Main Unit (Lot. 1~5) - Vertex Standard VX-230 Series Service Manual

RX: 0 V
TX: 0.8 V
–8 dBμ
7.4 V
PTT "ON": 0 V
7.4 V
PTT "OFF": 3.5 V
5.0 V
RX: 5.0 V
TX: 0 V
BUSY: 7.4 V
MUTE: 0 V
4.0 Vp-p @500 mW
7.4 V
RX: 2.9 V
TX: 0 V
–11 dBμ
RX: 0 V
TX: 4.2 V
TX 5W: 1.1 V
TX 5W: 0.7 V
RX: 0 V
TX: 0.4 V
TX 5W: 1.9 V
RX: 0 V
TX: 5.0 V
1.9 V
1.3 V
6.7 V
RX: 2.1 V
TX: 0 V
–1 dBμ
–5 dBμ
RX: 0.8 V
TX: 0 V
4.2 V
RX: 0.8 V 3.0 V RX: 3.7 V
TX: 0.8 V TX: 4.2 V
RX: 2.5 V
0.3 V
RX: 4.2 V
TX: 2.5 V
TX: 4.0 V
RX: 1.9 V
TX: 1.8 V
SAVE "ON": 0 V
SAVE "OFF": 3.5 V
RX: 0 V
TX: 3.5 V
NORMAL TEMP.: 2.6 V
3.5 V
EXT.PTT
3.5 V
ON:2.1 V
INT.PTT
OFF:4.0 V
ON:3.5 V
OFF:0 V
RX: 0 V
TX: 2.9 V
RX: 2.9 V
TX: 0 V

MAIN Unit (Lot. 1~5)

+7 dBμ
5.0 V
WIDE: 4.6 V
NARROW: 0 V
4.9 V
LOCK: 3.4 V
UNLOCK: 0 V
RX: 0 V
TX: 5.0 V
BUSY: 3.5 V
MUTE: 0 V
4.3 V
RX: 2.4 V
RX: 2.9 V
TX: 2.9 V
TX: 2.5 V
Circuit Diagram
0.7 V
RX: 5.0 V
TX: 0 V
17