Read Panasonic KX-MB1900RUB / KX-MB1900RUW Service Manual online
16
KX-MB1900RUB/KX-MB1900RUW
6.3.
Main Board Section
6.3.1.
Data Flow
[PC Scan]
1. An analog image data is output from CISunit to IC503.
IC503 decode the analog data to digital data, and output to IC300.
Scanner I/F in IC300 process image data and store it in IC400
through SDRAM I/F.
Scanner I/F in IC300 process image data and store it in IC400
through SDRAM I/F.
2. If necessary, the data is compressed via DSP.
3. When you use the USB, the data is output to PC
3. When you use the USB, the data is output to PC
through the USB I/F.
CN59
CN510
CN61
CN500
SDRAM
MODEM
Scanner
I/F
Print I/F
AFE
IC503
IC400
IC300
Mai n Board
FB tr ansit Board
CI S unit
LSU
CN300
SDRAM
I/F
USB
USB
I/F
CPU
DSP
JBIG
PC
[PC print]
CN59
CN510
CN61
CN500
SDRAM
MODEM
Scanner
I/F
Print I/F
AFE
IC503
IC400
IC300
Mai n Board
FB tr ansit Board
CN300
SDRAM
I/F
USB
USB
I/F
CPU
DSP
JBIG
1.The print data is output from PC through USB
and pass the USB I/F in IC300.
then the data is stored in IC400 through SDRAM I/F.
then the data is stored in IC400 through SDRAM I/F.
2. Print I/F retrieve the data from IC400 and output it to LSU.
CI S unit
LSU
PC
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