sofie wrote:
A wild guess.... to be sure!

Less wild than the two previous posters call for COLD SOLDER JOINTS !, I
would even bet a case of beer on it. We could get the O/P to umpire the
call.
Yukio

I traced the Relay on another TV with the same symptoms same way, was
surprised by how small it was. These contacts are supposed to last a
hundred thousand cycles !