MX-J570V/MX-J680V
1-43
HD74HCT244FP-XE (IC181) : Buffer
1. Terminal layout
2. Block diagram
1G
1A
1
2Y
4
1A
2
2Y
3
1A
3
2Y
2
1A
4
2Y
1
V
SS
V
DD
2G
1Y
1
2A
4
1Y
2
2A
3
1Y
3
2A
2
1Y
4
2A
1
(Top View)
1
2
3
4
5
6
7
8
9
10
20
19
18
17
16
15
14
13
12
11
1A
1
2Y
4
1A
2
2Y
3
1A
3
2Y
2
1A
4
2Y
1
2G
1Y
1
2A
4
1Y
2
2A
3
1Y
3
2A
2
1Y
4
2A
1
1G
Summary of Contents for MX-J570V
Page 64: ...MX J570V MX J680V 1 64 MEMO ...
Page 77: ...H A B C D E F G 2 12 MX J570V MX J680V n pre amplifier board ted circuit boards ...
Page 78: ...A B C D E F G 2 13 MX J570V MX J680V Power supplly input output board ...
Page 81: ...A B C D 1 2 3 4 5 MX J570V MX J680V 2 16 VCD board ...
Page 82: ...A B C 1 2 3 4 5 MX J570V MX J680V 2 17 Head amplifier board ...
Page 83: ...A B C D 1 2 3 4 5 MX J570V MX J680V 2 18 Tuner board ...
Page 95: ...A B C D 1 2 3 4 5 MX J570V MX J680V 3 12 4 1 6 30 12 10 3 B mecha A mecha ...