Read Sharp MX-M623U / MX-M753U (serv.man8) Service Manual online
MX-M753 BLOCK DIAGRAM / ブ ロ ッ ク 図
1 – 3
3. PCU PWB
Reset IC
CPU
H8S/2373
Xtal
14.7456MHz
Spectrum
Spread
Not Mount
DC Power
Supply
Supply
Finisher
FW
UART
UART
Option
MPFC
LSU
MOTHER
UART
UART
SRAM
(1Mbit)
PMC ASIC1
CPLD
FLASH ROM
(16Mbit)
EEPROM
(64kbit)
CLK
CLK
PMC ASIC2
CRUM
Coin Vender
Option
HV
Sensor Input
PCU
Load control Output
(CLUCH, SOLENOID)
FAN Motor control
Sensor Input
Load contorl Output
(CLUCH, SOLENOID)
Stepping Motor
DC Motor control
PMC
PMC
Syncronous Motor
Data
(D0-D15)
Address
(A0-A20)
I2C Bus
I2C Bus
LCC
Fuser Unit
I2C Bus
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