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The differences you see on those two schematics are mostly due to the fact than when reverse engineering a design, true circuit values sometimes get inaccurately evaluated.
One reason here is that a capacitor that says 150 may be a 150pF or it could be 15pf, depending on the manufacturer. 100 might be either 100pf or could be 10pf. Unless the component gets physically removed from circuit and measured accurately, there will be some ambiguity. Mistakes happen.
Or, the reverse engineer may have marginally legible handwriting so that whoever looks at the drawing from that point forward will have to make a guess, and that goes double after the drawing has gone through a copy machine several times.
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