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6
6
6-1
BLOCK DIAGRAM
Service Manual
6. Block Diagram
6.1 Phaser 3130
FUSER ASS’Y
POWER CORD
IN-LET
F. G
THERMISTOR
To Controller
MAIN MOTOR
C-SOLENOID
C-SOLENOID-MP
SCF
(Option)
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
SUPPLY
DEV
THV