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Trying to fix an old record player.

Mesaj: 154

Trying to fix an old record player.

Mesaj#1 » 2017 Tem 31 12:28

Hay everybody, I'm new to this forum so ill start by stating that I have never taken any formal electronics courses. Aside from automotive electronics. That being said, ohm's law, voltage divider circuits, voltage drop test/available, and of course resistance test pretty much covers my base knowledge of this topic. I do sometime mess around with transistors but my brain catches fire after a while of that

Here is what I am stump on. I have a 12v DC brushed motor with four wires (-blue, +red, "P"yellow, and "P"yellow out of a Casio ms250 record player that spins too fast. The motor only runs at full 12v speed the two yellow wires have zero effect on motor speed. Basically the motor is shot. At this point I am at the end of my rope I even tried to use half of a potentiometer to get the motor down to proper speed maybe with the proper POT it will work. The motor only needs .1 amps to run. I have below pictures of the motor. But if you have a solution that shotguns this motor it's not the end of the world.

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