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Troubleshooting tv problems - Televison & Video

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If you wish to get more details, check this link. Selecting the view option, either to Mosaic / Time slide, can be selected by the drop-down list, at the top left of the display window, will make surf easy. You can also do a search, by type in the brand name/model number/IC used, in the search box at the top right of the display window.

Posted on Oct 20, 2013


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Posted on Jan 02, 2017


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Why can't I get a sound on my tv?

Hello, Marie -

Knowing the make and model of your television will help in troubleshooting your no-sound problem. You can add the information on the make and model of your TV by choosing Comment and entering the information there.

First, if you have the owner's manual for your TV check the Troubleshooting section. You may find the solution to your no-sound problem there.

Until I know the make and model of your TV, I can only recommend you look at this web page, which lists 10 reasons (and fixes) as to why there is no sound along with the TV picture:

Best wishes

Feb 18, 2018 | Televison & Video

1 Answer

Volume not working

Audio Troubleshooting 101: Getting Your A/V System ... > Home Theater Setup > Home Theater Calibration
Jul 14, 2009 - We often get flooded with emails from readers attempting to troubleshoot why their home theater systems no longer work correctly.

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How to troubleshoot low sound or no audio from the ... - SONY
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Jan 20, 2016 | Audio Players & Recorders

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TV does not turn on. Power on light code is 2 long and 5 short flashes. I replaced the power board, main board and the T-con board and the problem still Exsist.

Jan 19, 2016 | Televison & Video

1 Answer

Plasma tv troubleshooting

What is the problem you faces with your TV? To get more details, Screen-shots of defective plasma TVs' and troubleshooting table are given.

Nov 16, 2013 | Samsung Televison & Video

1 Answer

Olevia HD tv with no signal. Tried troubleshooting with cable provider, no results. Help!

If this is a problem you had while continuously using the same cable TV and provider, check whether the TV works well with any other input device. Look for any loose contacts in RC Jack, cable and connectors.

Aug 22, 2012 | Televison & Video

1 Answer

My Toshiba RD-85DTSB has recently developed a buzzing both during playback of programmes recorded before the problem developed, or just when you are watching the TV through the DVD recorder. It is not the...


Ensure that ur AV cord is plugged in properly into the Audio Video outlet on the back of your tv.If this does not solve the problem then the buzzing sound u hear is that of theFBT-the Highvoltage Flyback Transformer 100% already dead also other possible components on the Highvoltage Deflection circuitries are dead too.

The TV must be troubleshoot by a qualify tv Tech.This tv is not going to be cheap to troubleshoot and repair by a Tv tech.The FBT alone replacement alone,will cost u like $200 already

Jun 28, 2011 | Televison & Video

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No sound on tv at all


there are so many reasons why your TV won't bring out sound. You need to troubleshoot first, in order to get to the root of the problem, before a solution can be proffered.

First, connect a DVD player to the TV, observe if there is going to be sound. If there is still no sound after connecting the DVD player to the TV, proceed to the next step. "The reason why I asked you to connect a DVD player to the TV is to confirm if the problem is simply not from the audio cord connected to the TV."

Second, get an headset, connect it to the earphone jack of the TV and observe if there is going to be sound. If there is no sound, then it is glaring now that your TV is having a defective sound card/IC that's why it is not bring out any sound. (Note that connecting an headset to your TV is optional because not all TV's has a space for headset). "The reason why I asked you to connect an headset to the TV is to also confirm if problem is not from the TV speaker. Though TV speaker problems are rare but sometimes, the TV speaker might be defective or the speaker wires may have loosed contact or cut into two, due to one reason or the other. But if the headset doesn't bring out any sound from the TV, then it is not so."

If none of the above seems not to be the cause of the problem, then the above troubleshooting has confirmed that the TV has got a defective sound card/ic. The sound IC/card of the TV has to be replaced for the TV to bring out sound again.

To be honest with you, replacing or fixing the sound card/ic of your TV requires the ability or experience to do so.

Now, if you are convinced you can fix or replace this yourself, please reply so that i can help you further. And make sure you troubleshoot first, before getting back to me.

Yours sincerely.


May 29, 2011 | Televison & Video

2 Answers

Troubleshoot plasma tv problem This morning the tv

The image processor, more precisely its buffer memory, has died. You must replace the entire mainboard.

Sep 18, 2010 | LG 50PX1D 50 in. Plasma Television

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My colors are extremely messed up... they are very dull! Blues and greens look the same and purple looks black just an example.

  1. 1 Consult your TV's troubleshooting guide. Follow its recommended steps. Most problems can be fixed by troubleshooting.
  2. 2 Diagnose what's wrong with your TV. There are many TV repair tip websites on the Internet you can consult, like the "Notes on the Troubleshooting and Repair of Television Sets" website (see Resources below). Or, try asking a TV repair question on an online message board like (see Resources below). You can also find books on troubleshooting projection TV's. Check your local library or bookstore for a book like "Complete Projection TV Troubleshooting and Repair."
  3. 3 Get your TV's service manual to find a diagram of your TV's circuits. You can get a service manual through a retailer that sells your TV brand or through an online store like (see Resources below).
  4. 4 Gather the necessary tools. For most projections TVs you'll need a Phillips head and a flathead screwdriver to remove the back shell. You may also need a digital multimeter to test the circuits.
  5. 5 Know the common problems and fixes for a projection TV. Below are a few common problems that people come across when a projection TV goes on the fritz.
    • Blurred, snowy picture: Turn on your projection TV and wiggle the coax cable from your cable box or antenna where it connects to the TV. If the picture fluctuates, you know that you have a loose connection, or that the coax cable is bad.
    • Blotches of color on the screen: Caused when your projection TV becomes magnetized. Use a strong magnetic coil and make circular motions around your projection TV screen starting on the upper left corner. Increase the size of the circles you're making until you've covered the entire screen. Slowly move away from the screen; continuing to make circular motions with the magnet. When the magnet loses contact, the color blotches should be gone.
    • TV shuts off randomly: It's usually caused by overheating. Remove any heat-emitting objects or anything that may be insulating the TV and causing it to overheat.
    • Speaker emits static: Follow the remaining steps to replace a speaker.
  6. 6 Unplug your TV's power cord from the electrical outlet and disconnect any peripheral devices like a DVD player or cable box. Place your television screen-down on a soft surface.
  7. 7 Remove the screws that connect the back shell to the rest of the TV. Then pull the shell up and off the TV carefully. Set it aside.
  8. 8 Consult your TV's service manual to find the part that you need to replace or repair.
  9. 9 Place the shell back on the TV once your repairs are finished. Replace each screw to secure the shell to the TV.
  10. 10 Plug your power cord back into the electrical outlet and test your TV. If your repairs weren't successful, it may be time to consult a professional.
Hope this helps, give me thumbs!

Aug 23, 2010 | Philips 60PP9352 60" Rear Projection...

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