Search results

Making and printing out a spreadsheet can be very helpful. I attached one I used before. Tony

They are all plastic. Tony

Do you have an oscilloscope to try and trace the noise? Tony

If you short the input to that channel does it change the buzz? Tony

Video coming soon? Tony

Tom has retired and not looked back. Tony

How to connect a trimpot as a variable resistor? Tony

Cool little break! Tony

Did you test the meter? Tony

Looks like it's a bit of a twist. Tony

I have been told both 2N5114 and 2N5116 will work. I used 2N5116. Mouser has 2N5116 $11.23 each. Tony

That's the ones I have used. Tony

That's cool! Tony

I have not need to on any of the ones I have worked on. Tony

Yes they are normal. The more it was used the darker they are. Tony

The four big ones R1203/1204 and R1220/1221 are 10K 3 watt. I don't know that type is important. I go with good wire wound for them. I also mount them a little higher off the board. Tony

KSC3503 will mount right into the board. Tony

That's it. If you trace the wires you will see that it is connected to both sides of the switch. Tony

The switch looks untouched. Tony

With the switch off and no power there is about 35 ohms across mine. Tony

The yellow and red wire nearest the face are for the relay. The wires furthest from the face are the power. Do you have a volt meter to test with? I have one of these open I will look to see where the snubber cap is. Tony Tony

The 24 has a mute relay that shorts the outputs to ground when it is switched off. It is delayed when turning on. As you can see the relay is controlled by a second switch. So the mute can work even if the power switch has a problem. If the unit is not powering off either the power switch is...

I edited the picture in my first post. The FM tuning cap looks a lot like the one in the 18 and 19. Tony

Adding the second ground greatly reduced the noise. Cutting the trace made it go away. This one was trash when I got it. Its all working now. I need to make a cover as it came with out. Tony

I know this has been inactive for a while, but I just fixed one with that had a ground loop issue. First I cut the trace as seen in the bottom center of the picture. Then I added the jumper from J610 to the solder on the ground screw. It is now dead quiet. Tony