Question about Samsung HCN4226W 42" Rear Projection HDTV-Ready Television

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DVI / HDMI problem

I recently connected my TV (Samsung HCN4226W) to my cable box (Scientific Atlanta-Explorer 8300HD)using a CVI/HDMI cable and it works fine until you shut it off and turn it back on. When the set comes back on a messahe displays "DVI signal can not be found". While the set is on, I unplug the 24 pin DVI connector form the back of the TV and plug it back in and the set works fine. It appears that when the set first comes on, it doesn't see the DVI signal until it is unpluged and repluged. I verified all of the connections and they are correct. Is there a programing step that I missed? Thanks for your help jegunz

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This problem is almost certainly on the 8300HD side of your setup. URL for the 8300HD, just in case you need it: --> http://www.scientificatlanta.com/products/consumers/userguidepdfs/4013171.pdf Dittos for the TV, just in case: --> http://www.samsung.com/us/support/download/supportDownDetail.do?group=televisions&type=televisions&subtype=dlptv&model_nm=HCN4226W&mType=UM&dType=D&vType=L&cttID=37697 You're using the HDMI-to-DVI cable to connect, and I see that the manual warns on the bottom of page 11 that some DVI connected HDTVs are incompatible to the signals that are output by the HDMI interface. First thing to try - when you change the settings in the 8300HD, in the "General Settings > Audio", see if you have this problem with all of the possible selections, or if it's only with the "Dolby Digital" setting. Since the HDMI also contains the audio signal, it may be interfering with the DVI recognition in the TV. OR - See if you still have this problem when turning the TV on first, then the 8300HD. Or vice-versa. The power-on order of the two devices may make a difference. OR - With the TV on and with the 8300HD off, press the GUIDE and INFO buttons at the same time. Using the on-screen menu, verify that it is set to HD mode. Press the POWER button on the 8300HD when finished. OR - Replace the HDMI-to-DVI cable with a PrPbY/V component cable, available at Radio Shack, Best Buy and other electronics stores. One of these options should solve the problem. If not, you'll have to start sending e-mails to Sci-Atl and Samsung. Hope this helps! ;)

Posted on Aug 06, 2007

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