Sharp FO-475TH - Manual (Page 40)

UX-258TH
FO-475TH
4 – 1
[1] Block diagram
CHAPTER 4. DIAGRAMS
MODEM
CLOCK
49.920MHz
SRAM 256Kbit
ROM 2Mbit
CPU
CPU I/F BUS I/F TIMER
RTC PIO
WATCHDOG
TIMER
CLOCK
32.768kHz
INTERRUPT
CONTROLLER
CIS I/F
MOTOR I/F
PIO SIO
THERMAL
PRINTER I/F
PANEL I/F
PM
OPERATION
PANEL
LCD
CONTROL PWB UNIT
1CHIP FAX ENGINE (FC200)
HANDSET SPEAKER
+5V
+24V
OPERATION
PANEL
TEL/LIU
PWB UNIT
DRIVER
THERMAL
HEAD
PM
CONTACT
IMAGE SENSOR DOCUMENT SENSOR
POWER SUPPLY
PWB UNIT
AMP/SIGNAL
SELECT BLOCK
SPEAKER
AMPLIFIER
AMPLIFIER AMPLIFIER
SURGE
PROTECT/
FILTER
CML
TRANSFORMER
CI
VBT
REGULATOR
RECTIFIER
TRANSFORMER
RECTIFIER
DIODE TRANS
SURGE
ABSORBER
FILTER
STABILIZER
LINE
EXT.TEL
PAPER
SENSOR
RESET IC
CUTTER
AMPLIFIER
BZ
FLASH
MEMORY
4Mbit
CLOCK 16MHz