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ok, i will do it, i really appreciate a lot your help, i will upload the picture tomorrow, today its a little late here in germany, and all the stuff are in the basement, and now its to cold to go there today.
OK, it looks like the connection from the positive of that cap goes up the topside and out between the other two caps.
It then continues up the edge of the board & under the black stuff, with a branch.
See the yellow arrows on this photo. Check the voltage on that resistor.
However, looking at the earlier photo with voltages marked, I just noticed the one for the IC pin 14, which is the lowest of all.
That may mean it is the cap or device next to it, possibly a zener in a three terminal package?
The Y4W marking seems to make it a 15V zener, such as this:
Another suggestion - try scrubbing the entire board with a small stiff brush - eg. an old toothbrush - and isopropyl alcohol.
There is a lot of flux residue around some components and I can see fragments of loose solder in some photos.