Main Unit Circuit Diagram - Vertex Standard VX-2100 Series Service Manual

-121.5dBm
-123.8dBm (C1046 removed)
RX:2.0V
TX:0V
RX:7.5V
TX:0V
-120.5dBm
RX:0V
TX:0.9V
RX:2.2V
TX:1.9V
RX:0V
TX:8.0V
POWER OFF:0V
POWER ON:13.6V
13.6V
5.2V
2.1V
5.0V
AF OFF:5.0V
AF ON:0V
EXT SP Jack
SP
RX:1.3V
-103.0dBm
TX:0V
-111.0dBm (C1146 removed)
RX:7.5V
TX:0V
RX:1.4V
-103.0dBm
TX:0V
-108.5dBm (C1093 removed)
RX:2.5V
TX:5.9V
RX:13.6V
TX:13.6V
+27.5dBm
50W:4.3V
RX:3.2V
10W:3.1V
TX:3.3V
RX:0V
TX:5.0V
RX:0V
TX:0.2V
RX:5.4V
TX:3.7V
RX:0.6V
TX:0.7V
RX:5.0V
8.1V
TX:0V
3.3V
8.1V
RX:8.1V
TX:0.4V
RX:8.1V
RX:3.3V
TX:0V
TX:4.3V
RX:0V
2.1V
4.3V
TX:8.0V
RX:1.9V
TX:0.4V
RX:0V
TX:5.0V
5.2V
2.1V
2.1V
HOOK ON:5.1V RX:5.1V
HOOK OFF:0.3V TX:0V
5.0V
5.0V
RX:5.1V
TX:0V
5.1V
5.2V
67.65MHz
RX:7.4V
67.65MHz
-81.5dBm
TX:0V
-108.5dBm
-102.5dBm (C1230 removed)
-110.0dBm (C1198 removed)
RX:2.0V
TX:0V
RX:4.3V
TX:0V
RX:1.2V
TX:0V
7.3V
RX:0.4V
TX:0.7V
2.5V
0.7V
RX:7.0V
RX:1.0V
TX:7.3V
TX:1.7V
8.1V
0V
RX:8.0V
TX:0V
RX:0V
TX:1.7V
RX:2.2V
TX:2.3V
RX:7.3V
TX:7.0V
RX:4.0V
4.5V
TX:3.9V
RX:0V
TX:8.0V
5.2V
2.0V
4.5V
@25°C
2.1V
2.1V
2.1V
13.6V
5.2V
2.1V
2.1V
MUTE:0V
UNMUTE:5.0V
8.1V
3.5V
RX:8.0V
TX:0V
8.1V
RX:1.3V
TX:0V
RX:2.2V
TX:0V
WIDE:5.3V
NARROW:0V
WIDE:0V
NARROW:4.9V
5.2V
5.1V
2.5V
5.0V
2.3V
2.1V
RX:1.3V LOCK:5.1V
TX:0.4V UNLOCK:0V
5.2V
RX:1.2V
TX:0.4V
RX:0.7V
TX:0V
5.0V
12.9V
5.2V
SHIFT ON:0.1V
SHIFT OFF:3.4V
5.2V
5.0V
RX:5.1V
TX:0V
7.9V
POW OFF:0V
POW ON:5.5V
5.0V
RX:0V
TX:5.0V
MAIN Unit
Circuit Diagram
RX:0V
TX:5.0V
5.0V
H-1