The RCA K series players appear externally identical to their J series counterparts. What changes were made in the K series?
Although at first glance identical, minor cosmetic changes were made with the K series on the front panel, buttons, and remote control. In addition, some refinements were made to the circuit design, resulting in some component value changes, additions, or removals. When servicing these units, it’s necessary to use the service manual specific to that particular J or K series model.