KX-MB1500UCB, KX-MB1500UCW, KX-MB1520UCB, KX-MB1530UCB - Panasonic Fax Service Manual (repair manual). Page 18

Read Panasonic KX-MB1500UCB / KX-MB1500UCW / KX-MB1520UCB / KX-MB1530UCB Service Manual online

18
KX-MB1500UC/KX-MB1520UC/KX-MB1530UC
6.3.
Main Board Section
6.3.1.
Data Flow
[FAX Tx] 
(KX -MB1520/KX-MB1530 ONLY)
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.
2. CPU compress the data in IC400. 
3. CPU transfer the data to MODEM and output it to TEL LINE
through AFE IC and analog circuit.
CN510
C
N
50
0/
501
SDRAM
MODEM
Scanner
I/F
Print I/F
AFE
IC503
IC400
IC300
Main Board
CIS unit
LSU
PC
CN
3
0
0
SDRAM
I/F
USB
USB
I/F
CPU
Analog
Circuit
IC200
TEL
LINE
DSP
JBIG
CN
1
0
0
AFE
[FAX Rx] 
(KX -MB1520/KX-MB1530 ONLY)
1. FAX data is input from TEL LINE to MODEM in IC300
through Analog circuit and AFE IC. 
And then store it in IC400 through SDRAM I/F.
2. CPU decompress the data in IC400.
3. Print I/F retrieve the data from IC400 and output it to LSU. 
CN510
CN
5
0
0
SDRAM
MODEM
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
TEL
LINE
DSP
JBIG
CN
1
0
0
CIS unit
Analog
Circuit
IC200
AFE
Page of 127
Display

Click on the first or last page to see other KX-MB1500UCB / KX-MB1500UCW / KX-MB1520UCB / KX-MB1530UCB service manuals if exist.