[Steve D.]

Hey Guys,
This is a very commom problem with these sets. The hardboard cabinets with the photo/faux wood grain saved RCA and others money and enabled them to lower the price to consumers. The hardboard/masonite does not take well to sanding or to stain. you can try to apply a veneer and this takes some carpentry skill, especially where edges and corners meet. It is do-able. I have over the years tried with some success using the adhesive wood grained shelf paper.
The finish is a bit dull but passable. Painting is another option. After some filling for chips and scratches, spray on a gloss black or dark brown, certainly not original but the results can be a nice even finish. Prep is paramount. Avoid masking by removing EVERYTHING not to be painted, including the brass, all you want is the cabinet shell.