Board Unit (Schematics, Layouts & Parts); Main Unit - Vertex Standard VXA-210 Service Manual

3.2V 0V
(0V)
(1.1V)
1.3V 0.9V
(1.3V) (0.9V)
3.2V
(0.1V)
0V
(0V)
6.9V (6.6V)
0V
(6.6V)
0V
6.4V (0V) (0V)
0V (2.8V)
3.4V (2.8V)
3.4V
(2.1V) 0.5V
(0.5V)
6.8V
(6.6V)
1.2V
6.4V (1.2V)
(0V)
3.2V
(3.0V)
0.9V
(0.9V)
3.5V
(3.5V)
3.2V
(2.0V)
0V
(3.3V)
3.5V
(3.5V)
BUSY ON: 3.5V
BUSY OFF: 0V
(0)
0V
(3.5V)
1.9V
(1.9V)
3.5V
(3.5V)
6.9V
(6.7V)
3.5V
(3.5V)
7.2V
(7.0V)
0V
(0V)
0.2V
(0.2V)
0V
(1.8V)
1.8V
1.8V
(1.8V)
(1.8V)
3.4V
(1.8V)
1.8V
(1.8V)
1.8V
(1.8V)
1.2V
(1.5V)
6.2V
(5.9V)
2.7V
0.1V
1.8V
(0V) (4.9V)
(1.8V)
1.8V
(1.8V)
1.5V
(1.5V)
4.8V
(4.8V)
0V
(3.3V)
3.7V
(3.7V)
0V
(0V)
1.7V
0V
(1.7V)
(0V)
2.5V
(2.5V) 3.5V
(3.5V)
SQL OPEN: 3.4V
SQL CLOSE: 0V
(0V)
1.4V
(1.3V)
1.4V
(1.3V)
3.2V
0V
(0V)
3.5V
(0.6V)
(1.8V)
SAVE ON: 3.6V
SAVE OFF: 0V
(0V)
0.6V
(0.6V)
0.9V
(0.9V)
1.7V
(1.7V)
2.6V
(2.6V)
3.0V
(3.1V)
3.7V
(3.7V)
2.6V (1.3V)
(2.6V)
1.9V
(1.9V)
1.1V
1.8V
(1.1V)
(2.1V)
0V
4.8V 0.5V
(3.7V)
(0V)
(0.4V)
1.6V (1.7V)
1.6V
(1.8V)
1.2V
(1.5V)
1.4V
(1.6V)
1.1V (1.4V)
0V (0.6V)
0V
(0V)
3.0V
3.5V
(3.5V) (3.1V)
4.4V (4.4V)
0.7V
(0.6V)
1.7V
0V
(1.7V)
0V (0V)
0V
(0V)
(0V)
1.5V
1.6V
(0V)
(0V)
1.5V
(0V)
0V
(0V)
ANL OFF: 0V
ANL ON: 3.5V
(0V)
1.6V
(0.1V)
1.6V
1.6V
1.5V
(0V) (0V)
(0V)
LAMP OFF: 2.5V
LAMP ON: 0.2V
(2.5V)
AM: 0V
FM: 3.3V
(0V)
LAMP OFF: 0V
LAMP ON: 3.4V
(0V)
6.9V
(6.5V)
4.9V (4.9V)
6.3V
2.9V
(5.9V) (2.9V)
3.5V
3.5V
(3.5V)
(3.5V)
3.6V
6.6V
(3.6V)
4.8V
(6.3V)
(4.6V)
3.5V (3.5V)
3.5V
(3.5V)
0V
(0V)
6.9V
0V (6.5V)
(2.1V)
0.7V
0V 0V
(1.9V) 0V
(0.3V)
(4.0V)
0V 6.4V 6.9V
1.2V
(4.9V) (5.9V) (6.6V)
(0V)
0V
(2.2V)
0V
(4.8V)
1.2V
1.7V
(0V)
1.5V
AM: 3.4V
(0V) 1.0V
FM: 0V
(0V)
(0V)
1.0V
(0V)
1.1V
(0V)
1.4V
1.1V
(1.1V)
0.6V
(0.6V)
[0V]
[1.2V]
[1.2V]
[1.2V]
5.0V
(5.0V)
[2.0V]
[1.2V]
6.3V
(5.9V)
[1.6V]
[1.2V]
[1.2V]
[1.2V]
2.9V
(2.9V)
[1.2V]
3.5V [0V]
(3.5V)
[3.4V]

Main Unit

Circuit Diagram
0V
(1.1V)
0V
(1.6V)
6.9V
(6.4V)
0V
(1.4V)
0V
(1.0V)
0V
0V (0.8V)
(1.0V)
3.6V
(0V)
0.7V
(0V)
0.7V
4.7V
(0V)
(0V)
4.1V
0.7V
(0V)
(0V)
(0V)
0.7V 3.4V
(0V)
(0V)
0.7V
(0V)
[1.2V]
[1.2V]
[3.4V] [1.2V] [1.2V]
[1.2V]
[1.2V]
[1.2V]
[1.2V]
RX
(TX)
[NAV BAND]
17