Sometimes trying to define what happened in your case will be difficult to explain "why". Grounding problems can be a real pain. They fixed your coax and life is good again. A lot of people may disagree with me, but I don't use surge suppressors. Jokingly I say " A lightning bolt is hotter than the surface of the sun."
(LCD - Sony KDL -52 XBR4) (Receiver - Yamaha RX-A1040)(Blu Ray - Oppo BDP-83) (PS3)( Comcast X1) Speakers (L & R - Paradigm Studio 20) (Center -Paradigm CC-470) (Surrounds & Back Surrounds - Paradigm SA-15R in walls) (Subwoofer 1 - Sunfire HRS-12) (Subwoofer 2 - Paradigm PW-2100)