Following are the customer service numbers for all the major TV manufacturers:
Hisense 1800 447 367 8.30am – 7.30pm M-F, 9.00am – 5.00pm S-S
LG 1300 542 273 7.00am – 7.00pm 7 days
Panasonic 132 600 8.30am – 6.00pm M-F
Phillips 1300 886 649
Samsung 1300 362 603 24/7
Sharp 1300 135 022
Soniq 1300 765 663
Sony 1300 137 669 9.00am – 5.00pm M-F
TCL 1300 738 149 9.00am – 5.30pm 7 days