Sharp MX-M550U

MX-M700N ELECTRICAL SECTION 11 – 3
C. PCU Circuit BLOCK
ADDRESS (A0 to A20)
DATA (D0 to D15)
CLOCK
CLOCK
DATA,CLOCK
PCU_RESET
RESET
UART
ȪMSW-MON)
UART (DTR, DSR)
RES
POF
Clutch, solenoid, relay, Brushless motor, LED, PWM output, synchronous motor
+24V1
+5V2
+12V2
+3.3V1
FW
RESET
ANALOG-OUT
FWS
Analog input (Fusing thermistor)
High temperature protection
Thermistor open detection
Thermistor open detection
Fusing control signal
DATA, CLOCK
Oscillator
(LSU, MOTOR, PWM)
UART(TXD, RXD)
UART (DTR, DSR)
+5VLD
+12VS power
+5VS power
PROFF_CNT, PRON_FAX
DC power
Analog power (Vref )
+12V2
+5VSpower
FW-SUB
+12VS power
Brush motor Synchronous motor
Sensor input (PPD, ADU, DV signal) Sensor input
Sensor input
Sensor input
High voltage trouble detection
PGM clock, control signal
DCCNT (Power relay control)
Fusing thermistor Temperature/humidity sensor AV voltage monitor
Process/developing tank signal
Analog input
Analog output
/PCU_RESET
System CLOCK
UART (TXD, RXD)
(LCC, FINISHER,
INSERTER)
(LCC, FINISHER, INSERTER)
(LCC, FINISHER, INSERTER)
High voltage control signal (Enable, PWM output)
Clutch, solenoid, relay, Brushless motor, PWM output (FAN)
+24V1
FLASH ROM write control (FWP)
+24V (Interlock line)
+24V (Interlock line)
BD, control signal, VIDEO signal
Paper width detection
Door open detection (Interlock switch)
FWS
Fusing control signal
Option detection
CLOCK
Fusing heater control
Fusing heater relay control
Mode select signal Detect control
+38V monitor
INT_PR (relay)
BUP_PR (relay)
HSYNC, PAGE
VIDEO signal
+12VS
power monitor
/PCU_RESET
Stepping motor control signal
Fusing control signal
CLOCK
Power switch monitor
+24V (Interlock line)
+24V (Interlock line)
+24V(Interlock line)
I/O
I/O
PMC
ANALOG
IC
SWITCH
OP-AMP
OP-AMP
XTAL
COMPARATOR
ROM
FLASH
DCPS
PCU
COMPARATOR
EEPROM
OSC
COMPARATOR
BUCKUP
CIRCUIT
REGURAT- ORIC
OP-AMP
LSU
ASIC2
ASIC1
FPGA
CPU
DACs
S-RAM
SWITCH DOOR
HVun
GATE-ARRAY
AC PWB
DRIVE
CIRCUIT
CONTROL-
LER
SUBDCPS
SUBDCPS
COMPARATOR
PWB
DRIVER
Ӵ
1
2
3
Ӳ
1
4
4
4
4
3
2