User guide • Read online or download PDF • Grundig 400 PE User Manual • Grundig Car radio. View and download the Manual of Grundig Sonoclock 53 Clock Radio (page 1 of 11) (English). Output: DIN 45324, 10% THD 400 mW.Grundig Sonoclock 400 Schematic. This is the 2 pages manual for Grundig Sonoclock 400 Schematic. Read or download the pdf for free. Electronics service manual exchange : schematics,datasheets,diagrams,repairs,schema,service manuals,eeprom bins,pcb as well as service mode entry, This is the 1 pages manual for Grundig Sonoclock 400 A Schematic. Read or download the pdf for free. If you want to contribute, please mail your pdfs to info@ Grundig manuals | Audio Manuals Page 17. pdf Grundig-Sonoclock-350-A-Manual · pdf Grundig-Sonoclock-350-Manual · pdf Grundig-Sonoclock-400-A-Sch