Hinari VTV-300 TV/VCR COMBI

[SPal508596]

I have this set with picture working normal but there is no sound. What could
be wrong here?

 

[Art]

Defect in audio circuit, speakers switched off, etc, spececifically what
troubleshooting and diagnosis have you preformed?? Could be even a broken or
disconnected speaker lead due to mechanical relocation.