Read Panasonic KX-MB1536RUB Service Manual online
15
KX-MB1536RU
6.2.
General Block Diagram
MAIN Unit
SOC (IC300)
This custom IC is used for general MFP operations.
ROM (IC402)
This FLASH ROM contains all of the program instructions on the unit operations.
And support the backup of user setting and FAX receive data.
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.
TEL/FAX I/F
Composed of ITS circuit and NCU circuit.
3 ICs called SDAA (Sillicon Direct Access Arrangement) control Telephone line, Speaker and MIC.
3 ICs called SDAA (Sillicon Direct Access Arrangement) control Telephone line, Speaker and MIC.
READ Section
CIS Unit to read transmitted documents.
Scan data is converted by AFE(IC503).
Scan data is converted by AFE(IC503).
Motor
This model has 3 stepping motors.
IC600 drives the stepping motor for printing and CIS carriage.
IC700 drives the stepping motor for Auto Document Feeder.
IC600 drives the stepping motor for printing and CIS carriage.
IC700 drives the stepping motor for Auto Document Feeder.
LSU
Forms the images on the OPC DRUM by rotating polygon motor and reflecting the laser beam against polygon.
Sensors
Composed of 2 switches and 5 sensors.
Power Supply Board
Supplies +24V and +12V to the Main unit and controls the Heat Lamp.
High Voltage Power Supply Board
Supplies bias need for the printing operation: bias of the DRUM, Developing and Transcription.
Fixing Unit
Composed heat lamp, thermistor and thermostats.
1)
CPU
ARM9 operating at 250MHz.
2)
SDRAM Controller
Controls SDRAM Memory.
3)
USB Controller with PHY
Apply to USB2.0 HS
4)
Scanner I/F
Controls the CIS and AFE, and process the scan images.
5)
LSU I/F
Controls the polygon motor and outputs the VIDEO signal to LSU.
6)
MOTOR I/F
Controls Stepping Motor.
7)
FAN I/F
Controls FAN MOTOR and detect the rotation of FAN MOTOR.
8)
OPERATION PANEL I/F
Serial interface with Operation Panel.
9)
SENSOR I/F
Detects the sensor signal.
10)
I/O PORT
I/O Port Interface.
11)
A/D, D/A converter
Sends beep tones, etc.
Convert the analog signal to the digital signal.
Convert the analog signal to the digital signal.
12)
RTC
Real time clock.
13)
MODEM
Performs the modulation and the demodulation for FAX communication.
14)
Analog Front End I/F
Controls the DAA device for TEL/FAX function.
15)
LAN Controller
Ethernet control.
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