NAD L75 - Page 19

2-20
1dB
VR
latch
8dB
VR
latch
1dB
VR
latch
8dB
VR
latch
3 to 7
decoder
4 to 13
decoder
1dB
VR
latch
Shift register (32BIT)
Strobe generate
circuit
Level shift circuit
8dB
VR
latch
2
3 L-OUTA(SUB) (C)
(C)
(R)
(R)
(L)
(L)
(SUB)
(LS)
(LS)
(RS)
(RS)
NC VSS VDD TEST
L-INA
4
5 L-A-GNDA
L-OUTB
6
L-INB
7
8 L-A-GNDB
L-OUTC
9
L-INC
10
12 CS1
GND
13
CK
14
L-A-GNDC
11
26 R-OUTA
R-INA
25
24 R-A-GNDA
R-OUTB
Same as L-ch
Circuit
23
R-INB
22
21 R-A-GNDB
R-OUTC
20
R-INC
19
17 CS2
STB
16
DATA
15
R-A-GNDC
18
1 28 27
TC9482F (ELECTRONIC VOLUME IC16)
PIN ASSIGNMENT (74HCU04AFN : IC40 )
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
GND
6A
6Y
5A
5Y
4A
4Y
Vcc
14
13
12
11
10
9
8
1
2
3
4
5
6
7
1A
1Y
2A
2Y
3A
3Y
GND
6A
6Y
5A
5Y
4A
4Y
Vcc
14
13
12
11
10
9
8
TC74 HCU04AFN (INVERTER IC31)
MC74HC14D (INVERTER IC85)