What model TV is it? Some have miniature RGB plugs which let you use an adaptor like this one for certain Samsung TVs GENUINE SAMSUNG LED LCD & PLASMA SCART ADAPTOR CABLE LEAD CONNECTOR ADAPTER BN39-01154F / BN39-01154A https://www.amazon.co.uk/dp/B005POM8WO/ref=cm_sw_r_cp_tai_vNKnxbB5AF34M
The scart connector carries video and audio data, ypbpr (component video) or RGB are video only, so you would need an audio input as well (or separate sound bar).
Pop the TV model on here, someone should be able to advise
The easiest thing to do would
What model TV is it? Some have miniature RGB plugs which let you use an adaptor like this one for certain Samsung TVs GENUINE SAMSUNG LED LCD & PLASMA SCART ADAPTOR CABLE LEAD CONNECTOR ADAPTER BN39-01154F / BN39-01154A https://www.amazon.co.uk/dp/B005POM8WO/ref=cm_sw_r_cp_tai_vNKnxbB5AF34M
The scart connector carries video and audio data, ypbpr (component video) or RGB are video only, so you would need an audio input as well (or separate sound bar).
Pop the TV model on here, someone should be able to advise you, the easiest thing would be to talk to Virgin about replacing/upgrading the box.