Why do my hi-fi speakers keep cutting out at when a song 'kicks in'?? I have to turn the hi-fi off and start again to get any sound through them, but it keeps cutting out , especially if I turn the volume up. Normally get between 5 to 60 seconds of normal CD playing and then volume cuts out, but display shows CD is still playing. If I play on low volume everything seems to work fine. Do the speakers need fixed / binned? Is the amp faulty (built in to hifi). It is an old Panasonic Hi-Fi (about 20 years old but £400 at the time so it's decent quality!). Thanks.