Harman Kardon HK3480 Service Manual page 33

HK3480
BLOCK DIAGAM (NJM2296M ) : IC91
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
S5
S1
20K
S6
20K
S7
20K
12
8
V-
GND
33
harman/kardon
6.2dB 75
1
Amp dirver
6.2dB
75
15
Amp
dirver
75
6.2dB
11
dirver
Amp
Vout1
Vout2
Vout3