I'm trying to fix my dad's Olivia 32 inch LCD hdtv cause when I turn it on no picture just black white and blue colors and a burning smell inside the tv can please help
Blue white colors and black spots on side corners of the screen also a burning smell coming from inside of the back tv
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www.youtube.com/watch?v=PWoz_-3OHIMJan 25, 2013 - Uploaded by Tampatec
I have a LG 42PM4700-UB plasma tv that just went black. The red power .... I have a RCA 32 inch it has no sound or picture !Just a light blue ...
If your tv has a custom settings area, first turn all color down on set so picture looks black and white. Now in color settings look for red blue and green color bars. Use the bars until the picture looks as true to black and white as possible. Also, try changing color temp.
This problems are a very tipical of the coded pixels on the LCD screen panel passes through the board that call the T-CON decoder board to causing this problems.Vertical colors lines display on the LCD screen panel happen by itself.Yes.The T-CON decodering board it is dying and shorting out.This T-CON decodering board sit in the middle at the botton of the LCD screen panel.Replacing this T-CON decodering board will solved this problems,if does not the LCD screen panel itself it is shorting out,than the tv it is not worth fixing,because changing the whole LCD screen panel itself it is not practical and the cost will be the same as a new tv itself.Tries websites like Shopjimmy.com,Ebay.com to buy a refurbish T-CON decodering board for the replacement.
Maybe if you are using component input wires, one is not inserted fully. Set color to max and put tint in the center, then flip channels and look for known solid colors items of red, blue and green. You can see when one is missing, as a mixed color will just look odd, but a true r,b or g will just not be there so to speak. Hopefully is might just be a feed wire in, but be careful, as too much pressure on insertion can crack a solder joint inside the set.
Look in the venting grills to see if you can see any white lights inside, if you do not, then the backlight inverter board may have gone out or the power supply feeding the inverter board may ahve gone out.
If you do see the lights inside, then the problem can be in the video processor section on the main board.
THe most likely cause for this problem is bad connection of the cable connecting the main TV board with the LCD controller. It's called LVDS cable and is hard to miss, usually fat round and black, connecting a board from the chasis with a little board in the top center of the LCD assembly.
I'd open the TV and gently try and reattach the cable to see if that yields any results. You can try it a few times, in fact I'd do it while the TV is open and working so I can better see if adjusting it makes a difference.
There's also a chance that the LCD logic itself got burned and misses on one of the colors. But I don't remember ever seeing that.
I have a RCA flat screen television and my dvd player when hooked up is in black and white. How would i fix this and if so plz be more specific then these other people.
It sounds like the circuit board is arching over somewhere. It could be as simply as cleaning and digging out the carbon mark to stop the arching. This is most likely the screen or focus voltage causing this, if there are no parts that have broken down. This will damage the printed circuit board and make things worse the more you let this cook. This could be dangerous for you to mess with because of the high voltage present, so my best advise would be to get this into the repair shop as soon as possible before this board burns up. It should not cost all that much if the CRT board can be repaired. Good Luck
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