Sharp AR-M550U - Page 47

AR-555/550/620/625 MFP CONTROLLER PWB / MFP コントローラ PWB 4 - 24
5 5
4 4
3 3
2 2
1 1
D D
C C
B B
A A
MFP CONTROL PWB (SERIAL I/F) 13/29
[ RIC I/F (SIO#5) ]
TXD59 TXD49
DSR59 RXD59
DTR59
RXD49
RTS59 RTS49
CTS49 CTS59
VCC
3.3V3.3V
ICT1342
C206 0.1uF(1608)
ICT994ICT991
C195 0.1uF
ICT1806
ICT1874
ICT992
ICT849
C181
0.1uF(1608)
ICT1875
ICT993
IC42
HIN207ECB-T
7 6
18 19 21
5
22 17
2 3 1 24 20 4 23 16
10 12 13 14
11 15 9 8
T1IN T2IN T3IN T4IN T5IN R1OUT R2OUT R3OUT
T1OUT T2OUT T3OUT T4OUT T5OUT
R1IN R2IN R3IN
C1+ C1- C2+ C2-
V+
V-
VCC
GND
ICT1804
R435 4.7K
ICT1805
C205
0.1uF(1608)
R434 4.7K
C188 0.1uF(1608)
ICT791
CN14
JEY-9P-1A3F
1 2 3 4 5 6 7 8 9
CD RXD TXD DTR GND DSR RTS CTS NC
ICT1343