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Panasonic 32" in LCD TC-32LX70

I am unable to use my Panasonic TC-32LX70 LCD TV as a monitor.  I am using a DVI to HDMI cable.  I have split the signal from my Nvidia GeForce FX 5200 video card with a DVI splitter cable to send the signal to the TV as well as my Samsung Syncmaster 906BW LCD monitor.  I have tried every concievable combination of resolution settings and sync settings that I can think of.  Also, when I turn my TV on the monitor goes blank.  When I shut the TV off the monitor comes back on but I still get nothing but a blank screen from the TV either way.  I have tried a s-video cable and was able to get a very grainy black and white image on the TV but that is the closest I have come to image on the Panasonic. No amount of setting changes gets the picture to improve.  Another note, I cannot get the video card to recognize the TV through Nvidia's software.

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Re: Panasonic 32" in LCD TC-32LX70

This sounds like the TV is not compatible at all to the display card in the computer.

Look in the TV's user book and see what the resolution is. It is also very important that the field or refresh rate is matched. Set the computer's display card to match exactly to the native mode of the TV set. This is for the resolution and the refresh rate.

Try the TV directly to the computer with the DVI to HDMI adabtor alone with no other monitor bridged in. If it works, then connect the computer monitor back up to share the feed. If the TV goes back out then you know that there is a conflict between the devices.

There is a way to do monitor sharing and each having different specs. There would be the need for an active monitor splitter with independent mode settings for each of the outputs. This is terribly expensive for home use.

In the past I have had problems with conversions between DVI and HDMI. There are a lot of complexities in the protocol for this and not every type of TV or monitor works well with this.

Jerry G.

Posted on Apr 19, 2008

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