Question about Protron PLTV-37 37 in. LCD Television

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The tv was moved, turned @ a different angle in the room but at the same spot & turn it back on & its black at the bottom part of screen with one red line going up the screen, still shows all

The tv was purchased 8-21-2006 i can provide the sku # if needed for further help...

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  • Master
  • 1,238 Answers

Try to play dvd. if it is worked fine there you have cable box connection problem.

Posted on Dec 10, 2012

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Posted on Jan 02, 2017

budmrtn
  • 11361 Answers

SOURCE: we have been having problems with my Protron

Look at the power supply first since it is easier to get to, look for burnt parts, bad capacitors, etc.
http://en.wikipedia.org/wiki/Capacitor_plague
Please post back what you find.

Posted on Dec 07, 2009

electrotech1
  • 1126 Answers

SOURCE: TV does not show picture when turned on. Some

It is possible that TV processor could have some garbage it do to a small voltage surge, and if you leave your set, unplug from the wall for 40 min,. that will reset it back to normal. If thgat don'rt work then remove the back and check for a couple of bulged electrolytic caps on the power supply nthat need change, or change out the power supply.

Posted on Nov 12, 2010

  • 1 Answer

SOURCE: i have a problem can you help???

It was a cheap-o price point promotion TV, lasted three years, pitch it and buy something else to replace (not a Protron).

Posted on Jun 15, 2012

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Horizontal lines and black spot in corner of led tv


If you wish to get some details; check the site linked here. Pull up older posts.
http://electronicshelponline.blogspot.com/
Line faults & possible causes to LCD & Plasma screen are given with illustrations. You can get an idea about the fault to an extent. Faults to all LCD & Plasma screen are similar, irrespective of its brand and screen size.

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Check and replace its back-light inverter board. Contact any service technician. Gopakumar Gopalan Google

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Suddenly no picture only a black screen.The tv has power the little vizio turns on white i can hear the audio and change through the cable channels with my comcast remote.The vizio remote will turn the tv...


Look through the ventilation slits at the back of the TV with the room lights out. If you do not see white light light bleeding through the back, you have a back light failure. It could be the inverter circuit which lights up the CCFL ( cold cathode fluorescent lamp ). You will need professional help to replace it and could cost you about 70 to 100 $ to fix.

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Our TV has been perfect for many years. We now suddenly have the picture compress, if you will, to the bottom 2/3's of the television screen, and it makes an angle like a triangle going toward the bottom....


This fault sounds like failure of the LINE OUTPUT TRANSFORMER.
It can be fixed, but may cost you around $120, possibly more if you have to call out an engineer.
Best NOT to use the TV as it is, because it could possibly damage the system.
If you do use it, this line will become permanent and if you get the TV fixed later, there will always be a burnt section of the screen where the line was - so I suggest you either pay to get it fixed right away, or consider buying a replacement.

Hope this helps!

Mar 08, 2011 | Sony KV-32S42 32" TV

1 Answer

No picture


it will be the fluros which are hard to find if u can find them not many companies make them and also they are a pain to replace the whole tv has to be pulled apart

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TO GET THE DIFFRENT BETWEEN LCD VS PLASMA


LCD
LCD stands for liquid crystal display. These types of displays have been around for awhile and are commonly used with computers. One reason for their big popularity is the ability to produces a better picture than CRT monitors but also being much thinner.
Pro’s
  • Low Energy Consumption – LCD monitors use very low amounts of power. This is why it is very commonly used in battery powered devices.
  • LCD screens also reduce the amount of glare on the screen which can be very beneficial if your TV is in a room with lots of light.
  • If an image is left on the screen too long, LCD screens are less likely to experience the image being burned into the screen. If this does occur, it’s easier to repair than other types of TV’s.
Con’s
  • The viewing angle of an LCD TV is typically not as great as Plasma but the difference is not great enough to make a huge difference.
  • LCD TV’s can sometimes get dead pixels which aren’t typically covered under warranty. Although they are very small, they can become very annoying.
  • Brightness levels aren’t as great as Plasma and it’s not possible to display darks quite as dark.

Plasma
Plasma technology hasn’t been as widely used as LCD in previous years but has become very popular in large HDTV’s. Although they have historically been more expensive than LCD TV’s, they are becoming more comparable in price.
Pro’s
  • Brightness and color are the major advantages of Plasma TV’s. They produce rich colors along with very deep blacks.
  • Their wide viewing angles allow more people to be able to watch TV comfortably.
  • The pixels of Plasma TV’s are lit individually unlike LCD screens. Because of this feature, the pixels can be completely turned off to display truck black colors.
Con’s
  • The lifespan of a Plasma TV is typically shorter than other types of TV’s. The lifespan can be extended by turning down the brightness of the screen.
  • Plasma TV’s are more susceptible to screen burn-in where an image is “burnt” onto the screen when left on the screen too long such as a network logo in the bottom right corner of the screen.
  • Plasma TV’s require a panel of glass to cover it. This glass can reflect light and make it difficult to see the picture. If placed in a dark room, this typically isn’t an issue.

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My magnavox model mwc20t6 keeps turning off after 10 to 20 secs


tv was working fine however when we moved it to another room it will not power on at all even using different plug ins

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1 Answer

Black Spots


Resetting the TV
NOTE:
Some TVs have a reset button. If available and accessible, try using the reset buttons before using the steps below. Using the reset buttons can save time.
1. Unplug the TV power cord from the power outlet.
2. Unplug any connected devices (DVD, Set-top boxes, etc...)
3. Press and hold the TV power button for five seconds.
4. Plug the TV power cord back into the power outlet and turn on the TV.
5. Open the on-screen menu to confirm that the TV is responding again.
6. Turn off the TV and reconnect the devices.
7. Turn on the TV.

Hope it may help you;

Regards,
VOTIT

Sep 24, 2008 | Mitsubishi WS-55809 55" Rear Projection...

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Interference?


The picture tube on a TV can be magnitized by the Earth's magnetic field. The noise heard when you turn a TV on (usually followed by a static noise on the face on the TV) is called degauss. What this does it remove any magnetic variations on the tube due to things like the magnetic field and speakers. However, changes to the TV in orientation to the Earths magnetic field will cause the tube to have a magnetic bias. This is most prominent when turned 90 degrees. The easy way to clear this is to turn the TV off for a little while and then turn it back on. But remember that any movement once it is on can cause the discolorations to reappear. My suggestion would be to turn the tv after you've moved it to the location you'd like to view it.

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