Yaesu VX-2R, Technical Supplement

Page: 17 / 44

17
MAIN Unit
Circuit Diagram
1.9 V
0.8 V
1.9 V
0.7 V
2.2 V
0.7 V
2.5 V
2.3 V
1.7 V
2.2 V
0.7 V
0.8 V
52 MHz: 1.5 V
BC Band: 1.7 V
0.8 V
52 MHz: 1.5 V
BC Band: 1.6 V
RX: 2.5 V
TX: 0 V
RX: 2.6 V
TX: 0 V
3.0 V
3.0 V
0.8 V
LAMP ON: 2.8 V
LAMP OFF: 0.7 V
LAMP ON: 1.6 V
LAMP OFF: 0 V
BUSY: 0.7 V
SQL ON: 0 V
RX: 0 V
TX: 0.7 V
3.0 V
0.8 V
3.0 V
146 MHz RX: 2.6 V
6.5 V
146 MHz RX: 0.6 V
3.0 V
0.7 V
146 MHz RX: 1.7 V
RX: 3.0 V
TX: 0.8 V
RX: 3.0 V
TX: 0 V
TX: 1.2 V
TX: 1.2 V
1.2 V
3.0 V
RX: 0 V
TX: 3.0 V
TX: 1.3 V
0.7 V
0.7 V
2.6 V
0.7 V
2.7 V
AM: 0.7 V
AM: 2.7 V
WFM: 2.7 V
0.9 V
2.6 V
0.7 V
2.6 V NFM/AM: 2.8 V
RX: 2.9 V
TX: 0 V
1.0 V
0.7 V
2.9 V
2.5 V 1.7 V
2.9 V
2.9 V
1.1 V
AM: 0.7 V
AM: 0.6 V
AM: 1.0 V
NFM, WFM: 0 V
AM: 2.6 V
NFM, AM: 0 V
WFM: 3.0 V
146 MHz TX: 1.8 V
440 MHz TX: 2.0 V
146 MHz: 1.6 V
440 MHz: 1.3 V
4.1 V
4.1 V
TX: 0.8 V
TX: 0.8 V
440 MHz TX: 2.8 V
3.1 V
LAMP OFF: 2.8 V
LAMP ON: 2.2 V
2.9 V
0 V
3.0 V
TX: 0.2 V
TX: 0.9 V
TX: 1.7 V
4.4 V
4.1 V
4.1 V
3.6 V
3.9 V
CHARGE: 3.0 V
0 V
1.6 V
1.7 V
1.7 V
BUSY: 3.0 V
SQL ON: 0 V
3.9 V
3.0 V
2.9 V
0 V
0 V
3.0 V
3.0 V
4.1 V
3.0 V
3.4 V
3.1 V
6.5 V
3.0 V
RX: 2.9 V
TX: 0 V
RX: 2.3 V
TX: 2.8 V
RX: 0 V
TX: 2.9 V
0 V
3.0 V
1.6 V
0.1 V
0.7 V
2.8 V
1.5 V
1.2 V
3.0 V
BUSY: 0 V
SQL ON: 3.0 V
3.0 V
2.3 V
1.6 V
2.2 V
RX: 2.6 V
TX: 0 V
3.0 V
RX: 0 V
TX: 2.9 V
RX: 0 V
TX: 2.9 V
RX: 2.9 V
TX: 0 V
0.7 V
3.0 V
1.7 V
3.0 V
3.0 V
3.0 V
3.0 V
UNLOCK: 3.0 V
CLOCK SHIFT ON: 0 V
CLOCK SHIFT OFF: 3.0 V
RX: 0 V
TX: 2.9 V
1.8 V
1.8 V
2.6 V
3.0 V
RX: 0 V
TX: 2.7 V
RX: 0 V
TX: 2.7 V
RX: 2.8 V
TX: 0 V
RX: 2.7 V
TX: 0 V
ATT ON: 2.2 V
52.1 MHz NFM: +9.7 dBµ
0.001 µF Coupling Capacitor
146 MHz NFM: +3.6 dBµ
0.001 µF Coupling Capacitor
439.1 MHz NFM: -4.9 dBµ
0.001 µF Coupling Capacitor
850.1 MHz NFM: +8.7 dBµ
0.001 µF Coupling Capacitor 47.25 MHz NFM: +4.0 dBµ
0.01 µF Coupling Capacitor
45.8 MHz WFM: +15.7 dBµ
0.01 µF Coupling Capacitor
10.7 MHz WFM: +18.8 dBµ
0.01 µF Coupling Capacitor
47.25 MHz NFM: +5.3 dBµ
0.01 µF Coupling Capacitor
Downloaded by
RadioAmateur.EU