When screen is black it's easy to tell backlight is working...nothing else will show up including menu or on-screen input indicator. Sometimes when the power off/on cycle occurs the screen will initially flicker for a few seconds before settling in. Once screen comes on picture is excellent as always.
Depending on your enegy, on home, if is variable or steady 110V
you can check these on your TV, but safety first, or seek a qualify tech:
1) bad capacitor for power module **
2) bad inverter board or capacitors burn.
good luck!
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additional note...no blinking lights with power off, when on green light is steady on
Finally got the TV where I could remove back cover and for the life of me I can't see any distorted caps or any indications of excess heat on any of the boards. The TV did finally fail...wouldn't come on initially and then when it finally did just lines going across entire screen. I'm willing to just order a replacement board if I knew which one??? :(
Hello ikpeck , If you get the manual, or model or serial number to any technical tv store, they may help you with these, as I can say, it is a power capacitor issue, or inverter video board. but for be sure, I suggest to visit your local TV tech store. remember its your money! :)
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