Main Unit - Vertex Standard VX-600 Service Manual

Circuit Diagram
2.5V
(0V)
-11d Bµ
0V
(0.9V)
-8dBµ
7. 4V
2.6V
(0.6V)
4.5V
(0.1 V)
0V
(5.0V)
POWER ON: 5.0V
POWER OFF: 0V
7.4V
LAMP KEY
ON: 2.6V
OFF: 3.2V
LAMP
ON: 5.0V
OFF: 0V
3.6V
0V
TOGGLE SW
A: 0V
MON KEY
CENTER: 1. 8V
ON: 2.3V
B: 3. 6V
OFF: 3. 1V
INT SP
BUSY: 7.3V
MUTE: 0.6V
EXT SP
BUSY: 7.3V
MUTE: 0.6V
4 Vp-p
INT SP: 1.9V
EXT SP: 0V
0.16Vp -p
INT SP EXT SP
BUSY: 7.4V
BUSY: 0.5V
MUTE: 7.4V MUTE: 0.2V
0V
(5.0V)
PO 5W: 3.9V
3. 0V
(0V)
4. 8V
(0V) 3.6V
5.0V
BUSY:
3.3V
(0V)
NORMAL TEMPERATURE: 1. 6V
0V
(3.3V)
0. 6V
BUSY: 6.4V
MUTE: 7.4V
INT SP
BUSY: 0.6V
MUTE: 0.2V
EXT SP
BUSY: 1.3V
MUTE: 7.4V
7. 4V
INT SP: 0V
EXT SP: 5. 0V
0.1Vp-p
-1dBµ
3.8V
(4.2V)
2. 8V
3.0V (3.0V)
0.9V
(2.6V)
0. 8V
0.7V
(0.8V)
WIDE: 0.8V
NARROW: 5.0V
1.8V
7.4V
3.6V
4.7V
(0V)
2.7V
1.0V
(0V)
(0V)
+6d Bµ
-5dBµ
4.2V
5.0V
4. 2V
(3.9V)
3. 0V
(3.0V)
4.4V
0. 8V
LOCK: 3.5V
UNLOCK: 0V
3.5V
3. 4V
3. 6V
BUSY
3.4V
0V
(0V)
(3.4V)
3.5V
(0.1V)
3.4V
5.6V
WIDE: 5.0V
NARROW: 0V
LAMP
ON: 0V
OFF: 5.0V

Main Unit

3.0V
(0V)
0.6V
(0V)
WIDE: 3.2V
NARROW: 0V
4.3V
2.6V
NORMAL TEMPERATURE: 2.2V
0V
(3.4V)
RX (TX)
FREQUENCY: 160.025 MHz
DE V: 3 kHz
AUDIO: 1 kHz
SP IMPEDANCE: 16-ohm