C64 sound problems

[David Betz]

> are you using the correct cable plugged into the correct place?
> this is usually the biggest cause.
> sound was mono, and you need the proper wiring, and your tv/etc may  
> only accept
> mono sound on a specific input

I think I'm using the correct cable. The one I'm using for audio  
connects to pin 3 of the A/V DIN connector. I'm plugging it into a TV  
that only accepts a mono input and I've verified that the TV sound  
works correctly by plugging it into an Atari 800xl.