Question about Panasonic PT-47WX49 47" Rear Projection Television

1 Answer

Tv problems the picture on my tv turned yellow and tv shut itself off.The only way tv will power back up is to unplug and plug back up then setup screen appears for about 3 secs and shuts back down.All colors seem to be on screen before shutdown, any ideas what problem could be?

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  • Robert Ashmore Mar 02, 2008

    I have the same problem with my Panasonic PT-47wx49e. Any ideas out there.

  • wursy May 11, 2010

    I tried this suggestion(Unpluging the Red/Blue/Green Plug nest) and it seemed to confirm that it is the convergence amps as you suggested. Now I just need to know how to identify these parts that need to be replaced. Any help would be greatly appretiated!!



    Thanks

    Jeff

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Unplug the three red-blue-green plugs nest to the convergence amps. If the unit powers up and stays on the picture will look bad but will confirm that the convergence amps have failed...
Replacing the amps and one or more resistors in the yoke return will restore the set to normal operation..
Use only Sanyo original Ics..
Bill

Posted on Mar 02, 2008

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When I turn on my Sony TV, ti stays on about 30 seconds then shuts off, What do you think is wrong?


Do a Power Reset.
1. Turn off TV.
2. Unplug the power cord of the TV from the electrical outlet.
3. Let the TV remain without power for 60 seconds.
4. Plug the power cord back into the electrical outlet. (If the television is plugged into a power strip or surge protector, remove it from the power strip or surge protector and plug it directly into the wall outlet. If the issue is resolved, the problem is with the power strip or surge protector and not the television.)
5. Turn on the TV.
If issue persists after doing the steps, reset the TV to factory default settings.
1. Turn on the TV.
2. Using the supplied remote, press and hold the UP arrow button.
3. While holding the UP arrow button press the POWER button on the TV itself.
4. When the TV goes off, release the POWER and UP arrow button.
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How to Fix a Polaroid LCD TV Screen


<p>A Polaroid LCD TV delivers its picture via DVD player or cable connection to your home or office. After setting up your device and using it, you might experience technical difficulties with power loss and picture quality. Navigating through a few steps of self-maintenance will have your Polaroid TV running smoothly again in little time. You can examine your TV's power cord for damage, rewire a DVD player connection, and adjust your Polaroid's backlight.<br /> Difficulty:Moderate <span>Instructions</span> <ol> <li> <ul> <li> <span></span> Turn your Polaroid around so that the back is facing you, as a first step in correcting a power loss issue. Examine the length of the power cord from the back panel of the Polaroid to the wall outlet for damage, such as tears or rips. Replace the cord, if you see damage. Unplug the TV from the wall outlet and inspect the metal receptors (prongs) for dirt. If the prongs are dirty, clean them with a dry cleaning cloth. Plug a separate electrical device into the outlet and turn it on to confirm that the outlet is performing correctly. Plug the Polaroid TV back into the outlet, and try again.<br /> </li> <li> <span></span> Twist the Polaroid TV's back panel towards you so that the connected cables and jacks are easily accessible to you. If you're experiencing problems getting a picture from your DVD player, inspect the connection of the audio/video cables to your "Composite In" jacks. There are three cables in a standard audio/video setup: a yellow cable, a red cable, and a white cable. Unplug all three cables from their jacks to reset the connection. Insert the yellow-tipped cable into the "Video" port, which is yellow-colored to make matching the cables easier. Insert the white-tipped cable into the "L" (left audio) port and the red-tipped cable into the "r" (right audio) port. Perform the same steps on the audio/video cable out ports of the DVD player, and try again.<br /> </li> <li> <span></span> Raise the TV's backlight level, if you're having trouble seeing the picture. Push the "Menu" button (located on your remote control), and the TV setup menu will appear. Use the navigation buttons located on your remote control to scroll to "Image," and push "Ok" -- located within the navigational buttons on your remote control. A list of options will be displayed, such as "Contrast," "Hue," and "Saturation." Choose "Brightness" from the options. Use the four-way navigation buttons to raise the brightness (make your screen brighter and more illuminated) or lower the brightness (make your screen darker).<br /> </li></ul> </li></ol>

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Best to first if you have not done so---UNPLUG the set for several minutes and plug back to power to see if that fixes it (it does a lot of the time especially if you had a power outage).

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1 vertical line across the screen maybe 1" tall. It appears to have the entire picture in that short little space.


tv turns its self off i unplug it plug it back in it will flash on not showing picture it u can her it flash on and right back of some times it will not flash in back of tv and i can hit power it will flash and go off every now and then it will come on show picture after being unplugged and plugged back but then shuts off

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Setup Menu will not display on TV screen


Ok, on the back of the unit, there is a single yellow composite output. There may also be a Red, green,blue.Component. Take 1 RCA cable and plug it into that yellow output, and route it into your TV input, also a yellow composite. Make sure that whatever input you put that into on the tv, that you change the TV input to that to view your player. when and if you get a picture, you should be able to get to the menu through the GOVID remote.

Later once that Path is working, you can upgrade it to the Red,. green, blue, if your TV has the inputs. You did not give a model for the TV or I could tell you what it has.

If you need any more clarification, please reply.

Best Regards,

Charles


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1 Answer

Toshiba 46H84 turning off by itself AND all BLUE screen with Black Dot in Center


Try to replug everything in the TV. Before you turn it on. make sure all plugs in the TV to the wall is plug in tight. When you turn your TV on hold the power button down to see if it resets

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1 Answer

Error Code 5 flashes when unit shuts down


Good Day;
It sounds like the TV may have a shorted CRT, picture tube, but let's trouble shoot:
1. Unplug TV from wall.
2. Remove speaker grill, two on bottom, the screws are covered with plastic caps, right and left side on bottom next to floor.
3. Remove inner panel.
4. The blue tube is the one the right side, remove socket, with phillips driver, make sure it's not touching anything.
5. Plug and turn TV back on, if picture appears with no blue it's the tube.
6. If still shuts down, bad blue CRT driver IC.
CAUTION: Call a factory authorized service dealer to give you an estimate, if this sounds too hard.
Good Luck, Day, Big Irish.

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This sounds to be a faulty flyback transformer, as it heats it gets a shorted winding and the protection circuit shuts the set down to avoid big sparks.
this is not a user solvable problem unfortunately and i would recommend taking it to an electronics repair shop and getting a quote for repair.

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