Harman Kardon AVR 3550 Service Manual page 37

BLOCK DIAGAM (NJM2296M ) : IC41, 43, 44
V+
16
Vin1
13
20K
Vin2
9
20K
Vin3
7
20K
Vin4
5
20K
Vin5
3
20K
SW3
SW2
10
S2
S4
S3
4 6
SW4
SW1 SW5
14 2
S1
20K
S6
20K
S7
20K
12
V-
GND
S5
6.2dB 75
Amp
dirver
6.2dB
75
Amp
dirver
75
6.2dB
dirver
Amp
8
Vout1
1
Vout2
15
11
Vout3