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Sound problem with Standard (CRT) Televisions along with set top box

Sound is not coming in ELCOT TV. the TV is provided with Set top box. when disconnected from set top box and switched on AV mode also, only blue screen is coming, still no sound. Set top box supplier puts the issue on TV. cables are properly connected and the issue started with sound coming and going and one day fully stopped. Pls. tell me, whether the issue is in TV or in Set top box.

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  • Televison & ... Master
  • 34,217 Answers

From your description, it is likely that there has been a failure in the TV sound system.

Posted on Dec 27, 2013

6 Suggested Answers

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Posted on Jan 02, 2017

  • 236 Answers

SOURCE: no sound no picture.but when playing the x-box picture on and sound

I think your TV is in the A-V mode. The X Box is going into the TV through the A-V jacks. (AUDIO/VIDEO). You should be able to switch the set to tuner mode with the remote. Look for a button labeled input or go into the menu and look for "input". Stargazer

Posted on Sep 18, 2007

SOURCE: JVC 27" CRT TV AV-27BP3 display shows single horizontal line

I have a similar problem on my CRT computer monitor (AcerView 76c). It is an old screen and I think it is just at the end of its life, much like your TV. Having some background in physics, I would be pretty sure that the problem is with the cathode ray tube's vertical deflection system. The horizontal deflection electrodes are working while the vertical one is not. This results in a display of a single horizontal line (or in my case, a few superimposed) in the centre of the screen. Where both X and Y (horizontal and vertical) deflectors fail then the electron gun firing would result in a single bright spot in the dead-centre of the screen.

So really, we have no choice but to move on and buy a new set as repair is probably just as, if not more, expensive than replacement with a new device. Seeing as your post was in 2007, I hope you managed to solve the problem.

Best wishes,
SZ (Sydney, AUS)

Posted on Oct 05, 2008

  • 85 Answers

SOURCE: Again, I don't know how to find the AV mode.

the converter that you have will only work thru the tv cabel. If you have a s-video you can use that for the picture but you still need to use the red and white audio cables for the sound. This converter will not give you HD but it will make the picture you recieve better. The picture will play thru your TV on chanel 3 or 4 and you need to use the remote that came with it to change stations. Hope this helps.

Posted on Feb 11, 2009

Maliron
  • 12 Answers

SOURCE: tuner will not pick up cable box on channel 3, front and rear AV

In order for the TV to work with the cable box by using a piece of coax and tuning the TV to channel 3, you must make sure the TV is in "Cable" mode on the tuner and not "AIR or Antenna" the frequency maps are different between these types of service and channel 3 cable will not be the same as channel 3 on Air or UHF/VHF.

Often there is an auto program feature on TV's that will "scan" for all available channels, and this should select the proper input type.

Hope this helps!

Posted on Mar 29, 2009

bernardlunda
  • 318 Answers

SOURCE: JVC LT-Z37SX5 no sound when using hdmi connection to HD box

the tv has a configaration that conveys the sets focus on both audio and video performance. full hd resolution of 1920-1080 pixels.
hdmi inputs allow connection of the generation of 1080p sources for the systems which offer 1080p outputs

Posted on Apr 30, 2009

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1 Answer

Is it analog or digital?


If it is a standard CRT TV unit it will be analogue only. If you want it to display a picture from a digital signal you will need to buy and connect a digital set top box to the TV. The set top box then picks up the digital channels through the antenna and displays the picture on the TV set. You will need the basic connections on the back of the TV to be able to connect a set top box and many older TVs do not have them..

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1 Answer

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