This is a good quality scan of the service manual which includes an assembly diagram, block diagram, schematic, and parts list. Exactly what is needed to repair my KR-V55R receiver.
Text excerpt from page 1 (click to view)
SS-CPX5S/CPX5W
SERVICE MANUAL
E Model Tourist Model
Photo: SS-CPX5S L-CH � This set is the speaker system in CMT-PX5.
SPECIFICATIONS
Speaker system Speaker units Woofer: Tweeter: Nominal impedance 2-way, bass-reflex type 13 cm dia., cone type 2.5 cm dia., balanced drive type 6 ohms