Heathkit SB-220 Upgrade Boards Files
SB-220 Upgrade Boards Installation Instructions.pdf
85-344-1-PCB-1 Digram.pdf
SB-220-CAP-PCB-1 Diagram.pdf
85-344-1-PCB-1 bill of materials.txt
SB-220-CAP-PCB-1 bill of materials.txt
85-344-1-PCB-1.jpg
SB-220-CAP-1.jpg
SB-220-CAP-2.jpg