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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