13.1.8
Main Board (8) / AM communication_add base unit
78
56
4
23
D
A
B
E
C
-
+
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
C779
100u
16
C769
0.22u
1
0
L762
NC
L764
L765
L763
NC
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
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
12
11
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-N
9:3E
SUBMON-V-P
9:3E
C797
DG
+12V
R765
100k
100k
C768
390p
390pF
50V
T761
5
1
10
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-MV75: Main Board No.8: AM communication_add base unit
NC: No Components
D760
C763
NC
L766
330u
C761
1500p
T760
2
1
3
4
6
L768
NC
DG
C780
0.1u
C762
NC
C758
NC
C760
820pF
- 69 -
Summary of Contents for VL-SV75 Series
Page 2: ......
Page 38: ... 38 ...
Page 39: ... 39 ...
Page 40: ... 40 ...
Page 41: ... 41 ...
Page 42: ... 42 ...
Page 50: ...10 2 4 1 Note for Microphone Assembly for anti feedback 50 ...
Page 52: ...10 3 Power Supply Unit 1 Remove 4 screws a 2 Remove the Power Board by unhooking 2 tabs 52 ...
Page 73: ...13 2 2 MIC Board MIC MIC C700 1000pF L700 L701 MIC1 1 2 VL V524 Mic Board 73 ...
Page 85: ...15 1 3 Power Supply Unit Q PCB401 P Q Q Q 407 403 404 406 405 402 401 85 ...
Page 102: ...SA ...