Jerking picture

[saya]

Hi all,
I've been having jerking picture/signal especially on ITV and Sports Channels. Anyone?

 

[JIMMYQ]

hi what box is it ?

have you tried another scart?

 

[clive58]

check your signal strength in the EM. it should be over 30db.

 

[bong1]

i had the same problem but fitted a 6db foward path equaliser and now it works fine