Hello, I'm having issues with the sound on a Lionel G scale Polar Express. The train is powered by 6 C cell batteries and is controlled by a wireless remote. The sounds stopped working so I opened it hoping to find a loose wire to the speaker, but wasn't that lucky. I could see no visible issues, so figured it must be a bad component. I discovered one weird thing though. I noticed that if I touched a piece of metal ( tester lead, length of wire, pocket knife etc) to one of the solder joints, it would occasionally "Jump Start" the sound and it would work for a short time. There are 2 capacitors on the board which were well within my electronic capabilities to replace, so I replaced them, however it made no difference. Does anyone know what mat cause this kind of behavior? Any advice would be greatly appreciated. Thank You!
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