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Andries Posted on Aug 02, 2017
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I have a 39" AIM television that is almost 3 years old. While watching tv sometimes the screen goes blank (blue) and back on again almost like it restarts? It started about 2 weeks ago

1 Answer

kj henriksen

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  • Expert 194 Answers
  • Posted on Aug 02, 2017
kj henriksen
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Either the t-con board or main power board

5 Related Answers

Anonymous

  • 579 Answers
  • Posted on Feb 12, 2008

SOURCE: ESA 42 Plasma picture problem

The power supply is having difficulty. The typical cause is underated electrolytic capacitors. I would examine all the caps (round cylindrical cans) in the power supply and see if any of them are bulged. Not a bad idea to just replace all of them with better rated parts.
These type of caps have all kinds of specs. Not just voltage and capacity, but also temperature, case size, and obtuse stuff like dissipation factor. Most all power supplies use switching type designs that run at serious frequencies (not the old 60 hz - more like 50khz) that stress out these electrolytic caps and many circuit designers (or their cheap bosses) don't specify the better parts. Replace them with the same capacitance, but higher voltage, and higher temp parts (hopefully they will not be too big physically).
Ya, I know you paid $$$ for this TV and they scrimped on cheap parts. Yup, the more expensive a product is, the more pressure the bean counters put on keeping the price down.
Hope Ya Fix It.

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Anonymous

  • 822 Answers
  • Posted on May 28, 2009

SOURCE: I have a 32

i know your problem. its an inverter loose connection from CCFL to inverter output. back of your LCD inside the TV. try to remove and re-connect again. be sure no power and AC is unplugged. [email protected]

Samson Ved

  • 194 Answers
  • Posted on Sep 16, 2009

SOURCE: Laptop screen goes blank randomly

Hi you can try this in Vista

  1. Click Start, and then type cmd in the Start Search box.
  2. In the search results list, right-click Command Prompt or Cmd, and then click Run as Administrator on the pop up contextual menu.
  3. If you are prompted by User Account Control for permission, click Continue.
  4. At the command prompt, type the following command, and then press ENTER: powercfg.exe -h off
  5. Type exit, and then press ENTER.
Windows Xp;
Click Start, click Control Panel, click Performance and Maintenance, and then click Power Options. click the Hibernate tab and unckeck the box and turnoff monitor should be never

David Low

  • 458 Answers
  • Posted on Dec 19, 2009

SOURCE: 3 year old 42in LG LCD TV scrren went blank

You will either have a fault with the inverter board which drives the backlights or a faulty backlight in the screen. If the problem is a backlight then a replacement screen is the only cure. One or the other is breaking down after it has been opn for a certain period of time, have an engineer call out & check with a tester if it is a screen problem.

Anonymous

  • 1194 Answers
  • Posted on Mar 15, 2010

SOURCE: I was watching the tv, when the screen went blank

Hi,
Most probably, Electrolytic condenser in the Power supply to display circuit may have punctured resulting in smoke coming out. Take tv to service centre. There is no other option.
Good luck.
Rating the solution is highly appreciated.

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Philips 52'' hdtv 1080p while watching it looses picture but still has sound

The back light inveterate board and CCFL lamps should be checked. Check and replace the faulty component. Back light inverter can only be replaced as card basis.
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Monitor goes black - green light stays on

My screen is black, why do I not have a picture?
Answer Antenna is not hooked up to television.
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Problem is caused by television broadcast
  1. Push 'INFO' button.
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If you are using an accessory device (DVD, DVR, or VCR), be sure the device is on and running.
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Answer
  • Make sure the cable is well connected .
  • To check which connection is selected, Press the i+ button on the remote control.
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    • Make sure the HDMI output of the accessory is valid by changing the video output resolution to a resolution which the TV can handle.
  2. When you see a blank screen and the i+ display shows a video resolution indication then the connection is correct.
    • The blank screen is caused by the accessory device and not by the TV.
    • To detect and remedy the problem caused by the accessory device, check the instruction manual of this device.
  3. If the problem remains : reselect the HDMI external source input by changing to the other HDMI input and back to the connected HDMI :
    1. Press AV on the remote
    2. Press up and then ok
    3. Press AV again
    4. Press down and ok
    5. The compatibility check process between TV and accessory device will start over again.
  4. Reset (switch off and back on) the TV and also reset the accessory device.
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HI, I have a 42 toshiba regza tv that is 3 years old when watching tv the screen goes blank and the sound is still there i power it off then back on and the picture is fine. Somtimes wont happen for days...

If you are using a hdmi cable take it off and switch to component cables if the problem goes away keep it that way. Sometimes the hdmi hookups have bugs like this.
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3 year old 42in LG LCD TV scrren went blank

You will either have a fault with the inverter board which drives the backlights or a faulty backlight in the screen. If the problem is a backlight then a replacement screen is the only cure. One or the other is breaking down after it has been opn for a certain period of time, have an engineer call out & check with a tester if it is a screen problem.
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