Unable to Set value to Time zone lookup

Hi all,

Below is my code where im trying to set a value to timezone lookup , i have given the usual format how we insert the lookup value but still didnt work , even i tried to hard code the value its not setting the value,  Kindly advice

psychicEsq.getEntityCollection(function (result) {

                    var timezonepsy = {

                            value :changepsychictimezone.value ,

                            displayValue: changepsychictimezone.displayValue,

                            primaryImageValue: "",

                            code:changepsychictimezone.code

                            

                        };

                        this.console.log(timezonepsy);

                        self.set("UsrPsyTimeZone",timezonepsy);

                     });

Regards,

Sethuraghav N