I had a portable Matsui colour TV. Never gave me any trouble, was withdrawn basically because it was obsolete tech.I bought a Matsui (Dixons own brand) microwave for £49.99 in 1985 from Dixons and I declined the extended warranty for another £49.99 - that microwave died over 30 years later !. Dixons also had an own brand "Miranda" iirc for electronics so the "Matsui" name might have been used for the larger kitchen goods with the same name (iirc ?) for Currys.
Did Dixon's have the Saisho brand, or is that someone else?