TV is in standby mode. When we turn it on the indicator light on the front alternates between red and green. TV comes on anywhere from 30 seconds to 3 days later
SOURCE: LG 37LF65 LCD TV BLINKS 3 GREEN THEN 1 RED THEN TURNS OFF.
Here's a link to the service manual for a slightly larger LG LCD TV. Perhaps it may be of some help? The troubleshooting section appears to be the same for many models of LG TVs...
http://www.observations.biz/MANUALS/LG_LCDTV/42LF66.pdf
SOURCE: LG 26LG30 screen suddently went blank. Light flashing blue/red
There are two places to look for the problems, the backlight inverter board and the power supply. Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.
SOURCE: Tv turns on green light blinks three times then TV turns off
Ur power supply board is dead.Tries websites Shopjimmy.com,Ebay.com to buy a refurbish power supply board for the replacement.
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