TS-520 RX and TX

[XE2URF]

hello! I have a ts-520 that connect the radio vfo-520 I started to have problems with tx, transmits and receives on different frequencies, before doing this my radio works fine, I reported as a blackout, no one understands what I speak, and disconnect the VFO-520 but still the same. Can anyone help me?.

73 of XE2URF