ok heres the problem...I have a older tv with only one cable hookup on the back and i need to hookup a directv reciever and a ps2. i was told i needed a rf modulator, which i bought. I ran my direct cable that comes out of my wall into the directv reciever and a cable from my reciever to the modulator, and a cable from the modulator to the back of my tv. i hooked the ps2 wires to the modulator as well. Everything turns on a works, but while playing the playstation my tv goes to static for about 2 seconds at a time whenever the screen changes to a different scene and whatnot. this also happens while watching a dvd on my playstation. So do i have wires mixed up? Do i need another/different component to make this setup work? Please help!!