VX-4000 VHF Service Manual
6A-1
MAIN Unit (Lot. 1~)
Circuit Diagram
13.8V
(13.8V)
1.48V
(0V)
13.75V
(13.8V)
12.99V
0.86V
6.36V
0.39V
5.69V
(5.68V)
(2.09V)
(0.97V)
(5.67V)
(1.8V)
(1.18V)
(1.08V)
(5.3V)
(4.82V)
(5.16V)
(5.64V)
(4.48V)
Wide:(0.01V)
Narrow:(1.84V)
Wide:(4.92V)
Narrow:(0V)
(6.05V)
5.27V
(5.58V)
0.75V
(0.4V)
7.77V
(7.72V)
2.97V
(3.1V)
3.45V
(0.07V)
3.46V
(2.48V)
(3.68V)
8.07V
(7.84V)
8.31V
(8.28V)
0.76V
(0.0V)
8.94V
(8.91V)
8.4V
(0.0V)
3.44V
(6.93V)
3.44V
(8.38V)
3.37V
(2.5V)
7.89V
(7.84V)
2.34V
(1.74V)
13.0V
(13.51V)
8.9V
(13.51V)
2.05V
(0.02V)
2.74V
(0.02V)
2.7V
(0.02V)
3.43V
(2.54V)
13.75V
13.11V
(13.14V)
9.04V
(9.04V)
8.97V
(8.95V)
8.32V
(8.94V)
0.0V
(8.97V)
0.07V
(8.94V)
4.96V
(0.0V)
9.02V
(0.02V)
0.0V
(4.97V)
1.98V
(1.98V)
1.67V
(1.67V)
Narrow:(4.92V)
Wide:0.0V
3.44V
(2.55V)
6.86V(5.08V)
3.42V
(2.54V)
6.85V
(5.08V)
0.0V
(4.53V)
0.0V
(4.95V)
2.69V
(2.71V)
2.68V
(2.71V)
5.0V
(4.98V)
5.3V
(5.3V)
4.73V
(4.81V)
0.06V
(4.81V)
7.56V
(0.05V)
(0.01V)
(0.68V)
(8.87V)
NB/RF_G Hi:
(0.03V)
NB/RF_G Lo:
(0.26V)
0.66V
(0.14V)
4.47V
(4.45V)
0.01V
(0.01V)
(0.0V)
(8.73V)
(0.08V)
(0.31V)
(5.55V)
(7.82V)
(2.47V)
(1.92V)
(2.4V)
(4.82V)
(5.0V)
(2.24V)
(0.9V)
(4.94V)
(4.94V)
(2.6V)
(2.94V)
(4.89V)
(4.0V)
(0.01V)
(4.97V)
(3.99V)
XX: TX 161.01 MHz, MIC Input Level 1 kHz 3.0mV (STD Dev), High Power
(XX):RX 161.01 MHz, RF Input Level 40dbµ emf (MOD=1.0 kHz, Dev=3.0 kHz), EXT SP OUT 10% Distn
14.0W
