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jimjimx

Classic II over and under volt. Help

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After a recap, I got the chime back, but still have screen issues. 

Checked the electromotive force, and I’m reading 13.51 and 4.47... and drifting lower & higher

Both are too far out of spec., and I’m asking for help on finding out where I should start with this one. 

 

Edit

When reading the -12 line, it holds -12 for about 30 seconds, than drops to zero, climbs to -1 or -2, than jumps to -12 again.

Any ideas?

This thing is everywhere 

Edited by jimjimx

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Well... 

Could anybody help me out with schematics of the analog board?

Do ya have ‘em? 

Know where I can get ‘em?

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I think I’m going to start with the caps and see where the rails are at from there, and probe around to see what’s doing what..

Too bad I don’t have the parts here & now. I think I’ll double the order. 

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