20 Most Recent LG 47LG60 LCD TV Questions & Answers

You really don't other then sending it in. The cold cathode tubes for the back light causes an expansion and contraction do to heat between the LCD glass and these little IC ribbons that lay between the LCD glass and the signal processor's main board. The reason why they get worse when you turn it off is because the colder temperatures make the ribbon cables contract off the LCD's glass pane. There is not a convenient or easy fix for this at all.

If you wish to get some details; check the site linked here. Pull up older posts. Surf the site with patience. http://electronicshelponline.blogspot.com/ Line, faults & possible causes to LCD screen are given with illustrations. You can get an idea about the fault to an extent.

These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit stage inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power led, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating, to many popular brand TVs and other devices. Viewing it in "Mosaic" will make surf easy. http://electronicshelponline.blogspot.com/ Blinking codes details to many popular brand TVs are given

It sounds like when your Power Supply went bad, it also took out your Control Board...

try to reset all connectors from main board and t-con board.

I would suspect a problem with either the inverter circuit, or 24vdc circuit. I would start with checking the power supply capacitors. Look for any with bulging tops. Research shows your set is from the 2008 era, many sets from that time were built with cheap Taiwanese capacitors. I've repaired quite a few of the older LG LCD with your same problem. They all had faulty capacitors in the power supply.

select source in menu then tune channels