Make sure that between conclusions of A and V of the antenna there is no electric communication, with use of an ohmmeter.

Fig. 7.85. Antenna feeders No. 1 and No. 2

Check resistance.

Fig. 7.86. Scheme of check of antenna feeders

If measurements on correspond to the data provided on the figure 7.86, replace an antenna feeder No. 1 or No. 2.