A
B
C
D
E
F
G
H
1
2
3
4
5
6
I
J
K
7
8
DVR-S200/NX-P200
83
■
DVR-S200 SCHEMATIC DIAGRAM (MAIN 2/4)
* All voltages are measured with a 10M
Ω
/V DC electronic volt meter.
* Components having special characteristics are marked
Z
and
must be replaced with parts having specifications equal to those
originally installed.
* Schematic diagram is subject to change without notice.
REGULATOR
VIDEO
SWITCH
VIDEO DRIVER
VIDEO DRIVER
EUROPE
X : NOT USED
470/10
W801
13
Vin1
SW2
9
Vin2
7
Vin3
5
Vin4
3
Vin5
20k
1
Vout1
15
Vout2
11
Vout3
20k
20k
S2
20k
20k
6dB
75ohm
S3
S1
S5
10
V+
16
SW3
4
SW4
6
GND
12
V-
9
SW1
14
SW5
2
20k
6dB
75ohm
S6
20k
6dB
75ohm
S7
IC801 : NJM2595D
Video Switch
6dB
DR
6dB
DR
6dB
DR
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VIN1+
NFB1
MUTE1
VIN2+
NFB2
–VCC1
VIN3+
NFB3
+VCC
VOUT1
GND
VOUT2
MUTE2
VOUT3
MUTE3
–VCC2
IC803 : LA7108M
75
Ω
Video Driver
6dB
DR
6dB
DR
6dB
DR
1
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
VIN1+
NFB1
MUTE1
VIN2+
NFB2
–VCC1
VIN3+
NFB3
+VCC
VOUT1
GND
VOUT2
DR CTL
VOUT3
MUTE2
–VCC2
IC802 : LA7104M
75
Ω
Video Driver