Read Panasonic KX-MB1500UCB Service Manual online
14
KX-MB1500UCB
6.2.
General Block Diagram
MAIN UNIT
SOC (IC300)
This custom IC is used for general MFP operations.
ROM (IC402)
This 8MB FLASH ROM contains all of the program instructions on the unit operations.
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.
Regurator generates 5V for peripheral devices.
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 2 stepping motors.
IC600 drives the stepping motor for printing.
IC502 drives the stepping motor for CIS carriage.
IC600 drives the stepping motor for printing.
IC502 drives the stepping motor for CIS carriage.
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 3 sensors.
POWER SUPPLY BOARD
Supplies +24V and +5V 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 the DC motor and 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.
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