Television making chirping noise

Question

hi i have got a panasonic tv model no TX-28PL1 The problem is when i moved the telly from my moms to mine i plugged it in and it comes on standby mode so i press the on button on control on doing this it starts making a chirping noise.I am confident in working on tellys and soldering new parts also i have two tellys i can take parts out of.my problem is whats wrong and what do i replace and where is it located.Please could you help me with this problem much apriciated many thanks in advance