Vertex Standard VX-2500EV, Service Manual

Page: 33 / 44

PANEL Unit
33
Circuit Diagram
LIGHT ON: 3.9 V
8.2 V
5.0 V
FLASH ROM WRITE: 5.0 V
FLASH ROM WRITE: 0 V
FLASH ROM WRITE: 5.2 V
HOOK OFF: 4.7 V
HOOK ON: 0 V
FLASH ROM WRITE: 5.2 V
FLASH ROM WRITE: 12.0 V
PTT ON: 0.5 V
PTT OFF: 5.0 V
BUSY: 0.3 V
BUSY: 2.4 V
TX: 0.2 V
1.8 V
1.8 V
4.2 V
5.0 V
0.6 V
2.6 V
0.5 V
2.6 V
1.8 V
1.8 V
1.8 V
1.8 V
0.8 V
5.0 V
0.8 V
5.0 V
0.8 V
0.8 V
4.9 V
0.8 V
3.0 V
2.7 V
2.5 V
2.5 V
2.5 V
2.5 V
2.2 V
2.5 V
1.8 V
1.8 V
2.5 V
1.8 V
1.8 V
2.5 V
2.5 V
2.5 V
2.9 V
2.5 V
4.9 V
5.0 V
COMPANDOR OFF: 0 V
COMPANDOR ON: 5.0 V
2.5 V
2.5 V
0.8 V
3.8 V
1.8 V
1.8 V
1.8 V
1.8 V
4.0 V
1.8 V
1.8 V
1.8 V
1.8 V 5.0 V
2.6 V
TX: 1.9 V