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RX-E100RSL/RX-E100RSB
NJM2279M (IC515) : Video switch
1. Pin layout
Vin3
1
14
SW1
2
13
Vin2
3
12
MUTE2
4
11
V
2
5
10
OUT
GND2
6
9
GND1
7
8
NJM2293 (IC514) : Video switch
Block diaglam
In4
GND3
16
15
BIAS
1
2
OUT
NC
1-18
2. Block diaglam
V-
SW2
Vin1
Vin1
20k
MUTE1
Vin2
V
1
OUT
20k
N.C.
V+
Vin3
20k
In3
NC
CTL2
14
13
12
BIAS
H
L
3
4
5
CTL3
NC
GND1
SW2
MUTE1
20k
41.4k
20k
41.4k
SW1 MUTE2 GND1 GND2
NC
GND2
In2
11
10
9
H
H
L
L
BIAS
6
7
8
V+
In1
CTL1
V+
AMP.
Driver
6dB
75
4.45k
AMP.
Driver
6dB
75
4.45k
V-
BIAS
V
1
OUT
V
2
OUT
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