DTR-4.5
VIN1+
NFB1
MUTE1
VIN2+
NFB2
-VCC1
VIN3+
NFB3
+VCC
VOUT1
GND
VOUT2
DR CTL
VOUT3
MUTE2
-VCC2
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
6dB
DR
6dB
DR
6dB
DR
LA7106MFP(75 ohm video driver)
IC BLOCK DIAGRAMS AND DESCRIPTIONS
V+
SW2
SW1
SW5
Vout1
Vout2
Vout3
SW3
SW4
GND
V-
Vin1
Vin2
Vin3
Vin4
Vin5
20k
20k
20k
20k
S2
S3
S4
20k
20k
20k
6dB
Amp
75Ohm
Driver
6dB
Amp
75Ohm
Driver
6dB
Amp
75Ohm
Driver
S5
S7
S6
S1
5
6
7
8
1
2
3
4
9
16
10
11
15
12
13
14
NJM2595M(Video Selector Switch)