General Block Diagram - Panasonic KX-FLM652CX Service Manual

KX-FLM652CX
7.2.

GENERAL BLOCK DIAGRAM

The following is an outline of each device IC on the digital board.
1. SOC(IC600)
Mainly Performing program working and the image processing.
CPU:ARM9 DSP:Quatro DMA Function
Main Function
1) SDRAM Controller
2) USB Controller with PHY.
3) SCANNER I/F
4) Printer I/F
5) I/O Port
6) System Bus I/F
7) Serial I/F
2. G/A (IC604)
Controls the operation panel I/F.
Controls the LSU I/F.
Controls FANs, LEDs and Sensors and analog I/F.
Control the motor (Scan motor and Engine Motor)
Real Time Clock circuit
Controls the high Voltage Unit control
Contains A/D converter
3. Flash ROM (IC602)
This 64 Mbit FLASH ROM contains all of the program instructions on the unit operations.
4. Synchronous Dynamic RAM (IC601)
This memory is used for Program working and Image processing.
5. Modem (IC607)
Performs the modulation and the demodulation for FAX communication.
Detect the CALLER ID signal.
6. Read Section
CIS Unit to read transmitted documents.
CIS Unit connected to Digital Board.
Scan data is converted by Analog Front End on FLATBED transit unit.
7. Motor Driver (Motor Driver Board)
Drives the Engine Motor for Printing.
Drives the Scan Motor fot Auto Document Feeder.
8. LSU (Laser Scanning Unit) (Digital Board)
Forms the images on the OPC drum by rotating polygon motor and reflecting the laser beam against polygon.
9. Analog Board
Composed of ITS circuit and NCU circuit.
10. Sensor Section
Composed of 4 switches and 5 sensors.
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