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RX-Z1/DSP-AZ1
RX-Z1/DSP-AZ1
48
IC9: LC7536-Y (FUNCTION P.C.B.)
Electric Controlled Volume
L5dB IN
CONTR
OL
S
1
12
CE
19
CLK
17
DI
18
LATCH
LEVEL SHIFT
SHIFT REGISTER
L CT1
3
L CT2
4
LV M
9
5
L5dB OUT
6
L1dB IN
8
L1dB OUT
R5dB IN
30
28
27
22
23
R1dB OUT
25
R1dB IN
26
R5dB OUT
R CT1
R CT2
R VM
13
VDD
21
VCC
14
VSS
10
VEE
2
7 11 15 16 20 24 29
NC
L5dB IN
CONTR
OL
S
1
12
CE
19
CLK
17
DI
18
LATCH
LEVEL SHIFT
SHIFT REGISTER
L CT1
3
L CT2
4
LV M
9
5
L5dB OUT
6
L1dB IN
8
L1dB OUT
R5dB IN
30
28
27
22
23
R1dB OUT
25
R1dB IN
26
R5dB OUT
R CT1
R CT2
R VM
13
VDD
21
VCC
14
VSS
10
VEE
2
7 11 15 16 20 24 29
NC
L 5dB IN
NC
L CT1
L CT2
L 5dB OUT
L 1dB IN
NC
L 1dB OUT
L VM
V EE
NC
S
VDD
VSS
NC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
30
29
28
27
26
25
24
23
22
21
20
19
18
17
16
R 5dB IN
NC
R CT 1
R CT2
R 5dB OUT
R 1dB IN
NC
R 1dB OUT
R VM
VCC
NC
CE
DI
CL
NC
No.
Name
I/O
Function
1
L 5dB IN
Input pin for the 5dB step attenuator
2
NC
No connect pin
No connect pin
3
LCT1
Loudness
connections
I
4
RCT1
Loudness
connections
5
L 5dB OUT
O
Output pin for the 5dB step attenuator
6
L 1dB IN
I
Input pin for the 1dB step attenuator
7
NC
No connect pin
8
L 1dB OUT
O
Output pin for the 1dB step attenuator
9
LVM
Volume common pin
10
VEE
Power supply pin
11
NC
No connect pin
12
S
Pin that selects the address code in the data format
13
VDD
Power supply pin
14
VSS
Power supply pin
15
NC
No connect pin
16
NC
No connect pin
17
CL
I
Input pin for control with serial data (clock)
18
DI
I
Input pin for control with serial data (data)
19
CE
I
Input pin for control with serial data (chip enable)
20
NC
No connect pin
21
VCC
Power supply pin
22
RVM
Volume common pin
23
R 1dB OUT
O
Output pin for the 1dB step attenuator
24
NC
No connect pin
25
R 1dB IN
I
Input pin for the 1dB step attenuator
26
R 5dB OUT
I
Output pin for the 5dB step attenuator
27
RCT2
I
Loudness connections
28
LCT2
Loudness connections
29
NC
30
R 5dB IN
I
Input pin for the 5dB step attenuator