Kyocera FaxSystem(M) Service Manual page 81

2-2 Operation of the PWBs
2-2-1 Fax control PWB
Machine
RESETn
Main
PWB
(via interface
PWB)
+5.0V
+3.3V
Speaker
control
FCPWB
Data bus
Address bus
RESET IC
(U73)
Flash ROM
(Upper/Lower)
16MBx64Mbitx2
Figure 2-2-1 Fax control PWB block diagram
SDRAM
(Upper/Lower)
32MBx128Mbitx2
U31
U32
32bit
RESETn
ASIC
READY
(U21)
MDMRESn
CPUCLK
Oscillator
(U41)
16bit
U33
U34
CPU
(U11)
200MHz
TELSEL
EARTH
16bit
DCCONT
MODEM
(U51)
LINE1
DAA
LINE2
Analog
U52
I/F
U61
3KH
NCU
PWB
2-2-1