Ic Signal Name - Sharp UX-177 Service Manual

[2] IC signal name

CONTROL P.W.B. UNIT
IC5: VHiR96SFELC-1 (R96DFXL)
Refer to the table on p. 5-7.
IC6: VHiNJM4558MF-(NJM4558M)
OUTPUT 1 1
INVERTING INPUT 1 2
–
+
NON-INVERTING INPUT 1 3
-
4
VCC
IC7: VHiNJM318M/-F (NJM318)
TOP VIEW
BAL/COMP 1
INPUT 2
–
+
INPUT 3
4
V ¯
+
8 VCC
7 OUTPUT 2
6 INVERTING INPUT 2
–
+
5
NON-INVERTING INPUT 2
8 COMP –2
+
7 V
6 OUTPUT
5
BAL/COMP3
8 – 4
IC5: VHiM5255CF70L (M5M5255CFP)
(TOP VIEW)
A14 1 28
A12 2 27
A7 3 26
A6 4 25
A5 5 24
A4 6 23
A3 7 22
A2 8 21
A1 9 20
A0 10 19
DQ1 11 18
DQ2 12 17
DQ3 13 16
GND 14 15 DQ4
28P2W-C (CFP)
IC12: VHiHEF4053BT1 (HEF4053BT)
6 Inhibit
11 A
Controls
10 B
9 C
12 X0
13 X1
2 Y0
Switches
In/Out
1 Y1
5 Z0
3 Z1
VDD: Pin 16
VSS: Pin 8
VEE: Pin7
UX-177H
VCC
W
A13
A8
Pin name Signal
A9
A0~A12 Address input
A11
CE1/CE2 Chip enable
S2
WE Write enable
A10
OE Write enable
S1
I/O1~I/O8 Data I/O
DQ8 VCC Power source
GND Ground
DQ7
N.C. No connection
DQ6
DQ5
14
X
15
Y
Common
Out/In
4
Z