Panasonic VL-SV74BX User Manual

13.1.8 Main Board (8) / AM communication_add base unit
7856423
D
A
B E C
- +
D760
R764
12k
R766
39k
C771
10p
R761 330
VREF4
R769
39k
VREF4
R762
NC
( )
R760 560
C767
0.1u 16
R770
8.2k
AGND
C778
1000p
VREF4
R771
10k
1
2
3
4
C772 NC
( )
C766
100p
C764
C765
100p
L767
C763
1500p
L766
C779
100u 16
C761
1500p
C769
0.22u 10
T760
2 1 3
4 6
C760
820p
L768
L762
NC
L764
L765
L763
NC
C762
R767
8.2k
VREF4
L760
R763
12k
L761
IC760
1
AOUT
2
A-IN
3
A+IN
4
V-
5
B+IN
6
B-IN
7
BOUT
8
V+
C770
1000p
C774
NC
( )
C776
10p
+12V
C777
100p
AGND
R768
10k
C775
100p
SubIN_P
1:1A;5:3D
SubIN_N
1:1A;5:3D
DG
AGND
C773 10uF
25V
DG
C759 NC
( )
D759
+12V
RL759
1
2
3
4
5
6
7
8
DG
Q759
2.2k
47k
DG
Sub_TalkON 2:2D
DG
R795 1.5k
R794
10
AM_RX2
1:8C
VDD33
R796
1.5k
AM_TX
1:8C;3:1E
IC701
1211
13
AM_PWM
1:8C;3:1C;9:8D
R499
2.2k
C487
1000p
R498
8.2k
+2V2
DG
IC480
1
AOUT
2
A-IN
3
A+IN
4
GND
5
B+IN
6
B-IN
7
BOUT
8
V+
C485
100p
R480
10k
R483
2.7k
R489 270
R485
47k
R490 4.7k
AGND
C484
0.01u
R479
10k
R486
2.2k
DG
VDD33
R484
1k
R488
4.7k
C483 47p
C489
0.1u
VDD50
DG
C486 0.1u
+2V2
C480 47p
Q481
C481 10p
VDD50
C482
10p
DG
R497
100k
VDD50
R493
22k
R481
47k
R491
47k
R487
10k
DG
Q480
R482
3.3k
EXVOUT1 2:1C EXVIN1 2:1D
SUBMON-V-N9:3E SUBMON-V-P9:3E
C797
DG
+12V
R765
100k100k
C768
390p
390pF
50V
T761
5 110
6
3
AM_COM/VOICE with Main_mon
AM_COM_TX to Main_mon
AM_COM_RX from Main_mon
AM_COM with Main_mon
VOICE with Sub_mon
VL-MV74: Main Board No.8: AM communication_add base unit
NC: No Components
- 67 -

Panasonic VL-SV74BX Specifications

General

Type	Video Intercom System
Monitor Screen Size	7 inches
Resolution	800 x 480 pixels
Camera	Yes
Connectivity	Wired
Smartphone Connect	No
Night Vision	Yes
Door Release	Yes
Power Supply	AC 100-240V, 50/60Hz
Weight	1.2 kg
Display	TFT LCD
Recording	Yes
Operating Temperature	-10°C to +50°C