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Hi The problem may be in the tuner or associated circuit. Firt check the DC supply line to the tuner. This circuit has a limiting resistor (15K 3W) and a 33V zener diode. If these are OK the tuner is faulty and should be removed (sometimes it comes on a separated board attached to the main board) and serviced.
Hi I think the problem is in the tuner, a small metal box near the antenna input and can be removed and serviced. But first you should check the DC supply line to the tuner. The circuit has a big limiting resistor (15K/3W) and a 33V zener diode and a small filter electrolitic capacitor). The zener is prone to be leaky and unstable. Sully
there is sinal interferences from laser products pc mobile transmitters or video games get high quality vcr and cable tv cables move or switch off any video games cd players energy saving lamps or pc and microwaves n motors like pumps change the position of installation of cable and antenna to avoid path of interference
I too would like to know the solution to this question...we are having the identical problem and Sony doesn't seem to know how to fix it. Although, the picture from the DVD player is perfect, the pictures for cable & video games are terrible. Very frustrating!
try re-botting your HDbox,also refit your scart lead to your box & t.v. If you drop me an e-mail I will go through how to re-bot your box,if you don't know - re-botting your box helps pull in all the new software for your box - think it like a pc needing to update the programmes. e-mail firstname.lastname@example.org.