Sharp UX-177 Service Manual page 77

TEL/LIU P.W.B. UNIT
IC2: VHiNJM2902D-1 (NJM2902D)
OUTPUT 1 1
INVERTING INPUT 1 2
–
+
NON-INVERTING INPUT 1 3
-
VCC 4
+
8 VCC
7 OUTPUT 2
6 INVERTING INPUT 2
–
+
5 NON-INVERTING INPUT 2
8 – 6
PANEL PWB UNIT
IC1: VHi74HC147D-1 (74HC147D)
4 1
5 2 5
Inputs 6 3 6
7 4 7
8 5 8
6
C C
Outputs
B 7 B
GND 8
IC1: VHiNJM2113D (NJM2113D)
CD 1
FC2 2
FC1 3
VIN 4
(TOP VIEW)
UX-177H
16 VCC
4 15 NC
D 14 D Output
3 13 3
2 12 2
Inputs
11
1 1
9 10 9
A
Output
9 A
8 VO2
7 GND
6 VCC
5 VO1