JVC RX-DV3SL, Service Manual

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RX-DV3SL
1-25
1
3
2
IN B
GND
IN A
5
4
VCC
OUT Y
TC7SET32FU (IC683) : Z-Input or gate
1
1A
2
1B
3
1Y
4
2A
5
2B
6
2Y
7
14 13 12 11 10
9 8
GND
Vcc 4B 4A 4Y 3B 3A 3Y
TC74HCU08AF (IC612) : Inverter
A
L
L
H
H
B
L
H
L
H
Y
L
L
L
H
2.The truth value table
1. Pin layout / Block diagram
1. Pin layout / Block diagram
1 OUT1
2 -IN1
3 +IN1
4
8
7
6
5 V
EE
V
CC
OUT2
-IN2
+IN2
2
1
-
+ -
+
BA15218F (IC303, 602, 603, 651, 652, 661, 671, 672) : Ope. amp.
1. Pin layout / Block diagram
1
2
3
4
5
6
7
14
13
12
11
10
9
8
TC74HC4072AF (IC611) : 4-Input gate
1. Pin layout & block diagram
A
H
X
X
X
L
B
X
H
X
X
L
C
X
X
H
X
L
D
X
X
X
H
L
Y
H
H
H
H
L
2. Truth table
1Y
1A
1B
1C
1D
NC
GND
Vcc
2Y
2D
2C
2B
2A
NC
A
L
H
Y
H
L
1
1A
2
1Y
3
2A
4
2Y
5
3A
6
3Y
7
14 13 12 11 10
9 8
GND
VCC 6A 6Y 5A 5Y 4A 4Y
TC74HCU04AF (IC621) : Inverter
1. Pin layout
2. Truth value