Question about Toshiba TN50X81 50" Rear Projection Television

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I have a TN50X81 TV with no picture on any inputs

When I turn on the tv the screen will flash white for a second and I can see what input being used and the channel the tv is on, get full sound but no picture have called for a tech but by the time he comes to the house the picture start to work again. It will work for couple of months but then it will go out again.

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There is some shorttracking which didables some components from working temporarily creating this problem.

Posted on Dec 13, 2008

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  • Toshiba Master
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Check all the cables and connection, ensure this is not just because of a broken contact in the cable.

Posted on Dec 13, 2008

  • Ginko
    Ginko Dec 13, 2008

    If the TV turns itself off completely, with no power and no led light, same as if the power cord was unplugged, then this is either a defective power cord or power adapter.

    If the TV goes on standby state and does not restart, then tv is on protect mode, and this happens when a fault is detected. This means that there is a defective component that is failing only under determined circumstances.

    If the AC networ is unstable, then that can be the cause for the TV goin off. In this case you restart the tv by leaving power cord unplugged for a while. this can also be tested by a technician.

    Call the technician the same and have the fault fixed, before the problem excalates and you get more damage to the TV set.

    If you are in case A, the technican will test power board, and easily spot and repair the fault, usually this kind of problem can be caused by a defective capacitor on power board.

    If you are in case b, it may be more difficult for the repairman to find the fault. This kind of faults are often caused by a faulty IC( for example defective convergence ICs) or a faulty component on one of the internal boards, and it is usually more difficult to locate the problem.


    If yo


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1 Answer

My 55inch LG 3D smart tv is not working properly. When you turn the tv on the LG home screen comes on for a few seconds, and then the screen goes black. What is causing this


it's set to the wrong input device ? the one you currently have it pointed to has no input

also it's possible that cable plugged into current input channel has gone bad or become disconnected from it's source
Hdmi cables are unfortunately famous for this as they have no Lock device to keep them inserted into ports

most TV's nowdays shut off if not provided an input for a few minutes

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When turned on, screen goes black, but power light stays green


It sounds that the main digital board to this TV is faulty. Contact any service technician.

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Tv has no picture


If you have lost your picture you can try a few steps. The first step would be to reset your receiver by unplugging it for ten seconds. If that does not resolve the issue, you will need to check the cable going from the receiver to the TV set. Start by making sure it's firmly connected. If the cable is a coax cable (screws on) tune the TV set to each of the following channels to see if you can get a picture: 3, 4, 60, 73 If you have a digital cable that just plugs into the receiver and the TV then you will want top cycle inputs until you receive a picture. To do this press the input or source button on the side of your TV you will see the name of the input flash at the top of the screen. Press the input button multiple times to change from one input to the next. Make sure to pause on each input for a few seconds to make sure the picture comes up. If this doesn't help you completely, please e-mail me at:Daniel.Busa@DISHNetwork.com

Daniel Busa
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1 Answer

I connected my sony DVD player to a 26" sanyo tv. I used the enclosed cable. I plugged the cable in as shown using yellow to video and red and white to audio. Selected video 1 input on tv the DVD...


If you have red, white, and yellow on both DVD and TV it should work. The DVD is obviousy an output so, check your connection on TV. You may find that if you scan through the TV's menu, you will have sound in one arae and picture in another. If you have a DVD in or AUX input on the TV try, and make sure you use the inputs for the respective setting, to hook up there and see what happens. You want input on TV.

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2 Answers

My television screen went black, but there is has sound


Make sure your tv is on the right input first of all. The newer flat panel lcds combine the componenent video (red , blue, green) with the composite video and audio (yellow, red, white). If your tv is on the component input then you hear audio from the composite input since the audio inputs (red, white) are shared. Look for a source or tv input button on your remote or the tv itself and try pressing this button unti you see a picture with sound.

Aug 15, 2009 | Televison & Video

1 Answer

Tv works jsut no pic black and white screen says weak or no signel?


If it says "weak or no signal", this means your are not showing the correct input or have no channels programmed.

To find the the correct video input:
1. turn On the device you are trying to see
2. press the [input] button on the side of the TV until you get a picture (wait 3 seconds between pressing the button)

You program the TV by accessing it in the User Menu.

Also, You may access the inputs using the TV remote. Each input button (V4 and V5) may need to be pressed muliptle time to access the picture . When you press this on the remote you will notice the input change from Composite 1, Component 1, S-Video. V5 will show composite 2 and component 2. Using the side panel allows youto scan all inputs in case you are not sure.

Jun 23, 2009 | JVC LT42P789 42 in. LCD TV

2 Answers

LG Television 37LB4D "Rebooting"


Ours is crapping out just like yours. Picture goes out, "black and white squiggles" appear in the top left of the screen then TV input appears, then it either repeats or gives me my picture back. This happens with both the HDMI slots (tested all 3) and both Component slots. Seems like the bulb or a circuit board on the TV is faulty. What a piece of ****, never spending another dime on LG products. I did get it to come back by hitting the back of the TV with a good slap, but it gets really annoying.

Jun 14, 2009 | Televison & Video

1 Answer

I am trying to connect an akai dvd player to directv, please help


ruettab,

good day. to connect your any DVD player to any TV screen always remember this color code

from DVD back part:

yellow = video out

red/blue/green( in a row) = component video out ( this can only be used for screen with component video inputs)


Black = digital audio ( rarely use unless)
Red and white (in a row) = Audio output (left and right audio)


where to connect from TV screen.

Locate where A/V INPUTS (audio/video socket) from your TV screen, you can see it either at the BACK/SIDE or somtimes in FRONT of TV screen , having marked as "AV1"AV2"AV3' .

Once you found TV input, you must first have RCA cable (color code cable to connect player to screen) then connect the RCA cable at the back of your DVD player, simply follow color code

RCA yellow marked cable = DVD yellow socket
RCA RED and WHITE marked cable = DVD RED and white socket (second row for your player)

then connect the other end of the RCA cable to TV screen, first select which input where you gonna place the DVD player ( either AV1, Av2 or Av3 if do have multiple inputs)

once decided which INPUT to connect the player.
ex. if you select AV1 as input there would be 3socket on its row (yellow/red/white)

now connect the other end of RCA cable to the screen by following the same color code:

RCA yellow cable = TV screen A/V1 input yellow socket
RCA RED and White = TV screen A/V1 input red and white socket.

cheers,
mark

Jan 31, 2009 | Akai DVD-3850S DVD Player

2 Answers

Mitsubishi VS-60607 60inch projection TV, cannot turn on


i have the same and i am having issues with the screen going dark when its suppposed to be a white screen and the picture is darker than it should be during normal watching of tv. also there is a line at the top(letterbox style) of about 1- 1 1/2 inches......anyone know how to fix this

Feb 22, 2008 | Mitsubishi VS-60707 60" Rear Projection...

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Sony KV-27TW75 Black and White Picture


this is usually due to bad ground check cable line comming into tv and
CHECK/RESOLDER CONNECTIONS IN TUNER WHERE CASING IS SOLDERED TO PCB NEAR 4TH FEED THRU BACK FROM ANTENNA INPUT

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