Rf Unit Circuit Diagram - Vertex Standard VX-4200 Series Service Manual

RX: 6.4 V
TX: 0 V
–122.0 dBm
–120.5 dBm
RX: 0 V
TX: 1.6 V
RX: 0 V
TX: 8.0 V
8.0 V
PWR OFF: 0 V
PWR ON: 7.4 V
RX: 7.6 V
TX: 7.4 V
RX: 4.9 V
TX: 0 V
8.0 V
13.6 V
RX: 0 V
TX: 8.0 V RX: 0 V
TX: 8.0 V
RX: 0 V
TX: 4.8 V
RX: 2.0 V
TX: 0.4 V
PWR OFF: 0.5 V
PWR ON: 5.0 V
COMP OFF: 5.0 V
COMP ON: 0 V
Q1016
9 BAL ADJ: 0 V
DTMF: 5.0 V
10 NOMAL AF: 0 V
FLAT AF: 5.0 V
11 FRONT MIC: 0 V
EXT MIC: 5.0 V
5.0 V
Q1014
9 PA: 0 V
RX: 0 V
10 RX OUT: 0 V 2.5 V
DISC OUT: 5.0 V
11 EMPH ON: 0 V
EMPH OFF: 5.0 V
PWR OFF: 6.6 V
AF OFF: 5.0 V
AF ON: 0 V PWR ON: 0 V
HOOK OFF: 5.0 V
HOOK ON: 0 V
ENGESBRA Distribuidor Autorizado Vertex Standard
RX: 6.9 V
TX: 0 V –111.5 dBm
–117 dBm (C1127 removed)
RX: 2.2 V
TX: 0.1 V
RX: 0.8 V
TX: 0.1 V
RX: 2.5 V
TX: 5.8 V
RX: 13.6 V
+17 dBm
TX: 13.5 V
50 W: 4.3 V
10 W: 2.8 V
RX: 4.9 V
TX: 0 V
COMP OFF: 0 V
COMP ON: 5.0 V
5.0 V
5.0 V
2.5 V
2.5 V
4.5 V @25 °C
1.8 V 5.0 V
RX: 5.0 V
TX: 0 V
EMPHASYS OFF: 5.0 V
EMPHASYS ON: 0 V
SHIFT OFF: 5.0 V
SHIFT ON: 0 V
5.0 V
0 V
ENGESBRA Distribuidor Autorizado Vertex Standard
| www.radio-vertex.com.br | Tel.(11) 2983-1335
RX: 1.0 V
50.85 MHz
TX: 0 V
–107.5 dBm
–120 dBm (C1194 removed)
RX: 2.0 V
TX: 0 V
RX: 3.9 V
TX: 0 V
2.7 V
RX: 0 V
RX: –4.2 V
0.9 V
TX: 5.3 V
TX: –4.6 V
RX: –3.3 V
TX: 0 V
0.7 V
0.1 V
RX: 0 V RX: –4.2 V
TX: 0 V
TX: 0.3 V RX: 3.3 V
TX: 3.4 V
RX: –4.9 V
TX: –4.6 V
RX: 4.9 V
TX: 0 V
RX: 0 V
TX: 8.0 V
RX: –4.2 V
TX: –4.6 V
5.0 V
RX: –4.9 V
TX: –5.0 V 0.8 V
MAIN RX: 4.0 V
SUB RX: 0 V
2.9 V
5.0 V
MUTE: 0 V
UNMUTE: 5.0 V
OPTION: 0 V
NON OPTION: 5.0 V
INT DTMF: 0 V
OPT DTMF: 5.0 V
8.0 V
3.5 V
| www.engesbra.com.br/vertex | Tel.(11) 2983-1335
50.85 MHz
–94.1 dBm
–99.5 dBm (C1302 removed)
50.85 MHz
–111 dBm
–117.5 dBm (C1236 removed)
RX: 2.9 V
TX: 0 V
RX: 1.4 V
TX: 0 V
RX: 0.6 V
TX: 0 V
7.2 V
RX: 6.9 V
TX: 7.2 V
RX: 7.2 V
TX: 6.7 V
4.9 V
5.1 V
5.0 V
RX: 4.6 V
TX: 4.5 V
1.6 V
2.4 V
4.0 V
1.3 V
5.0 V
MAIN RX: 4.0 V
LOCK: 5.0 V
SUB RX: 0 V
UNLOCK: 0 V
5.0 V
12.9 V
5.0 V
SHIFT ON: 0 V
SHIFT OFF: 5.0 V
13.6 V
5.0 V
5.5 V
6.5 V
RX: 0 V
TX: 4.9 V
RF Unit
Circuit Diagram
RX: 4.8 V
TX: 0 V
RX: 3.2 V
RX: 0.6 V TX: 0 V
TX: 0 V
RX: 1.3 V
0 V
TX: 0 V
WIDE: 3.3 V
NARROW: 0 V
WIDE: 0 V
NARROW: 4.5 V
5.0 V
2.5 V
MAIN RX: 5.0 V
SUB RX: 0 V
RX: 5.0 V
TX: 0.1 V
5.0 V
RX: 0 V
TX: 4.9 V
H-1