Question about Grundig GU19WDT 19 in. LCD TV

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No sound on a 21in Grundig LCD TV, both using cable tv via SCART entry or DVD using AV entry. Picture OK.

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  • Grundig Master
  • 19,396 Answers

Hi.

Using AV entry ensure that the red/white leads have been connected properly to TV Audio input. SCART is supposed to have built in sound. Test using a different scart.
Try disconnecting power cord for fifteen minutes, that will discharge internal component and reset the TV. Double check audio settings just in case.

If all that does not help, then the problem is likely the sound circuit inside TV. In this case the audio circuit is built-in the main board. Usually with the 19'' LCD TVs you need to replace the main board. Parts for this model are not available from third party distributors. In case the TV is defective, I suggest calling the Grundig number listed on your owners manual to arrange repair or to check part availability. To find contacts you can also use the 'International' tab on top of this page:Welcome to Grundig.

Regards.

Ginko.

Posted on Apr 11, 2011

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If the problem happens using different input and devices, then it is either the terminal circuit (input/output connectors) or the processing unit in main board. The terminals are unlikely the culprit if problem concerns different inputs.

I imagine that the picture is not properly B&W (gray-shades) but some kind of reddish, bluish or greenish picture as the LCD will process picture using RGB (red green blue) channels instead of CYMK (cyan yellow magenta black) like CRT TVs.

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If you find that the TV is defective call the manufacturer at the number listed on manual. If the problem is that one or more RGB channels do not work the TV main controller board must be replaced.

Regards.

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