Red dot help

HI all had trouble with red dot on box and thought I cured it but seem to happen again I have to switch box on and off a few times to get it to start longer each time read up on these threads about capacitor c807 and easy to replace which solves this red dot problem the thing is I put voltage tester on capacitor and reading right voltage for capacitor that's in vu box and the photos on this site of capacitor c807 is different to mine see photos attached any ideas what else causes red dot ie not starting up Attachment 65405 Attachment 65406 help please