JVC RX-6032VSL Service Manual page 24

RX-6032VSL
4.15 NJM2246D (IC501, IC551, IC552) : Video switch
• Pin layout & Block diaglam
GND
8
6dB
AMP.
1
Vin1 CTL1
4.16 NJM2580M-X (IC582) : Video amp.
• Block diagram
1-24 (No.22012)
Vout V+ Vin3
7 6 5
BIAS
2 3 4
Vin2 CTL2
VIN1
1
BIAS
GND1
2
VIN2
3
BIAS
GND2 4
VIN3 5
CLAMP
GND3
6
PowerSave
7
Control input - output signal
CTL 1 CTL 2
L L
H L
L/H H
14
6dB 75
AMP Driver
13
6dB 75
12
Driver
AMP
11
6dB 75
AMP Driver
10
9
BIAS
8
Output
VIN 1
VIN 2
VIN 3
V+1
VOUT1
V+2
VOUT2
V+3
VOUT3
VSAG