Hi all - new to Geekzone and hoping you can help.

I have MySky HDi connected via HDMI to TV via an HDMI switcher.  All working fine.

BUT - I also want to output to an old VCR so I can transmit signal to another room via coax (we then use a transmitting sky remote in bedroom to control sky box).  This has always worked previously connected Sky to VCR through both SCART and RCA cables.  Recently, this has stopped transmitting audio - picture is OK.

Interestingly, if you press Mute (or some different buttons) on Sky remote and then unmute, I get sound for a brief moment before it then stops.  So I think the cable connection is working; it must be something in the Sky box setup.  (Audio output from VCR player is fine and works just using a tape - so it's something getting between Sky Box and VCR).  I've reset all settings back to factory, just in case I'd accidentally reset something but makes no difference.

Any advice gratefully welcomed.  Was there a Sky software update?  Could the HDMI switch be interfering (not sure how, as this is a different connection)?