FAULTY TV AND BAD SERVICE

Good day I bought a 55' sansui tv on the 03/08/2018 and on sunday the 23rd of September I try to switch on the tv there is sound but no colour on tv it was just blank , I then pack the tv in its or original box and took it back to hi fi corporation n1 city where I bought it I explain to the manager that was on duty what happen then she told me I need to bring in the tv they need to book it in for a assestment the tv is not even 2 months old . my next question is in these 10 days that my tv is in for assestment on what tv must we watch soapies just bear in mind that I do have 3 kids also I am very disappointed that they treat me like that if I know this will happen then I would bought it @game . can I please get an answer soon as possible I am not going stay without a tv for 10 working days . vanessa ********** 215