Easy touch 42inch lcd tv black screen

SOURCE: No picture

try chicking the horizontal section or vedio section...

SOURCE: Power issue with Olevia LT23

this is bull do...The same thing happens with my TV I Have the Olevia 23" and the power will not turn on.
$700 shot, who cares about the rebate when it works on a short while...

SOURCE: LCD TV won't turn on, Screen and Standby light blink

I had a similar problem which I have partially solved. The power light flashing could be due to a shorted electrolytic on the power supply board but in my case it was a shorted IC on the main board, the one with the input connectors. The IC marked 7001 shorted and got hot enough to melt the plastic. Replaced it with a new one from Mouser. The supply measured on the end of inductor 5001 farthest from the IC reads 12V now. This is a surface mount part and has a pad on the bottom that may be soldered to a pad under it. I had to cut the IC apart carefully with a Dremel cutoff wheel to remove it. That fixed the problem with the light and the remote now turns the TV on and off so the logic is working.

I now have the problem of the backlight not turning on. The driver board, the ones with the transformers, are made by Intechwave, the only info I can find is here: http://www.peopleworks.co.kr/kor/product/product_list.php?intDivision=4&intClass1=16&intClass2=41

This a 45kHz RF driver and it is not starting. If I can figure out why I'll post it for all the people who reported slow or no turn on of the backlight. These boards should have 24V between the red wires on the connectors and ground, as mine do.

SOURCE: LG LCD 37'' standby problem

if you want i will buy the tv from you

SOURCE: Power on problem for My Syntax Olevia LCD TV 23"

I have a 24" Olevia LCD TV. Same symptoms (Stdby LED is on, press power and it flashes off, then back on). The USB cable to the Service Port also worked. But being of sound technical mind, I figured this means that the PC is supplying the +5v to the circuit. What I did was disassebled the TV, carefully disconnected all the cables, and opened it up to reveal the circuitry. I looked over the circuit and noticed the 1000uf/16v capacitor at position CS21 was failed and bulging. I removed the cap, tested it and verified that it was indeed failed. I went to a local Radio Shack and picked up a 1000uf/35v electrolytic, after all, the value is what mainly matters as long as it's not lower voltage than the original. I replaced the new CS21 capacitor back in the circuit (it is polarity sensitive, so pay attention to what the original mounting position is). I reassembled the TV and Viola! Works! No need for the USB cable to the Service Port!

I hope this helps someone!

-Matt