Read Harman Kardon AVR 135 (serv.man3) Service Manual online
LEVEL SHIFTER
2
1
2
3
4
1
5
6
2
7
8
3
1
2
3
4
1
5
6
2
7
8
3
1
3
4
5
6
7
8
9
10
14
28
11
12
13
27
26
25
24
23
22
21
20
19
18
17
16
15
LATCH CIRCUIT
SHIFT REGISTER
LEVEL SHIFTER
LATCH CIRCUIT
L-S
R-S
Vss
GND
VDD
L-S
L-S
L-S
L-COM
L-S
L-S
L-COM
L-S
L-S
L-COM
ST
R-S
R-S
R-S
R-COM
R-S
R-S
R-COM
R-S
R-S
R-COM
DATA
CK
LEVEL SHIFTER
2
1
2
3
1
4
5
6
2
7
8
3
1
2
3
1
4
5
6
2
7
8
3
1
3
4
5
6
7
8
9
10
14
28
11
12
13
27
26
25
24
23
22
21
20
19
18
17
16
15
LATCH CIRCUIT
SHIFT REGISTER
LEVEL SHIFTER
LATCH CIRCUIT
L-S
R-S
Vss
GND
VDD
L-S
L-S
L-COM
L-S
L-S
L-S
L-COM
L-S
L-S
L-COM
ST
R-S
R-S
R-COM
R-S
R-S
R-S
R-COM
R-S
R-S
R-COM
DATA
CK
TC9164AF (FUNCTION/INPUT) : IC23
BLOCK DIAGRAM
TC9163AF (FUNCTION/INPUT) : IC21,24
BLOCK DIAGRAM
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