Sanyo DP50747 50 in. Plasma TV Logo
Posted on Feb 25, 2010
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Problem using Audio 3 sound inputs for HDMI video

I have a Sanyo DP50747 50'' Plasma TV.

I hooked my computer up to the TV via DVI to HDMI. This part works great.

The problem is trying to get audio to work.The manual says that if I want to get audio for the HDMI, I need to hook the component cables from my PC to the Video 3 audio inputs.

When doing this, I get no sound on the HMDI1 channel. The sound does, however, work when I change the channel to video 3.

I called sanyo support. I rebooted the PC, rebooted the TV, but still cannot get the Video3 sound to work on the HDMI1 channel. The Tech also instructed me to set the TV to factory defaults. None of this worked.

He ended the phone call by saying that the problem was on the PC side, and that I need to change my speaker mode on the PC from PC speakers to Line out.

This makes no sense. Currently using windows 7 ultimate, and I cannot for the life of me see where I can change this "setting". Also, the sound does work on video 1-3, so I know that the cable is good and that it is getting the signal through, so I just don't understand why it would work on all the other inputs, but not this one.

1 Answer

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  • Posted on Dec 03, 2010
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Normally this problem is simply a matter of selecting the correct default audio playback device in the Windows control panel (sound option).
Check the Playback tab and set the default device to either DVI or HDMI.
http://pcaudiohelp.com/fix-hmdi-sound-to-tv

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I hope I've provided you useful assistance and that this information allows you to make an informed decision as to how to proceed from here. Please be sure to vote on my response. I hope I've earned a good rating from you today.

Please post a comment if you need additional assistance so that I can help you further.

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Help

Step 1
Shutdown your computer and look at the rear of the case to determine the type of video connections that your machine has. Nearly all computers will have the standard 15-pin VGA output port. In addition, you may also find that your computer has an S-video port, an RCA composite video port, a set of three component RCA video outputs or perhaps even an HDMI output port.
Step 2Determine the types of video inputs that are available on your plasma TV. There should be a standard RCA composite input, a three-jack RCA component input and an S-video input. In addition, you may also find a 15-pin VGA input, a DVI input or an HDMI input. Step 3 Select which type of connection you will use. HDMI and DVI represent the highest-quality connections, followed by VGA, Component, S-video, and composite. If your computer has only a VGA output and you will not using it solely to drive the plasma TV, you may want to invest in a video card upgrade. Most new video cards will offer dual monitor connections and possibly a separate TV connection. The first monitor connection is intended for the main computer monitor, and the second monitor connection, or the TV output, can be used for either a second monitor or a TV. Depending on the card, the TV output may be DVI, HDMI, component, S-video or composite. Step 4Purchase a video cable long enough to reach from your PC’s video output to your plasma TV. If the distance is over ten feet, you may want to invest in high-quality cables to ensure that the plasma TV receives a clean signal for the best possible picture. Cables over thirty feet in length, depending on the connection type, may result in poor video performance. Step 5Set your computer’s screen resolution to something that your plasma TV can accept, using the “Display” settings in the “Control Panel” in Windows. Refer to the owner’s manual of your plasma TV for the supported resolution and refresh rate. If you are using the S-video, composite or component outputs on your computer, this step may not be necessary. Step 6Connect your PC to your plasma TV using the appropriate cable. Start the computer up and it should recognize the attached display. In the “Display” settings, you will need to configure how the plasma TV is used if it is attached a second display. Most video cards support “Clone” or “Mirror” mode, which displays the same content on both displays. In addition, there is the “Extended” mode, where the second display will operate independently, and windows can be dragged from one screen to the other. If your plasma TV is the only monitor for the computer, you will not to configure the multiple display modes. Step 7Connect a cable from the sound output of your PC to your plasma TV using the appropriate audio adapters. Then relax on the couch and enjoy your videos on the big screen.
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