Question about JVC HD-52G787 52" Projection Television

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Volume does not work

The volume controls on both the cable and tv remote have suddenly stopped working properly, only working sporadically. The controls on the tv itself work fine. Any ideas?

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Check for loose solder and the system ic

Posted on Jul 17, 2009

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Volume keeps going down


This is a problem with the sound select board, and there is no real solution. One thing to try is to press the manual volume up or down buttons on the side of the TV and keep them depressed to see of remote volume control is restored. This over rides the volume creep issue. I solved this by shorting the UP control to ground and the creep went away, but there is no manual volume control any more, but the remote still works.

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I'm assuming you have a cable converter box (set-top box) that you have hooked to your receiver. Check the box volume using the cable company's remote control. These boxes frequently have variable audio output, and if you turn the volume down on the box you'll have the symptom you're describing. When you press the volume up or down buttons on the remote, you'll usually see a volume bar on the TV screen. As you raise the volume, there may be a point marked by an arrow, which is where you should set the volume. On some boxes, when you get to a certain level the words "best stereo" appear, and that's where to set it. If your box doesn't have some indication like this just leave the volume set 3/4 or full up. Then the volume on the receiver should function properly with the cable TV input.

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SO YOU JUST GOT A NEW TV ...BUT...THE VOLUME CONTROL IS NOT WORKING FROM YOUR CABLE BOX.

EASY! BRING UP THE IMAGE OF YOUR REMOTE FOR
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IF IT'S A UNIVERSAL REMOTE, CLICK SETUP (TWO BLINKING LIGHTS) TYPE 993, AND HIT CABLE BUTTON.

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Check the remote control for its infrared emission. Check it with fresh batteries. Check it by pressing all the keys. You can detect the presence of infra-red emission from the remote control, using a cell-phone camera. If you wish to get more details about how to check a remote control, please visit this site. One among the posts has details about it. In some cases, the remote control might need to clean.
http://electronicshelponline.blogspot.com/
http://remotesearch.blogspot.com/
Search the site by type in this key phrase "how to test a remote control "in the "search box at the top right of the display window of the Homepage" to get the related post quickly.
https://youtu.be/wUpnETSm6_k
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https://www.youtube.com/watch?v=Qp-l1uh-5gE [open and clean]


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