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#11
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I think I've figured out the audio issue. I had a bad solder joint on the tone control. After reflowing the solder connection the problem has yet to return. I also realized the horizontal centering control does function, it's just that it doesn't have much adjustment at all. I don't know if it's functioning normally or not, but I do need a bit more shift than it's giving me. The raster is shifted too far to the left currently. I've been enjoying an episode of the Twilight Zone this evening trying to find any other issues. My list as of now:
1- Raster is off center to the left. 2- There appears to be a slight ripple present in the vertical. 3- There are three extremely faint vertical bars on the left side of the picture. 4- The picture focuses well in the center, but not at the edges. 5- The horizontal linearity isn't great. 6- The vertical deflection is collapsed on startup (although tonight it didn't happen) 7- There is a slight buzz in the audio (only audible when no audio is present)
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John |
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