Please I a working on a Grundig and Amstrad TV both 20" the fault is the same when you put it on the standby light comes on but it doesn't switch on, you can here the switching sound. I have change the FET transistors and the power ic's of both but still not switching the model for the Grundig is T55-830text made in Austria. The Amstrad is model 20"TX Silver made in Turchia pleas kindly help.
Also Mr. Adams thank you
Also Mr. Adams thank you