Main Pcb - Kyocera KM-4230 Service Manual

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2A3/4

2-3-3 Main PCB

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

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Km-5230

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