Kyocera KM-4230

2A3/4
2-3-4
2-3-3 Main PCB
Communication
line
Image data
MPCB
SRDF
SHD
IC29
MIP
IC41
EPROM
IC54
SELA
MAIN CPU
IC23
EPROM
IC45
EPROM
IC57
SRAM
IC13
SRAM
IC55
XIO
IC60
XIO
IC63
Communication
microcomputer 2
IC56
BUFFER IC
IC70,71,72
Engine PCB
Booklet stitcher*
Communication
microcomputer 1
IC33
BUCKUP RAM
IC15
ENGINE CPU
IC66
DUAL PORT RAM
IC44
SELB
SELC
VTC
IC47
IC58
LSU
FIFO
IC36
Operation unit
main PCB
Printer Board*
1
CCDPCB
SCANNER
CPU
IC53
IC18,19
IC28
PRT DATA
SCAN DATA
Memory
copy
PCB1
Memory
copy
PCB2*
2
Scanner
motor
PCB
Address bus
Data bus
Data bus
Address bus
VIDEO DATA
*1: Optional
*2: 42 ppm: optional/52 ppm: standard
Figure 2-3-3 Main PCB block diagram