Sharp FACSIMILE FO-4500 Service Manual page 153

IC113: VHiMC74HC32F- (MC74HC32AF)
VCC 4B 4A
14 13 12
1 2 3
1A 1B 1Y
IC102: VHiMC74HC14F- (MC74HC14AF)
VCC 6A 6Y
14 13 12
1 2 3
1A 1Y 2A
IC115, 118: VHiMC74HC08F- (MC74HC08AF)
VCC 4B 4A
14 13 12
1 2 3
1A 1B 1Y
IC100: VHiNJM2904M-1 (NJM2904M)
1
2
-
3
4
4Y 3B 3A 3Y
11 10 9 8
4 5 6 7
2A 2B 2Y GND
5A 5Y 4A 4Y
11 10 9 8
4 5 6 7
2Y 3A 3Y GND
4Y 3B 3A 3Y
11 10 9 8
4 5 6 7
2A 2B 2Y GND
8
A
7
+
B
6
- +
5
IC110: VHiBU4053BCF1 (BU4053BCF)
Y1
Y0
Z1
Z
Z0
INHIBIT
VEE
VSS
IC112: VHiMC74HC04F- (MC74HC04AF)
VCC 6A
14 13
1 2
1A 1Y
IC103: VHiPST591CMT1 (PST591C)
8 – 10
1 VDD
16
Y1
2 Y0 Y
Y
15
3 Z1 X X
14
Z X1
4 X1
13
Z0 X0 12
5 X0
Inhibit A
6 11 A
B
7 B
10
C
8 9 C
(TOP VIEW)
6Y 5A 5Y 4A
12 11 10 9
3 4 5 6
2A 2Y 3A 3Y
4 3 Lot No.
5 9 1 C
1 2
DELEY
OSC
T Q
R
FO-4500H
4Y
8
7
GND
3 VCC
1 VOUT
4 GND
2 MANUAL
RESET