Vertex Standard VX-2500U Service Manual page 26

RF Unit (Ver. D: Lot. 1~5)
Circuit Diagram (2)
5.3 V
5.8 V
26
4.8 V
2.2 V
1.2 V
0.7 V
1.3 V
RX WIDE: 0.2 ~ 3.8 V
RX NARROW: 0.2 ~ 3.5 V
TX: 0.2 V
RX WIDE: 0.3 ~ 5.6 V
RX NARROW: 0.3 ~ 5.1 V
TX: 0.3 V
3.7 V
3.7 V
3.7 V
HORN OFF: 0 V
HORN ACTIVE: 5.0 V
HORN OFF: 8.9 V
HORN ACTIVE: 8.3 V
HORN OFF: 8.9 V
HORN ACTIVE: 0 V
HORN OFF: 0 V
HORN ACTIVE: 8.9 V
BUSY: 5.0 V
MUTE: 0 V
HORN OFF: 10.0 V
HORN ACTIVE: 0 V
HORN OFF: 0 V
HORN ACTIVE: 0.6 V
HORN OFF: 0 V
HORN ACTIVE: 4.2 V
RX WIDE: 0.8 ~ 3.8 V
RX NARROW: 0.8 ~ 3.1 V
RX: 0.3 V
TX: 0.8 V
TX: 0 V
3.7 V
8.5 V
3.7 V
3.7 V
1.2 V
0.7 V
0.8 V
1.3 V
0.9 V 0.8 V
0 V
BUSY: 0 V
MUTE: 13.7 V
BUSY: 4.2 V
MUTE: 0 V
3.7 V
3.7 V
13.8 V
1.6 V
13.1 V
7.3 V