General Block Diagram - Panasonic KX-MB2061CXB Service Manual

KX-MB2061CXB/KX-MB2061CX2/KX-MB2062CXB
6.2.

General Block Diagram

MAIN UNIT
SOC (IC300)
This custom IC is used for general MFP operations.
1) CPU
2) SDRAM Controller
3) USB Controller with PHY
4) Scanner I/F
5) LSU I/F
6) MOTOR I/F
7) FAN I/F
8) OPERATION PANEL I/F
9) SENSOR I/F
10) I/O PORT
11) A/D, D/A converter
12) RTC
13) MODEM
14) Analog Front End I/F
15) LAN Controller
ROM (IC402)
This 8MB FLASH ROM contains all of the program instructions on the unit operations.
And support the backup of user setting and FAX receive data.
SYNCHRONOUS DYNAMIC RAM (IC400)
This 256Mbit SDRAM is used for CPU work and receiving memory and page memory.
POWER SUPPLY
DC-DC converters generate 3.3V and 1.2V for system power.
Regurator generates 5V for peripheral devices.
TEL/FAX I/F
Composed of ITS circuit and NCU circuit.
BBIC (Base Band IC): IC902
Handling all the audio, signal and data processing needed in a DECT base unit
Controlling the DECT specific physical layer and radio section (Burst Module Controller section)
ADPCM codec filter for speech encoding and speech decoding (DSP section)
Echo-cancellation and Echo-suppression (DSP section)
Any tones (tone, sidetone, ringing tone, etc.) generation (DSP section)
DTMF receiver (DSP section)
Clock Generation for RF Module
ADC, DAC, timer, and power control circuitry
All interfaces (ex: RF module, EEPROM, LED, Analog Front End, etc.)
RF Module: IC905
PLL Oscillator
Detector
Compress/Expander
First/Second Mixer
Amplifier for transmission and reception
FLASH MEMORY: IC903
Voice Prompt (TAM) D/L (DownLoad) Area
Programming for BBIC (IC902)
EEPROM: IC904
Temporary operating parameters (for RF, etc.)
ARM9 operating at 250MHz.
Controls SDRAM Memory.
Apply to USB2.0 HS
Controls the CIS and AFE, and process the scan images.
Controls the polygon motor and outputs the VIDEO signal to LSU.
Controls the DC motor and Stepping Motor.
Controls FAN MOTOR and detect the rotation of FAN MOTOR.
Serial interface with Operation Panel.
Detects the sensor signal.
I/O Port Interface.
Sends beep tones, etc.
Convert the analog signal to the digital signal.
Real time clock.
Performs the modulation and the demodulation for FAX communication.
Controls the DAA device for TEL/FAX function.
Ethernet Control.
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