SOURCE: my 50 inch LG tv keeps shuting off and make a
It sounds like you have a dying power supply module, that will be the first place to look, look for caps with leaking/bulging tops, some may look OK but can have high ESR (Equivalent Series Resistance), which you will need special cap meter to check that out.
If you are going to DIY and have proper tools, electronics knowledge, and know safety precaution then please read on:
Please see my basic troubleshooting guide here:
http://www.fixya.com/support/r5093881-lcd_flat_panel_tv_troubleshooting_guide
http://s807.photobucket.com/home/budm/allalbums
http://en.wikipedia.org/wiki/Capacitor_plague
Parts: www.shopjimmy.com
Please post back what you find.
SOURCE: LG LCD TV clicking on and off no picture
check the capacitor(s) and replace the power components. Easy fix if handy with soldering electronics as you may need to replace capacitor(s), hopefully not mother board. Tv repairman should charge about $75-100.00 dollars for fix ...
SOURCE: tv wont switch on, keeps clicking but takes about 5 mins switching it on.
I would have the power supply board checked
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