Harman Kardon HK3390 Service Manual page 63

HK3390
BLOCK DIAGRAM NJM2296M IC81 VIDEO SWITCH
Vin1
13
Vin2
9
20K
Vin3
7
Vin4
5
20K
Vin5
3
V+ SW2
16 10
20K
S2
S4
20K
S3
20K
4 6
SW3 SW4
SW1 SW5
14 2
S5
S1
20K
S6
20K
S7
20K
12
8
V-
GND
63
harman/kardon
6.2dB 75
1
Amp dirver
6.2dB
75
15
Amp
dirver
75
11
6.2dB
dirver
Amp
Vout1
Vout2
Vout3