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Sounding turn my new tv on and I hear loudly....POWER ON I turn it off and hear POWER ON....sup?

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I have a panasonic pt-56lcx16 and it needed the bulb replaced, i got a new one and installed it. I turned on the power button on the tv, then it makes a electricity sound where the bulb is but doesnt come...


If the electricity sound was loud and static sounding then you had a short with arcing which is not good and you blew a board or the socket that the bulb went into. Check that there is current at the bulb fitting.

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I don't have a solution but I have the same problem. This could have been my post. Did you fix it? Once power comes on picture is great.

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TV will not power on.


I guess your TV is DLP.
Please notice the follow symthoms:
When you on TV, did you hear some strange noise from the back of the TV. If yes, the color wheel needs replacing.
If no, check the lamp. Take a look to bottom of lamp, you will see white pot or sometime a pop up there due to lamp cycle is going to end. When changing lamp, check the ballast and power sup, too. If you see caps are poping up. Pull out those board and replace the poped caps.

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1 Answer

Samsung LN-T2632H won't turn on.


Follow these steps to figure out what problem is.
When you turn on TV, look at the back and see if the back light on. If it is on, the power supply and inverter work fine. The suspection now is main board and T-con board (the small board on the middle-top of the panel)
To find the problem from the main board or not. Look at the power supply and measure Vs on - turn on the TV, this approx 5 vlt DC needs constant once you turn on the TV. If it is drop or unstable - main board problem - replace it.
If Vs on is good - disconnect the T-con cable from the power sup. If power sup stop clicking - T-con need replacing. Hope it help.

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1 Answer

LG 50px4dr plasma tv turns off immediately after turning on. There is a red light that comes on rather than a green light.


The problem could come from the power supply at the first suspected one. If you have a knowledge of trouble shooting, open the cover then examine if any caps there look poping up. Use your finger touch on the top of caps you will feel it. If not, check all the fuses there then disconnect all the cables from power sup to other boards, except the main board. Check Va and Vs according to the label attached on the back of panel. If the power sup shut down, replace it with a new one. Hope it helps.

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Emachine t6532 motherboard issue???


Is your new SUP has the same specs with the old SUP? like voltage output, WATTS etc....

Usually motherboards have a led light in it that will light up when its connected on SUP.

regarding the wire placements for power and led connectors, you can view it in your users manual.

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wha is the make and model of your set

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1 Answer

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Try rear wheel bearings. The cause a roaring noise that increases with acceleration. Sounds very similar to loud road noise.

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