Read Panasonic KX-MB1500UCB Service Manual online
16
KX-MB1500UCB
6.3.
Main Board Section
6.3.1.
Data Flow
[PC Scan]
1. An analog image data is output from CIS unit 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. The data is output to PC through the USB I/F.
3. The data is output to PC through the USB I/F.
CN510
CN
5
0
0
SDRAM
Scanner
I/F
Print I/F
AFE
IC503
IC400
IC300
Main Board
LSU
PC
CN
3
0
0
SDRAM
I/F
USB
USB
I/F
CPU
DSP
JBIG
CIS unit
[PC print]
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.
CN510
CN
5
0
0
SDRAM
Scanner
I/F
Print I/F
AFE
IC503
IC400
IC300
Main Board
LSU
PC
CN
3
0
0
SDRAM
I/F
USB
USB
I/F
CPU
DSP
JBIG
CIS unit
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