Samsung ML-1510, ML-1700 Block Diagram
9
9
9-1
Samsung Electronics
B LOCK DIAG R A M
Service Manual
9. Block Diagram
9.1 PCL Model
POWER CORD
IN-LET
F.G
THERMISTOR
T o Controller
MAIN MOTOR
C-SOLENOID
C-SOLENOID-MP
IEEE1284
Interface
USB2.0
Net2270
Crystal
14.74 MHz
Freq.
Spread
Video
Clock
VOLTAGE
DETECTOR
MOTOR
DRIVER
Power On
Reset
Controller Block
SMPS Block
HEATER-AC
+24V
+5V
+3.3V
GND
Crystal
12MHz
Freq.
Spread
EEPROM
FEED-SENSOR
P/EMPTY -SENSOR
MP-SENSOR
Main Clock
EXIT-SENSOR
THVPWM
BLASPWM
MHVPWM
+24V
Cover-open Switch
PANEL B’D
PTL
LSU
+
+
+
+
FAN
2 LED
1KEY
Font ROM
16MB
FLASH
MEMORY
(2MB)
SDRAM
(8MB)
SPGPm
ARM946ES
HVPS Block
MHV
OPC GND
SUPPL Y
DEV
THV
FUSER ASS’Y
9-2
B LOCK DIAGRAM
Samsung Electronics
Service Manual
9.2 SPL Model
MHVPWM
THVPWM
F. G
EXIT-SENSOR
FEED-SENSOR
P/EMPTY-SENSOR
MP-SENSOR
IN-LET
-
+
GND
THV-RD
BIASPWM
THV_EA
HEATER-THERMISTOR
+24V
+5V
+3.3V
FAN
POWER CORD
Crystal
12MHz
Main Clock
Power On Reset
SMPS + Main 26p
CPU Jupiter 4
+24V
Main Motor
C-CLUTCH
USB
HEATER-AC
SMPS PART’s
COVER OPEN SW
CN8
CN8
CN11
CN6
CN1
CN3
CON4
CON1
CN2
CN9
HVPS PART’S
VOLTAGE
DETECTOR
PTL
LSU
PANEL B’D
2 LED
1KEY
MHV
OPC GND
SUPPL Y
DEV
THV
FUSER ASS’Y
M-CLUTCH
MOTOR DR
PART’S
FLASH
MEMORY
0.5MB
(128Kx32bits)
ARM7
90MHz
Video
Clock
LD
SSCG
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