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<blockquote data-quote="Stevenw" data-source="post: 1194976" data-attributes="member: 150982">The KWorld UB435-Q V1-3 tuners work fine in TotalMedia, Hypermedia Center and TiVme on Windows; also in Kaffeine and MythTV on Linux.These tuners work fine with ATSC (North America) over-the-air channels (8VSB) in MediaPortal, Next PVR and Windows Media Center.They do NOT work with &quot;clear QAM&quot; cable tv channels (QAM256) in these programs.THE PROBLEM:Quoting NRivera637, &quot;This tuner presents itself as an ATSC/QAM tuner. Each tuner thinks it's an ATSC/QAM tuner, runs as an ATSC tunerbut searches for DVB-C frequencies. There is no DVB-C in North America therefore nothing will ever be found.&quot;THE SOLUTION:Create a DVB-C file containing ATSC frequencies!This fix should work with V1, V2 and possibly V3 tuners.I copied the frequencies from the&nbsp; C:\ProgramData\Team MediaPortal\MediaPortal TV Server\TuningParameters\atsc\QAM Standard.xmlfile into one of the&nbsp; \dvbc&nbsp; files (using it as a pattern and removing the extra entries of course).MediaPortal scans my channels just fine!!!I have Frontier (formerly Verizon FiOS) in the Tampa Bay area.NOTE: If I understand this correctly, this should work for any cable company in the USA because they all use these QAM256 frequencies.I used the ATSC frequencies from &quot;QAM Standard&quot;.&nbsp; If you have &quot;QAM Std Alternative&quot;, &quot;QAM HRC&quot;, &quot;QAM HRC+3&quot; or &quot;QAM IRC&quot;channels you will have to make a separate file for the one you need using these same frequencies.1. Install MediaPortal.2. Copy the &quot;USA.QAM Standard.xml&quot; file into:&nbsp; C:\ProgramData\Team MediaPortal\MediaPortal TV Server\TuningParameters\dvbc3. Run the &quot;MediaPortal TV-Server Configuration&quot;.&nbsp; Under &quot;TV Servers&quot;, select the &quot;DVB-C Tuner for Windows Media Center&quot;, NOT the &quot;ATSC BDA 2870 TVTuner&quot;.&nbsp; On the right side select &quot;USA&quot; and &quot;QAM Standard&quot;.&nbsp; Click &quot;Scan for channels&quot;....The idea for this solution came from the .PDF file above, and from &quot;mm1352000&quot; in these threads:<a href="https://forum.team-mediaportal.com/threads/kworld-ub435-q-nemesis-long-unresolved-issue.121449/page-2" target="_blank">https://forum.team-mediaportal.com/threads/kworld-ub435-q-nemesis-long-unresolved-issue.121449/page-2</a><a href="https://forum.team-mediaportal.com/threads/comcast-atsc-tuning-frequencies-houstn-texas-same-as-brighthouse-orlando-florida.125095/" target="_blank">https://forum.team-mediaportal.com/threads/comcast-atsc-tuning-frequencies-houstn-texas-same-as-brighthouse-orlando-florida.125095/</a>My Next PVR fix is in this thread:<a href="http://forums.nextpvr.com/showthread.php?58589-Kworld-ub435-q-tuner-fix!&amp;highlight=ub435-q" target="_blank">http://forums.nextpvr.com/showthread.php?58589-Kworld-ub435-q-tuner-fix!&amp;highlight=ub435-q</a>My Windows Media Center fix is also attached!</blockquote>

[QUOTE="Stevenw, post: 1194976, member: 150982"] The KWorld UB435-Q V1-3 tuners work fine in TotalMedia, Hypermedia Center and TiVme on Windows; also in Kaffeine and MythTV on Linux. These tuners work fine with ATSC (North America) over-the-air channels (8VSB) in MediaPortal, Next PVR and Windows Media Center. They do NOT work with "clear QAM" cable tv channels (QAM256) in these programs. [B][U]THE PROBLEM:[/U][/B] Quoting NRivera637, "This tuner presents itself as an ATSC/QAM tuner. Each tuner thinks it's an ATSC/QAM tuner, runs as an ATSC tuner but searches for DVB-C frequencies. There is no DVB-C in North America therefore nothing will ever be found." [B][U]THE SOLUTION:[/U][/B] Create a DVB-C file containing ATSC frequencies! This fix should work with V1, V2 and possibly V3 tuners. I copied the frequencies from the C:\ProgramData\Team MediaPortal\MediaPortal TV Server\TuningParameters\atsc\QAM Standard.xml file into one of the \dvbc files (using it as a pattern and removing the extra entries of course). MediaPortal scans my channels just fine!!! I have Frontier (formerly Verizon FiOS) in the Tampa Bay area. NOTE: If I understand this correctly, this should work for any cable company in the USA because they all use these QAM256 frequencies. I used the ATSC frequencies from "QAM Standard". If you have "QAM Std Alternative", "QAM HRC", "QAM HRC+3" or "QAM IRC" channels you will have to make a separate file for the one you need using these same frequencies. 1. Install MediaPortal. 2. Copy the "USA.QAM Standard.xml" file into: C:\ProgramData\Team MediaPortal\MediaPortal TV Server\TuningParameters\dvbc 3. Run the "MediaPortal TV-Server Configuration". Under "TV Servers", select the "DVB-C Tuner for Windows Media Center", NOT the "ATSC BDA 2870 TVTuner". On the right side select "USA" and "QAM Standard". Click "Scan for channels".... The idea for this solution came from the .PDF file above, and from "mm1352000" in these threads: [URL]https://forum.team-mediaportal.com/threads/kworld-ub435-q-nemesis-long-unresolved-issue.121449/page-2[/URL] [URL='https://forum.team-mediaportal.com/threads/comcast-atsc-tuning-frequencies-houstn-texas-same-as-brighthouse-orlando-florida.125095/'][U][COLOR=#003737]https://forum.team-mediaportal.com/threads/comcast-atsc-tuning-frequencies-houstn-texas-same-as-brighthouse-orlando-florida.125095/[/COLOR][/U][/URL] My [B]Next PVR[/B] fix is in this thread: [URL]http://forums.nextpvr.com/showthread.php?58589-Kworld-ub435-q-tuner-fix!&highlight=ub435-q[/URL] My [B]Windows Media Center[/B] fix is also attached! [/QUOTE]

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