Here are some quick photos I took from my original SM. Bad lighting, but it reinforces what John said about the Sansui manuals being confusing when compared to actual PCA in hand. This is the F-2980 (Left Drivers) from the G-6700 that may help. Ignore the F-3058 bd on the right. I have added in some of the numbered jumper pin holes. Some component values and components used may differ from the G-5700.