This manual is very useful because it presents the technical specifications of the cd player, including the manufacturer of the reader, this helps if you need to replace it. It also displays the settings and layout of the circuit.
Text excerpt from page 44 (click to view)
GRUNDIG Service
Chassis 22.1 ME
Bildrohrplatte / CRT Panel ZA1194
Ansicht von der Bestückungsseite / View of Component Side