Boston Digital 15C551-043 Printed Circuit Board is a Boston Digital PCB assembly identified by the model numbers 15C551-043 and cross-referenced as 15C550, with BF appearing in catalog references. This PCB serves as an internal circuit board used within Boston Digital equipment, acting as a replacement part for the original control board. It is listed in vendor catalogs among other Boston Digital circuit boards, which supports its role as a genuine spare part for older Boston Digital systems.
