Ic Signalname - Sharp FO-155 Service Manual

FO-155A
FO-355A
[2] IC signal name
CONTROL P.W.B. UNIT
IC5:VHiR96SFELC-1 (R96DFXL)
Refer to the table on p. 5-7.
IC6:VHiNJM4558MF-(NJM4558M)
P
8 VCC+
pa
OUTPUT1 1
INVERTING INPUT1 2 -
7 OUTPUT2
NON-INVERTING INPUT1 3 +
6 INVERTING INPUT2
Vcc" 4
+
5 NON-INVERTING INPUT2
IC4:VHiM5255CF70L (M5M5255CFP)
(TOP VIEW)
8
A6 4
A5 5
d
A4 6
b 23
a
A3 7
A28
o
Al 9
AO ~
d
DQ2 12
a
GND 14
28P2W-C
(CFP)
IC103:VHiLM318M//-l(LM318)
TOP VIEW
INPUT 2 —
- 7 v+
— +
5 BAUCOMP3
E
22
21
Vcc
w
A13
A8
A9
Al 1
S2
AlO
m
OQ8
DQ7
DQ6
DQ5
DQ4
I
Pinname
Signal
I
I
OE I Writeenable
I
I 1/01-1/08 I Data 1/0
I
I VCC I PowerSource
I
I GND I Ground I
I
N.C.
No connection
I
ICIOO:
VHiBU4053BCFl (BU4053BCF)
Switches
In/Out
32
+
Xo
Y
+~
15
Common
Out/In
13
?}
xl
2
Yo
1
YI
5
Zo
z
4
3
ZI
.
VDD: Pin 16
VSS: Pin 8
VEE: Pin7
8–4