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I have a JVC LT 32 EX 18 TV. When connecting my laptop over HDMI, playing on a playstation or WII the sound and picture work perfectly. When I want to watch normal TV over cable though the problems start arising. First, I am able to watch TV, I receive all the right programs but the picture is black and white, sometimes very fuzzy and instead of sound all I receive is a constant buzzing sound. Is there anything I can do so I can finally start watching TV?

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  • Televison & ... Master
  • 14,553 Answers

If the rear inputs work consider connection for the channels with a box using one of the rear inputs--sounds like a tuner related issue and going to the rear inputs bypasses that.

Posted on Nov 08, 2012

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Posted on Jan 02, 2017

SOURCE: No surround sound when watching TV

hdmi can only pass pcm 2.0 digital for the separate cables you may try to switch them to another output from the monitor to the receiver or if you can get your hands on a spd-if cable (one single fiberoptic cable that will go as high as 5.1 dolby surround)

Posted on Feb 01, 2008

  • 2 Answers

SOURCE: Low volume on LG HDTV

I encountered the same thing using the HDMI interface on my new TWC cable box (Motorola DCX-3200). After a little bit of research, I finally fixed it by changing the digital audio mode in the cable box using this procedure:

1. Be sure the TV is on and connected to the cable box.
2. Using the cable box remote turn power OFF.
3. Immediately press the MENU key on the remote. The USER SETTINGS menu should appear on the TV screen.
4. Select the ADDITIONAL HDMI SETTINGS >>> menu item.
5. The ADDITIONAL HDMI SETTINGS menu will appear.
6. Scroll to the AUDIO OUTPUT item and select this.
7. Change the setting from AUTO to L-PCM.
8. Return to the main page
9. Using the remote, cycle power OFF.
10. When the cable box is turned on again, you should be good to go.

I realize these instructions are specific to the DCX-3200, but there may be a similar setup option available in your cable box as well.

The problem here is that the cable box is by default configured to use Dolby Digital audio, which requires an additional 10dB of headroom to deal with the boosted LFE channel. If the cable operator hasn't taken pains to set the system up correctly (and most haven't, apparently), the digital audio level sent on the HDMI interface will be approximately 11dB down from normal analog line levels on the HDTV channels. Changing to straight linear PCM sets the TV receiver audio level on the HDTV channels to match the levels on the non-HD channels.

The only problem with this fix is that if you intend to feed a Home Theater receiver that uses Dolby Digital processing with the cable box output you will lose the Dolby encoding feature and be forced into straight 2-channel stereo. For a simple installation like mine where I'm just feeding the TV, this fix works fine. If you have a more complex setup that takes advantage of Dolby Digital features (when it's available in program material), you may have to live with the problem.

For a technical reference on why this happens, see http://www.megahz.com/specimages/Dolby/LM100%20Cable%20App%20Note%2011-05.pdf

Hope this is useful.

Posted on May 22, 2009

  • 105 Answers

SOURCE: No Picture

I am deeply sorry but you will need to replace the backlight bulbs. These are not available.

Look on Ebay for a 32" JVC with a broken LCD Screen. Buy it and use these bulbs to fix your TV. I am sure there will be a few good ones in the broken TV. It's that or list it on Ebay for $50 and expect to get about 200-300.

LCD Panel repair for this problem is $500 for parts so you are stick with repair yourself or sell.

Posted on May 27, 2009

  • 105 Answers

SOURCE: No Picture

Backlight Bulb is out.
You cannot purchase these as a spare part, you must purchase the complete backlight.
Backlight cost is more than or equal to a new TV
You may sell this TV on Ebay (list your exact symptom). Start at 100 you will get about 250. Take this money and buy a new TV.
LCD backlights don't fail often but when they do there are no part available to repair them so you get stuck buying the complete assembly part. This is more expensive than a new TV since LCD prices have dropped so much in recent years.

Posted on Jun 23, 2009

  • 1 Answer

SOURCE: Connecting Nintendo Wii to JVC television

every time im using my wii in my jvc tv i keep clicking channel the when i click the tv button on the rca remote then a code. i keep forgething the code

Posted on Dec 12, 2010

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