Currently Being ModeratedJun 1, 2012 10:58 AM (in response to AntP707)
Which model iMac do you have? If you have an Intel iMac, you should post over in that forum area.
http://docs.info.apple.com/article.html?artnum=301724-en How to identify your iMac
http://support.apple.com/kb/HT1758 How to identify iMac (Mid 2007) and later models
Read the TV user manual or call the TV manufacturer tech support. The newer models have instructions & tell you what cables are needed to connect a computer to a TV.iMac G5 w/iSight and Remote, Mac OS X (10.4.11)