Vertex Standard VX-420 Series Service Manual

19
MAIN Unit (Lot. 1~2)
Circuit Diagram
Wide:3.39V
Narrow:0V
RX : XX
TX : (XX)
TX HIGH : <XX>
TX LOW :
{
XX
}
LED on :
[
XX
]
Wide:0V
Narrow:0V
Wide:0V
Narrow:0V
4.84V
Wide:0.84V
Narrow:0V
Wide:0.36V
Narrow:0.55V
Wide:0V
Narrow:1.05V
Wide:0V
Narrow:1.06V
Wide:0.36V
Narrow:0.55V
Wide:3.67V
Narrow:3.67V
Wide:3.39V
Narrow:0V
Wide:0V
Narrow:3.03V
3.59V
(3.59V)
1.70V
0.73V
4.78V
4.97V
(0V)
0.16V
(4.95V)
3.30V
(3.30V)
3.53V
(3.53V)
3.30V
(3.30V)
7.49V
[7.48V]
2.03V
[0.95V]
0V
[2.93V]
3.58V
[3.54V]
1.67V
3.51V
(3.51V)
3.51V (3.51V)
0V
[2.93V]
2.13V [1.05V]
3.45V
[3.45V]
7.49V
[7.49V]
3.59V
[3.59V]
7.48V
[7.48V]
3.33V
[2.84V]
3.59V
[3.50V]
4.91V
(0.0V)
2.82V
(2.67V)
0.02V (3.46V)
3.96V
(3.78V)
2.39V
(2.06V)
0V (0V)
3.35V (4.11V)
0.78V (0.79V)
3.46V
(3.52V)
3.99V
(4.10V)
4.97V
(5.00V)
4.69V
(4.79V)
3.59V
(3.59V)
3.56V
(3.56V)
3.51V
(3.51V)
2.95V (2.95V)
7.48V (7.48V)
1.69V
(1.74V)
0.16V
(0.83V)
0.16V
(2.50V)
2.45V (0.0V)
4.42V
0V
0.75V
0.16V
(4.67V)
0.02V
(0.46V)
7.49V
<7.33V>
{
7.40V
}
0V
<2.52V>
{
2.01V
}
0.30V
<1.07V>
{
0.44V
}
0V
<1.71V>
{
0.95V
}
0.3V
<1.07V>
{
0.43V
}
7.49V <7.29V>
{
7.32V
}
6.47V
<6.51V>
{
6.47V
}
3.59V
(
3.59V
)
3.59V
(
3.36V
)
2.72V
(
2.72V
)
3.35V
(
3.35V
)
1.82V
(
1.82V
)
3.54V
(
3.54V
)
1.80V
(
1.77V
)
0.0V
(
0.0V
)
SQL open : 7.49V
SQL close : 0.18V
SQL open : 3.39V
SQL close : 0.25V
SQL open : 7.49V
SQL close : 0.0V
SQL open : 0.60V
SQL close : 0.18V
SQL open : 0.71V
SQL close : 0.0V
SQL open : 6.73V
SQL close : 7.49V
7.48V
(7.48V)
3.59V
(3.59V)
3.51V
(3.01V)
7.48V
(7.48V)
0.15V
(4.96V)
3.64V
(3.66V)
3.59V
(3.59V)
6.82V
(6.86V)
4.92V
(0.0V)
0.0V (5.01V)
3.44V
(0.0V)
4.97V
(5.01V)
7.48V (7.48V)
3.58V
(3.58V)
0.0V
(0.0V)
3.57V (3.57V)
3.58V (3.58V)
3.59V (3.59V)
0.48V
(2.88V)
0.14V
(2.86V)
0.51V
0.98V <1.74V>
{
1.12V
}

Vertex Standard VX-420 Series Specifications

General

Brand	Vertex Standard
Model	VX-420 Series
Category	Transceiver
Language	English