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2. GENERAL BLOCK DIAGRAM
The control section will be explained as shown in the block diagram.
(1)
ASIC (IC1) .................... Composed mainly address decoder, modem control section, CPU and RTC.
(2)
ROM (IC2) .................... Contains all of the program instructions for unit operations.
(3)
Static RAM (IC3) .......... This memory is used mainly for parameter working storage area.
(4)
MODEM (IC11) ............ Executes modulation and demodulation for FAX.
(5)
Read section ................ Composed of the LED array light source, CCD image sensor to read transmitting
(6)
Thermal Head .............. Contains heating elements for dot matrix image printing.
(7)
Motor driver (IC7, IC8) . Drivers the transmission motor and the reception motor.
(8)
Reset circuit (IC9) ........ Provides reset pulse to each of the major IC's.
(9)
Analog board ................ Composed of ITS circuit and NCU circuit.
(10)
Sensor section ............. Composed of cover open sensor, document sensor, recording paper sensor, cutter
(11)
Switching power ........... Supplies +5V and +24V to the unit.
supply section
(12)
Cordless section ........... Composed of Cordless base unit, portable handset and battery charge unit.
Control the general FAX operation.
Control the operation panel I/F.
Control the thermal head I/F and CCD I/F.
Executing image processing.
documents.
position switch, read position sensor, and jam sensor.
(900MHz Cordless)
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KX-F910BX
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