Hello, greetings to all; After adjusting the power filter and changing the tone circuit there was still some "hum" left and I managed to eliminate it by welding the negative of the 6av6 cathode capacitor directly to the meshes of the volume potentiometer that is on the other side of the chassis, I I explain, the 10 uf 63v capacitor (the negative) was welded in the chassis and the positive in the cathode of the 6av6, because now the negative of the capacitor is directly soldered to a cable that crosses the chassis to the other side where the volume potentiometer and there in the terminal where the negative meshes are welded I welded the cable, hence another part for the filter capacitor negatives.
Well, this is it, the buzz disappeared and now it works well.
The conclusion is that this radio is a brand kit but each one was mounted in his workshop and I imagine that they did not stop in the hum, there were also stations throughout the dial and if he sang it was enough, on the other hand, the bad chassis designed with a lot of space and little use, very large capacitors as of the time that there is nowhere to put them in part because of the bad design of the chassis, etc.
I've only seen 2 radios of this brand, wired differently but the 2 buzzed so I reach these conclusions.
Now I am happy with the result and upload the scheme with the latest cathode condenser reform of 6av6.
Thank you all for helping and I hope my scheme can help someone. Greetings, see you and if there are opinions that are welcome
Hello everyone, this is my first time here. I have a valve radio from the ANCAR house in Barcelona, it is a World Radio Dance M-3 Melody series. I have no scheme, the problem is that I had burned the filter shock and wanted to know the value in Henrios and the value in Ohms of the coil resistance. Also know how many volts is the voltage of + B. Putting it to work by placing resistance of 1200 Oh instead of the shock makes me seem quite hum. I have changed the filter capacitors, of course, it seems that it had 20uF + 40uF. With no signal and volume to a minimum, you feel the annoying hum from room to room. 48 years ago this radio was newer than now and I was a child but I remember feeling that hum.
Let's see if someone more experienced than me can explain to me where the problem is, or if he knows where to get the original scheme or the value of the shock and the tension + B.
Take these valves: 6AJ8 6BA6 6AV6 6AQ5 6X4
I made the scheme by copying it according to the components in the chassis, if you see an error, I want to comment.
I would appreciate any information. Regards.
