Grundig tv Chassis No:CUC1805
ATS Reset: Press and hold button VOL+ on the TV and switch the main button ON ATS bit is set.
Child Lock cancel: Press VOL+,VOL-,PR-,PR+,OK
Colour tv service mode, Sony,singer,akai,lg,samsang,toshiba,grundic,panasonic,daweoo,sharp,jvc,nec,onida