72
NJM2595M (INPUT : IC71)
NJM2586M (INPUT : IC73)
13
9
7
5
3
20k
20k
20k
20k
16 10 14 2
1
15
11
81264
6dB
Amp
75Ω
Driver
S3
S2
S4
S1
20k
20k
20k
S5
S6
S7
Vin1
Vin2
Vin3
Vin4
Vin5
SW3 SW4
SW5SW1SW2V+
GND V-
Vout3
Vout2
Vout1
6dB
Amp
6dB
Amp
75Ω
Driver
75Ω
Driver
9
10
8
5
6
7
4
3
2
1
11
12 13
16
15
14
17
18
19
20
21
22
23
24
CH1 IN1
CH1 IN3
CH1 IN2
SW1
SW2
GND
CH1 OU
T
V
-
1
CH2 OU
T
CH3 IN2
CH3 IN3
V
+
2
CH2 IN3
CH2 IN1
CH3 OU
T
CH3 IN1
GND
CH2 IN2
GND
PS
75ȍ
Drive r
Bias
Cont2 Cont1
Cont1
Cont2
Cont1
Cont2
6dB
Amp
Bias
Bias
Bias
Bias
Bias
Bias
Bias
75ȍ
Drive r
75ȍ
Drive r
Bias
6dB
Amp
6dB
Amp
GNDGND
V
+
1V
-
2