Hi, when I switch the TV on the screen flickers very fast like a disco light shimmering, hard too watch, as if something warming up, after about 3 minuets settles down and all OK, been doing this for about a week now, Tevion32" LCD model number 3221TS, thanks for any help.
Regards.

boyo, January 2016

http://www.fixya.com/support/t15494593-tevion_32_inch_lcd_model_lcd3210id

Best I can offer. You could always try AVForums, January 2016