
Repair Manual
1. Block Diagram
1.1 GDI Block Diagram(ML-1210/ML-1220M)
MAIN
S3C46M0X
SDRAM
(8MB)
SMPS
Eng i ne
PANEL
B' D
FLASH
MEMORY
(0.5MB)
POWER
CORD
+24V
MOTOR
FAN
EXI T
SE
N
SOR
HVPS
B' D
MHV
OPC GND
SUPPLY
DEV
TH V
BUFFER
MHVPWM
BI ASPW M
THVPWM
POWER
SWITCH
IN-LET
LED
4
3
KEY
IEEE 1284 CABLE
VOLTAGE
DETECT OR
Crystal
10MHz
Mai n
Clock
Oscillator
44 MHz
Vi deo
Clock
Power
On
Re s et
CPU
Jupiter3
US B
74LVX161284
Line
Tr a n s c ei v e r
PC
+5V
FS781BZB
SOLENOIDE
DEV_FUSE
LSU