JVC RX-7020RBK, Руководство по обслуживанию

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RX-7022RSL/RX-7020RBK
1-22
1
3
2
IN B
GND
IN A
5
4
VCC
OUT Y
TC7SET32FU (IC672) : 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 (IC611) : 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 (IC421, 422, 427, 609, 610, 650, 651, 661, 690, 691) : Op amp.
1. Pin layout / Block diagram
1
2
3
4
5
6
7
14
13
12
11
10
9
8
TC74HC4072AF (IC612) : 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