Grundig tv servicing code

Grundig tv Chassis No:CUC1800

Child Lock Cancel: Press VOL+, VOL-, PR-, PR+, OK.

EPROM Version Nr.: Press button 'i' to call up the 'Dialog Center' ---> OK. The version number is                                                 shown by pressing the 'AUX' button. The index 01 of the Nr.(19798-300.01)                                               indicates the EPROM Version.

Service Mode: Menu guide: 'i' 'Special functions', 'Service', 'Code 85000'.