Question about LG 42PC1DA 42 in. Plasma HDTV

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Intermittent loss of audio single

Problem is intermittent. Happens when changing channels on HD PVR. Have checked HDMI and PVR; have had PVR replaced by cable provider -- still having problems. Expect it is tv but unsure how or why.

problem occurs randomly and without warning. sometimes tv will be fine and then simply drop audio. matters not whether it's a recording from PVR or live tv.

Sometimes, audio loses channel and becomes mono as opposed to stereo or surround sound. No external entertainment system used for tv audio.

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  • charliebois Apr 22, 2009

    this solution didn't work as my audio section doesn't have an SAP on/off setting. tv is lg 42 lcd, not plasma. any other ideas?

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  • LG Master
  • 1,779 Answers

Go into your Audio section of the Menu and make sure that SAP is turned OFF. Let me know how you did.

Posted on Apr 21, 2009

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1 Answer

You have to turn up the volume to 38+ in order to hear the TV, when you use to be able to hear it at 10, is there a control board that goes out and what Is the name of it?


Hi Geoff, I hope I can help you with this. If you are using an accessory device (DVD, DVR) check cables to see that they are secure and if device has audio out option that it is set correctly. Also check to see that Video and Audio cables are connected to matching inputs on your set.
If you are using DVI to HDMI you will need to use a separate digital audio cable. DVI cables do not carry audio signal. After attaching the audio cable if you still do not hear sound you may need to set Digital Audio In. To do so:
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http://electronicshelponline.blogspot.com/
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"Signal loss" is indicated WHERE? So what's going on upstream at the source? ITS cables are a part of this.

My $.02... I never route any signal unnecessarily to or through a device that doesn't enhance or consume it. Hence, my BEST video from each of my several video sources goes directly to my TV/monitor and my BEST digital audio from all sources goes directly to my AVR.

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