Cart “Service Manual and Circuit Diagram for Roland VS300, VS420, VS540, and VS640” has been added to your cart. Continue shopping Remove item Thumbnail image Product Price Quantity Subtotal × Service Manual and Circuit Diagram for Roland VS300, VS420, VS540, and VS640 $11.99 Service Manual and Circuit Diagram for Roland VS300, VS420, VS540, and VS640 quantity $11.99 × Service Manual and Circuit Diagram for Roland VS300, VS420, VS540, and VS640 $11.99 Service Manual and Circuit Diagram for Roland VS300, VS420, VS540, and VS640 quantity $23.98 Update cart Cart totals Subtotal $35.97 Total $35.97 Proceed to checkout