GRUNDIG 42 INCH CHASSIS PE

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  HI to all i need help i have this plazma tv 42inc grundig chassis pe  it is working onlu vga input ,but tuner ,scart input not working i think i must change frimware does anuone haVE GOOD FREMVARE i have download gprobe 5  but whot hardvare i need from pc to tv please schematic   bay  the way main board is beko HW1.190R-3